IBM 8671, eServer xSeries 235 Type 8671 Maintenance And Troubleshooting Manual

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ERserver

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xSeries 235 Type 8671

Hardware Maintenance Manual and Troubleshooting Guide

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xSeries 235 Type 8671

Hardware Maintenance Manual and Troubleshooting Guide

Note

Before using this information and the product it supports, read Appendix C, “Notices,” on page 205.

16th Edition (September 2005) The most recent version of this document is available on the World Wide Web at

US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.

About this manual

This manual contains diagnostic information, a Symptom-to-FRU index, service information, error codes, error messages, and configuration information for the IBM

Eserver

™

xSeries

Important: The field replaceable unit (FRU) procedures are intended for trained

servicers who are familiar with IBM xSeries products. See the parts listing in “System” on page 162 to determine if the component being replaced is a customer replaceable unit (CRU) or a FRU.

Important safety information

Be sure to read all caution and danger statements in this book before performing any of the instructions. See “Safety information” on page 169.

Leia todas as instruções de cuidado e perigo antes de executar qualquer operação.

Prenez connaissance de toutes les consignes de type Attention et Danger avant de procéder aux opérations décrites par les instructions.

Lesen Sie alle Sicherheitshinweise, bevor Sie eine Anweisung ausführen.

235.

Online support

Accertarsi di leggere tutti gli avvisi di attenzione e di pericolo prima di effettuare qualsiasi operazione.

Lea atentamente todas las declaraciones de precaución y peligro ante de llevar a cabo cualquier operación.

WARNING: Handling the cord on this product or cords associated with accessories

sold with this product, will expose you to lead, a chemical known to the State of California to cause cancer, and birth defects or other reproductive harm. Wash

hands after handling.

ADVERTENCIA: El contacto con el cable de este producto o con cables de

accesorios que se venden junto con este producto, pueden exponerle al plomo, un elemento químico que en el estado de California de los Estados Unidos está considerado como un causante de cancer y de defectos congénitos, además de otros riesgos reproductivos. Lávese las manos después de usar el producto.

You can download the most current diagnostic, BIOS flash, and device driver files from http://www.ibm.com/pc/support on the World Wide Web.

iv xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Contents

About this manual . . . . . . . . . . . . . . . . . . . . . . . iii

Important safety information . . . . . . . . . . . . . . . . . . . . iii

Online support . . . . . . . . . . . . . . . . . . . . . . . . . iii

Chapter 1. General information . . . . . . . . . . . . . . . . . . .1

Related publications . . . . . . . . . . . . . . . . . . . . . . .1

Notices and statements used in this book . . . . . . . . . . . . . . .2

Features and specifications . . . . . . . . . . . . . . . . . . . . .3

Server controls and indicators . . . . . . . . . . . . . . . . . . . .4

Front view . . . . . . . . . . . . . . . . . . . . . . . . . .4

Rear view . . . . . . . . . . . . . . . . . . . . . . . . . .6

Operator information panel . . . . . . . . . . . . . . . . . . . .7

Server power features . . . . . . . . . . . . . . . . . . . . . . .8

Turning on the server . . . . . . . . . . . . . . . . . . . . . .8

Turning off the server . . . . . . . . . . . . . . . . . . . . . .9

Standby mode . . . . . . . . . . . . . . . . . . . . . . . .9

IBM documentation CD . . . . . . . . . . . . . . . . . . . . . .10

System requirements . . . . . . . . . . . . . . . . . . . . .10

Starting the IBM Documentation Browser . . . . . . . . . . . . . .10

Using the IBM Documentation Browser . . . . . . . . . . . . . . .11

Using the search feature . . . . . . . . . . . . . . . . . . . .11

IBM Director . . . . . . . . . . . . . . . . . . . . . . . . . .11

Installing IBM Director updates . . . . . . . . . . . . . . . . . .12

UpdateXpress . . . . . . . . . . . . . . . . . . . . . . . . .13

Chapter 2. Configuration . . . . . . . . . . . . . . . . . . . . .15

Using the Configuration/Setup Utility program . . . . . . . . . . . . .15

Starting the Configuration/Setup Utility program . . . . . . . . . . . .15

Choices available from the Configuration/Setup main menu . . . . . . .16

Using passwords . . . . . . . . . . . . . . . . . . . . . . .19

Using the LSI Logic Configuration Utility program . . . . . . . . . . . .21

Starting the LSI Logic Configuration Utility program . . . . . . . . . .21

Formatting a SCSI hard disk drive . . . . . . . . . . . . . . . . .22

Using the ServerGuide Setup and Installation CD . . . . . . . . . . . .22

ServerGuide features . . . . . . . . . . . . . . . . . . . . .22

Setup and configuration overview . . . . . . . . . . . . . . . . .23

System Partition . . . . . . . . . . . . . . . . . . . . . . .24

Typical operating-system installation . . . . . . . . . . . . . . . .24

Setting up or updating multiple servers . . . . . . . . . . . . . . .25

Installing your operating system without ServerGuide . . . . . . . . . .25

Using ServeRAID Manager . . . . . . . . . . . . . . . . . . . .25

Configuring the Gigabit Ethernet controller . . . . . . . . . . . . . . .26

High-performance Ethernet modes . . . . . . . . . . . . . . . . .27

Ethernet port connector . . . . . . . . . . . . . . . . . . . . .27

Updating the integrated system management firmware . . . . . . . . . .27

Chapter 3. Diagnostics . . . . . . . . . . . . . . . . . . . . .29

General checkout . . . . . . . . . . . . . . . . . . . . . . . .29

Diagnostic tools overview . . . . . . . . . . . . . . . . . . . . .31

POST error logs . . . . . . . . . . . . . . . . . . . . . . . .31

Viewing error logs from the Configuration/Setup Utility program . . . . . .32

Viewing error logs from the diagnostic programs . . . . . . . . . . .32

ServerGuide error symptoms . . . . . . . . . . . . . . . . . . . .32

Small computer system interface messages . . . . . . . . . . . . . .33

Diagnostic programs and error messages . . . . . . . . . . . . . . .33

Text messages . . . . . . . . . . . . . . . . . . . . . . . .34

Starting the diagnostic programs . . . . . . . . . . . . . . . . .34

Diagnostic error message tables . . . . . . . . . . . . . . . . .35

Identifying problems using status LEDs . . . . . . . . . . . . . . . .36

LEDs for Active PCI slots . . . . . . . . . . . . . . . . . . . .36

Power-supply LEDs . . . . . . . . . . . . . . . . . . . . . .38

Light path diagnostics . . . . . . . . . . . . . . . . . . . . .38

Recovering the BIOS code . . . . . . . . . . . . . . . . . . . .40

Power checkout . . . . . . . . . . . . . . . . . . . . . . . .40

Troubleshooting the Ethernet controller . . . . . . . . . . . . . . . .41

Network connection problems . . . . . . . . . . . . . . . . . .41

Ethernet controller troubleshooting chart . . . . . . . . . . . . . .41

Ethernet controller messages . . . . . . . . . . . . . . . . . .43

Chapter 4. Customer replaceable units . . . . . . . . . . . . . . .45

Installation guidelines . . . . . . . . . . . . . . . . . . . . . .45

System reliability considerations . . . . . . . . . . . . . . . . .45

Working inside the server with the power on . . . . . . . . . . . . .46

Handling static-sensitive devices . . . . . . . . . . . . . . . . .46

Major components of the xSeries 235 Type 8671 server . . . . . . . . . .46

System-board component locations . . . . . . . . . . . . . . . . .48

System-board option connectors . . . . . . . . . . . . . . . . .48

System-board internal cable connectors . . . . . . . . . . . . . . .49

System-board external port connectors . . . . . . . . . . . . . . .50

System-board switches and jumpers . . . . . . . . . . . . . . . .51

System-board LED locations . . . . . . . . . . . . . . . . . . .53

Removing the server door (tower model) . . . . . . . . . . . . . . .54

Removing the server left-side cover and bezel (tower model) . . . . . . . .55

Removing the left-side cover . . . . . . . . . . . . . . . . . . .55

Removing the bezel . . . . . . . . . . . . . . . . . . . . . .56

Removing the server top cover and bezel (rack configuration) . . . . . . .57

Removing the top cover . . . . . . . . . . . . . . . . . . . .57

Removing the bezel . . . . . . . . . . . . . . . . . . . . . .58

Removing and installing the adapter-support bracket . . . . . . . . . . .58

Working with adapters . . . . . . . . . . . . . . . . . . . . . .60

Adapter considerations . . . . . . . . . . . . . . . . . . . . .60

Installing a hot-plug adapter (slots 5 and 6) . . . . . . . . . . . . .62

Installing a non-hot-plug adapter (any slot) . . . . . . . . . . . . . .64

Cabling example for a ServeRAID controller . . . . . . . . . . . . .66

Working with the 3-Pack Ultra320 Hot-Swap Expansion option . . . . . . .70

Installing the 3-Pack Ultra320 Hot-Swap Expansion option . . . . . . . . .71

Installing internal drives . . . . . . . . . . . . . . . . . . . . . .74

Internal drive bays . . . . . . . . . . . . . . . . . . . . . .75

Installing a hot-swap hard disk drive . . . . . . . . . . . . . . . .77

Installing a 5.25-inch removable-media drive . . . . . . . . . . . . .78

Memory technology transition . . . . . . . . . . . . . . . . . . .79

Installing memory modules . . . . . . . . . . . . . . . . . . . .80

Installing an additional microprocessor . . . . . . . . . . . . . . . .82

Replacing a hot-swap power supply . . . . . . . . . . . . . . . . .87

Installing a hot-swap power-supply option . . . . . . . . . . . . . . .90

Replacing a hot-swap fan . . . . . . . . . . . . . . . . . . . . .94

Replacing a front fan . . . . . . . . . . . . . . . . . . . . . .96

Replacing a center fan . . . . . . . . . . . . . . . . . . . . .96

Replacing a rear fan . . . . . . . . . . . . . . . . . . . . . .96

vi xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Replacing the battery . . . . . . . . . . . . . . . . . . . . . .97

Completing the installation . . . . . . . . . . . . . . . . . . . . .99

Installing the server bezel and left-side cover (tower model) . . . . . . . 100

Installing the server door (tower model) . . . . . . . . . . . . . . 102

Installing the server bezel and top cover (rack configuration) . . . . . . 103

Updating your server configuration . . . . . . . . . . . . . . . . 104

Connecting external options . . . . . . . . . . . . . . . . . . . . 104

Installing the external SCSI connector . . . . . . . . . . . . . . . 105

Installing the second serial connector . . . . . . . . . . . . . . . 105

Connecting an external device . . . . . . . . . . . . . . . . . . 106

Cabling the server . . . . . . . . . . . . . . . . . . . . . . . 106

Keyboard cabling . . . . . . . . . . . . . . . . . . . . . . 107

Pointing device cabling . . . . . . . . . . . . . . . . . . . . 107

Parallel port cabling . . . . . . . . . . . . . . . . . . . . . . 107

Serial cabling . . . . . . . . . . . . . . . . . . . . . . . . 107

Advanced System Management Interconnect cabling . . . . . . . . . 107

USB cabling . . . . . . . . . . . . . . . . . . . . . . . . 108

Video cabling . . . . . . . . . . . . . . . . . . . . . . . . 108

Gigabit Ethernet cabling . . . . . . . . . . . . . . . . . . . . 108

Power cabling . . . . . . . . . . . . . . . . . . . . . . . . 108

Installing the server in a rack . . . . . . . . . . . . . . . . . . . 108

Input/output connectors . . . . . . . . . . . . . . . . . . . . . 108

Parallel port . . . . . . . . . . . . . . . . . . . . . . . . 109

Video port . . . . . . . . . . . . . . . . . . . . . . . . .110

Keyboard port . . . . . . . . . . . . . . . . . . . . . . . .110

Auxiliary-device (pointing device) port . . . . . . . . . . . . . . .110

Ultra320 SCSI system-board connectors . . . . . . . . . . . . . .110

Serial ports . . . . . . . . . . . . . . . . . . . . . . . . .112

Universal Serial Bus version 1.1 ports . . . . . . . . . . . . . . .113

Gigabit Ethernet port . . . . . . . . . . . . . . . . . . . . .113

RS-485 (ASM interconnect) ports . . . . . . . . . . . . . . . . .114

Chapter 5. Service replaceable units . . . . . . . . . . . . . . . .115

Thermal grease . . . . . . . . . . . . . . . . . . . . . . . .115

System board . . . . . . . . . . . . . . . . . . . . . . . . .116

Microprocessor removal . . . . . . . . . . . . . . . . . . . . .117

Operator information panel . . . . . . . . . . . . . . . . . . . .119

Diskette drive . . . . . . . . . . . . . . . . . . . . . . . . . 121

DASD backplane . . . . . . . . . . . . . . . . . . . . . . . . 122

Power-supply (non-hot-swap) . . . . . . . . . . . . . . . . . . . 123

Front fan housing . . . . . . . . . . . . . . . . . . . . . . . 124

Hot-swap card . . . . . . . . . . . . . . . . . . . . . . . . . 125

Diagnostics panel card . . . . . . . . . . . . . . . . . . . . . 125

Power reset card . . . . . . . . . . . . . . . . . . . . . . . . 126

Chapter 6. Symptom-to-FRU index . . . . . . . . . . . . . . . . 129

Beep symptoms . . . . . . . . . . . . . . . . . . . . . . . . 129

No-beep symptoms . . . . . . . . . . . . . . . . . . . . . . . 132

Diagnostic panel system error LED . . . . . . . . . . . . . . . . . 132

Diagnostic error codes . . . . . . . . . . . . . . . . . . . . . 134

Error symptoms . . . . . . . . . . . . . . . . . . . . . . . . 139

Power-supply LED errors . . . . . . . . . . . . . . . . . . . . . 146

POST error codes . . . . . . . . . . . . . . . . . . . . . . . 147

Service processor error codes . . . . . . . . . . . . . . . . . . . 153

SCSI error codes . . . . . . . . . . . . . . . . . . . . . . . 153

Temperature error messages . . . . . . . . . . . . . . . . . . . 153

Contents vii

Fan error messages . . . . . . . . . . . . . . . . . . . . . . 154

Power error messages . . . . . . . . . . . . . . . . . . . . . 154

System shutdown . . . . . . . . . . . . . . . . . . . . . . . 155

Voltage related system shutdown . . . . . . . . . . . . . . . . . 155

Temperature related system shutdown . . . . . . . . . . . . . . . 156

DASD checkout . . . . . . . . . . . . . . . . . . . . . . . . 156

Host built-in self test (BIST) . . . . . . . . . . . . . . . . . . . . 156

Bus fault messages . . . . . . . . . . . . . . . . . . . . . . . 157

Undetermined problems . . . . . . . . . . . . . . . . . . . . . 157

Problem determination tips . . . . . . . . . . . . . . . . . . . . 158

Chapter 7. Parts listing for the xSeries 235 . . . . . . . . . . . . . 161

System . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

Keyboard CRUs . . . . . . . . . . . . . . . . . . . . . . . . 164

Power cord CRUs . . . . . . . . . . . . . . . . . . . . . . . 166

Appendix A. Getting help and technical assistance . . . . . . . . . . 167

Before you call . . . . . . . . . . . . . . . . . . . . . . . . 167

Using the documentation . . . . . . . . . . . . . . . . . . . . . 167

Getting help and information from the World Wide Web . . . . . . . . . 167

Software service and support . . . . . . . . . . . . . . . . . . . 168

Hardware service and support . . . . . . . . . . . . . . . . . . . 168

Appendix B. Related service information . . . . . . . . . . . . . . 169

Safety information . . . . . . . . . . . . . . . . . . . . . . . 169

General safety . . . . . . . . . . . . . . . . . . . . . . . 169

Electrical safety . . . . . . . . . . . . . . . . . . . . . . . 170

Safety inspection guide . . . . . . . . . . . . . . . . . . . . 171

Handling electrostatic discharge-sensitive devices . . . . . . . . . . 172

Grounding requirements . . . . . . . . . . . . . . . . . . . . 172

Safety notices (multilingual translations) . . . . . . . . . . . . . . 172

Appendix C. Notices . . . . . . . . . . . . . . . . . . . . . . 205

Edition notice . . . . . . . . . . . . . . . . . . . . . . . . . 205

Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 206

Important notes . . . . . . . . . . . . . . . . . . . . . . . . 206

Product recycling and disposal . . . . . . . . . . . . . . . . . . 207

Electronic emission notices . . . . . . . . . . . . . . . . . . . . 207

Federal Communications Commission (FCC) statement . . . . . . . . 207

Industry Canada Class A emission compliance statement . . . . . . . . 208

Australia and New Zealand Class A statement . . . . . . . . . . . . 208

United Kingdom telecommunications safety requirement . . . . . . . . 208

European Union EMC Directive conformance statement . . . . . . . . 208

Taiwanese Class A warning statement . . . . . . . . . . . . . . . 209

Chinese Class A warning statement . . . . . . . . . . . . . . . . 209

Japanese Voluntary Control Council for Interference (VCCI) statement 209

viii xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Chapter 1. General information

The IBM Eserver xSeries 235 Type 8671 is a high-performance server. It can be upgraded to a symmetric multiprocessing (SMP) server through a microprocessor upgrade. It is ideally suited for networking environments that require superior microprocessor performance, efficient memory management, flexibility, and large amounts of reliable data storage.

Performance, ease of use, reliability, and expansion capabilities were key considerations in the design of your server. These design features make it possible for you to customize the system hardware to meet your needs today and provide flexible expansion capabilities for the future.

This server contains IBM Enterprise X-Architecture increase performance and reliability.

You can obtain up-to-date information about your server and other IBM server products at http://www.ibm.com/eserver/xseries/ on the World Wide Web.

Note: The illustrations in this document might differ slightly from the hardware.

™

technologies, which help

Related publications

This Hardware Maintenance Manual and Troubleshooting Guide is provided in Portable Document Format (PDF) on the IBM xSeries Documentation CD. It contains information to help you solve the problem yourself or to provide helpful information to a service technician.

In addition to this Hardware Maintenance Manual and Troubleshooting Guide, the following xSeries 235 Type 8671 documentation is provided with your server:

v User’s Guide

The User’s Guide provides general information about the server, including

information about features, how to configure the server, how to use the

ServerGuide

v Installation Guide

This printed publication contains setup and installation instructions.

v Rack Installation Instructions

This printed publication contains the instructions to install your server in a rack.

v Safety Information Book

This multilingual publication is provided in PDF on the IBM xSeries

Documentation CD. It contains translated versions of the caution and danger

statements that appear in the documentation for your server. Each caution and

danger statement has an assigned number, which you can use to locate the

corresponding statement in your native language.

v Option Installation Guide

This publication is provided in PDF on the IBM xSeries Documentation CD. It

contains instructions to install, remove, and connect optional devices supported

by your server.

™

Setup and Installation CD, and how to get help.

Depending on your server model, additional publications might be included on the IBM xSeries Documentation CD.

Notices and statements used in this book

The caution and danger statements used in this book also appear in the multilingual

Safety Information book provided on the IBM xSeries Documentation CD. Each

caution and danger statement is numbered for easy reference to the corresponding statements in the safety book.

The following types of notices and statements are used in this book:

v Note: These notices provide important tips, guidance, or advice. v Important: These notices provide information or advice that might help you avoid

inconvenient or problem situations.

v Attention: These notices indicate possible damage to programs, devices, or

data. An attention notice is placed just before the instruction or situation in which damage could occur.

v Caution: These statements indicate situations that can be potentially hazardous

to you. A caution statement is placed just before the description of a potentially hazardous procedure step or situation.

v Danger: These statements indicate situations that can be potentially lethal or

extremely hazardous to you. A danger statement is placed just before the description of a potentially lethal or extremely hazardous procedure step or situation.

2 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Features and specifications

Table 1 provides a summary of the features and specifications for your server.

Note: Yo u can use the Configuration/Setup Utility program in your server to

determine the specific type of microprocessor on your system board.

Table 1. Features and specifications

Microprocessor:

™

v Intel

Xeon, 1.8 GHz or higher depending

on server model

v 512 KB (minimum) Level-2 cache v 400 MHz or 533 MHz front-side bus (FSB),

depending on server model

v Support for up to two microprocessors

Use the Configuration/Setup Utility

Note:

program to determine the specific type of microprocessor on the system board.

Memory:

v Standard: 256 MB or 512 MB, depending

on server model, expandable to 6 GB

v Type: 133 MHz/266 MHz registered ECC

double data rate SDRAM

v Sizes: 128 MB, 256 MB, 512 MB, or 1 GB,

in pairs

v Connectors: two-way interleaved, six dual

inline memory module (DIMM) connectors

v Maximum: Three pairs of DIMMs

Drives

standard:

v Diskette: 1.44 MB v CD-ROM: IDE

Expansion

bays:

v Six open hot-swap, slim-high, 3.5-inch

drive bays

v Three 5.25-inch bays (CD-ROM drive

installed in one bay)

v One 3.5-inch removable-media drive bay

(diskette drive installed)

PCI

expansion slots:

v Two Active PCI-X (hot-plug) 133

MHz/64-bit

v Three PCI-X non-hot-plug 100 MHz/64-bit v One PCI non-hot-plug, 33 MHz/32-bit

Upgradeable

microcode:

BIOS, diagnostics, and IBM integrated system management upgrades (when available) can update EEPROMs on the system board

Predictive Failure Analysis

(PFA) alerts:

v Power supplies v Fans v Memory v Hard disk drives v Microprocessors v Voltage regulator modules (VRMs)

Integrated functions:

v IBM integrated system management

processor (ISMP) – Service processor with light path

diagnostics – Interconnect port – Dedicated I/O port – Support for IBM Remote Supervisor

Adapter

v Broadcom 5703 10/100/1000 Ethernet

controller (one port, controller on system board)

v One serial port v One parallel port v Two internal Ultra320 SCSI ports

(dual-channel integrated SCSI controller with RAID capabilities on the system board)

v Three Universal Serial Bus (USB) v1.1 ports

(one on the front and two on the rear of the enclosure)

v Keyboard port v Mouse port v ATI Rage XL video (controller on system

board) – Compatible with SVGA and VGA – 8 MB video memory

Security

v Door and side cover lock v Power-on and administrator passwords v Remote-control security settings v Selectable drive startup v Keyboard password v System-management security

– User login password – Read-only or read/write access – Dial-in call-back

Power supplies:

v Hot-swap (some models)

– Standard: Two 560 watts (115-230 V ac)

for redundancy – Redundant/nonredundant indicator on

diagnostic LED panel

Non-hot-swap (some models)

– Standard: One 560 watts (115-230 V ac) – Upgradeable to two hot-swap power

supplies

Acoustical

v Sound power, idle: 6.3 bel maximum v Sound power, operating: 6.3 bel maximum v Sound pressure, idle: 48 dBa maximum v Sound pressure, operating: 48 dBa maximum

features:

noise emissions:

Redundant cooling:

Six hot-swap fans

Electrical input:

v Sine-wave input (50-60 Hz) required v Input voltage range automatically selected v Input voltage low range:

– Minimum: 90 V ac – Maximum: 137 V ac

Input voltage high range:

– Minimum: 180 V ac – Maximum: 265 V ac

v Input kilovolt-amperes (kVA) approximately:

– Minimum: 0.1 kVA – Maximum: 0.8 kVA

Power

available for drives:

v +5 V dc v +12 V dc

Heat

output:

Approximate heat output in British thermal units (Btu) per hour

v Minimum configuration: 341 Btu (100 watts/hour) v Maximum configuration: 2600 Btu (760 watts/hour)

Environment:

v Air temperature:

– Server on: 10° to 35°C (50° to 95°F)

Altitude: 0 to 2134 m (7000 ft)

– Server off: -40° to +60°C (-40° to 140°F)

Maximum altitude: 2133 m (7000 ft)

Humidity:

– Server on: 8% to 80% – Server off: 8% to 80%

Size

(tower model):

v Height: 440 mm (17.3 in.) v Depth: 700 mm (27.5 in.) v Width: 221 mm (8.7 in.) v Weight: 33.5 kg (74 lb) to 45.8 kg (101 lb)

depending upon configuration

Size

(5 U) (rack configuration):

v Height: 216 mm (8.5 in.) v Depth: 674 mm (26.5 in.) v Width: 440 mm (17.3 in.) v Weight: 33.5 kg (74 lb) to 45.8 kg (101 lb)

depending upon configuration

Chapter 1. General information 3

Server controls and indicators

This section identifies the controls and indicators on the front and rear of your server.

Note: The illustrations in this document might differ slightly from your hardware.

Front view

Tower model

CD-eject button

CD-ROM drive activity LED (green)

Operator information panel

USB 3 connector

Disketteeject button

Power-control

button shield

(if installed)

Power-control

button

Reset

button

Cover-

release

latch

Model type/serial

number

Rack configuration

Power-control

button shield

(if installed)

Power-control

button

Reset button

Operator information panel

Coverrelease latch

CD-ROM drive activity LED (green)

Diskette drive activity LED

Hard disk drive status LED (amber)

Hard disk drive activity LED (green)

CD-eject button

Hard disk drive activity LED (green)

Operator information panel: The LEDs on this panel give status information for

your server. See “Operator information panel” on page 7 for more information.

USB 3 connector: This is the front USB connector. Two additional USB connectors

are on the rear of the server.

Diskette-eject button: Press this button to release a diskette from the drive.

4 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Hard disk drive status LED (amber)

Diskette drive activity LED (green)

Diskette-eject button

USB 3 connector

Model type/serial number

Diskette-drive activity LED: When this LED is on, it indicates that the diskette

drive is in use.

Hard disk drive activity LED: Each hot-swap drive has a hard disk drive activity

LED. When this green LED is flashing, the drive is being accessed.

Hard disk drive status LED: Each hot-swap drive has a hard disk drive status

LED. When this amber LED is on continuously, the drive has failed. If an optional IBM ServeRAID

™

controller is installed in the server, when the LED flashes slowly (one flash per second), the drive is being rebuilt. When the LED flashes rapidly (three flashes per second), the controller is identifying the drive.

Model type/serial number: The model type identifies your server model. The serial

number uniquely identifies your server.

Cover-release latch: Slide this latch to release the cover.

Reset button: Press this button to reset the server and run POST.

Power-control button: Press this button to manually turn on the server or put the

server in Standby mode (see “Server power features” on page 8).

Power-control button shield: You can install this circular disk over the

power-control button to prevent accidental manual power-off. This disk is provided with your server.

CD-ROM drive activity LED: When this LED is on, it indicates that the CD-ROM

drive is in use.

CD-eject button: Press this button to release a CD from the drive.

Chapter 1. General information 5

Rear view

This section identifies the indicators on the rear of your server. The following illustrations contain most of these indicators. More information is available at “Working with adapters” on page 60 and “Input/output connectors” on page 108.

Server with fixed power supply

Fan 1 LED

Fan 2 LED

AC power LED (green)

DC power LED (green)

Ethernet link status LED

PCI-X slot 5 attention LED

PCI-X slot 6 attention LED

NMI button

(service use only)

Server with hot-swap power supplies

Fan 1 LED

Power supply 1

AC power LED (green)

DC power LED (green)

Power supply 2

AC power LED (green)

DC power LED (green)

NMI button

(service use only)

Fan 2 LED

Ethernet link status LED

PCI-X slot 5 attention LED

PCI-X slot 6 attention LED

Fans 1 and 2 LEDs: These LEDs provide status information about rear fans 1 and

2. For additional information, see “Light path diagnostics” on page 38.

Ethernet link status LED: This LED is on the Ethernet connector. When this LED

is on, there is an active connection on the Ethernet port.

PCI-X slot attention LED: This green LED flashes approximately once per second

when it is on. This LED is visible from the rear of the server and from inside the

6 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

server. The meaning of the attention LED is defined by your operating system. For an illustration showing this LED on the system board, see “LEDs for Active PCI slots” on page 36.

NMI button: The Non-Maskable Interrupt (NMI) button is for service use only.

DC power LED: This green LED provides status information about the power

supply. During typical operation, both the ac and dc power LEDs are on. For any other combination of LEDs, see “Power-supply LED errors” on page 146.

AC power LED: This green LED provides status information about the power

supply. During typical operation, both the ac and dc power LEDs are on. For any other combination of LEDs, see “Power-supply LED errors” on page 146.

Operator information panel

The following illustration shows the status LEDs on the operator information panel on the front of the server.

Power-on LED

POSTcomplete LED

Hard disk drive activity LED

Ethernet transmit/ receive activity LED

Information LED

Systemerror LED

Important: If the power-on LED is off, it does not mean there is no electrical

current present in the server. The LED might be burned out. To remove all electrical current from the server, you must unplug the server power cords from the electrical outlets or from the uninterruptible power device.

Power-on LED: When this green LED is on, power is present in the server.

When this LED flashes, the server is in Standby mode (the system operating system is turned off and ac current is present). When this LED is off, the power subsystem, the ac power, or an LED has failed.

POST-complete LED: This green LED is on when POST is completed without

any errors.

Hard disk drive activity LED: This green LED flickers when there is activity on

a hard disk drive.

Information LED: When this amber LED is on, the server power supplies are

nonredundant, or some other noncritical event has occurred. The event is recorded in the Error log. See “Viewing error logs from the Configuration/Setup Utility program” on page 32 for instructions for viewing the Error log. Check the diagnostic LED panel for more detailed information (see “Diagnostic panel system error LED” on page 132.

System-error LED: This amber LED is on when a system error occurs. An LED

on the diagnostic LED panel will also be on to further isolate the error. (For more information, see “Diagnostic panel system error LED” on page 132.)

Ethernet transmit/receive activity LED: When this green LED is on, there is

activity between the server and the network.

Chapter 1. General information 7

Server power features

This section contains information about how to properly turn your server on and off.

Turning on the server

Turning on the server refers to the act of plugging the power cords of your server into the power source and starting the operating system.

You can turn on the server in any of the following ways:

v If the power cords are connected to a power source, you can press the

power-control button on the front of the server.

Notes:

1. You can install a circular disk over the power-control button to prevent

accidental manual power-off. This disk, known as the power-control button shield, comes with your server.

2. After you plug the power cords of your server into the electrical outlets, wait

approximately 20 seconds before pressing the power-control button. During this time, the system-management adapter is initializing; therefore, the power-control button does not respond.

If the server is turned on and a power failure occurs, the server will restart

automatically when power is restored.

v If ac power is present, the server is in Standby mode, and the server is

connected to an ASM interconnect network which contains at least one system with an optional Remote Supervisor Adapter installed, the server can be turned on from the Remote Supervisor Adapter user interface.

v If ac power is present, the server is in Standby mode, and an optional Remote

Supervisor Adapter is installed in the server, the server can be turned on from the Remote Supervisor Adapter user interface.

v When you plug in your server for the first time, Wake on LAN

server.

v If your server was previously turned on, it must be properly placed in Standby

mode for the Wake on LAN feature to turn on the server.

can turn on the

8 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Complete the following steps to manually turn on the server:

1. Review the information in “Safety information” on page 169.

2. Turn on all external devices, such as the monitor.

3. Plug the server power cords into the power source.

4. Press the power-control button on the front of the server.

Note: While the server is powering up, the power-on LED on the front of the

Turning off the server

Turning off the server refers to the act of disconnecting the server from the power source.

Complete the following steps to manually turn off the server:

1. Review the information in “Safety information” on page 169.

2. See your operating system documentation for the proper procedure to shut

down the operating system.

server is lit.

Statement 5

CAUTION: The power control button on the device and the power switch on the power supply do not turn off the electrical current supplied to the device. The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source.

2 1

3. Press the power-control button on the front of the server. This will put the server

in Standby mode.

Note: Yo u might need to press and hold the power-control button for more than

4 seconds to cause an immediate shutdown of the server and to force it into Standby mode. You can use this feature if the operating system stops functioning.

4. Disconnect the server from the power source.

Note: After disconnecting all the power cords, wait approximately 15 seconds

for your system to stop running. Watch for the power-on LED on the front of the server to stop flashing.

Standby mode

Standby mode refers to the condition in which the server is connected to an ac power source but the server operating system is not running and all core logic is shut down except for the service processor. In Standby mode, the server can respond to service processor requests, such as a remote request to turn on the server. When the server is in Standby mode, the power-on LED on the front of the server flashes (when the server is running, the power-on LED stays on and does not flash).

Chapter 1. General information 9

You can put the server in Standby mode in any of the following ways:

v You can press the power-control button on the server. This starts an orderly

shutdown of the operating system, if this feature is supported by your operating system.

v If the server is connected to an ASM interconnect network which contains at least

one system with an optional Remote Supervisor Adapter installed, the server can be placed in Standby mode from the Remote Supervisor Adapter user interface.

v If an optional Remote Supervisor Adapter is installed in the server, the server can

be placed in Standby mode from the Remote Supervisor Adapter user interface.

Attention: You must disconnect all the server power cords from the electrical

outlets to remove all power from the server.

Complete

the following steps to put the server into Standby mode:

1. See the operating system documentation for the proper procedure to shut down the operating system.

Note: Each operating system is different. Read all the documentation about

2. Press the power-control button on the front of the server.

Notes:

a. After you place the server in Standby mode, wait at least 5 seconds before

you turn on the server again.

b. You might need to press and hold the power-control button for more than 4

seconds to cause an immediate shutdown of the operating system and to force it into Standby mode. Yo u can use this feature if the operating system stops functioning.

ISMP can put the server in Standby mode as an automatic response to a

The critical system failure. You can also put the server into Standby mode remotely by means of an optional Remote Supervisor Adapter or through connection to an ASM interconnect network.

IBM documentation CD

Your server comes with a documentation CD, which contains documentation for your server in Portable Document Format (PDF) and includes the IBM Documentation Browser to help you find information quickly.

shutting down the operating system before continuing.

System requirements

To run the documentation CD, your system must have the following minimum hardware and software:

v Microsoft

Windows 2000.

v 100 MHz Intel Pentium v 32 MB RAM. v Adobe Acrobat Reader 3.0 or later. Adobe Acrobat Reader software is included

on the documentation CD, and you can install it when you run the IBM Documentation Browser.

Starting the IBM Documentation Browser

Use one of the following procedures to start the Documentation Browser:

10 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Windows NT

4.0 (with Service Pack 3 or later), Windows

microprocessor.

98, or

v If Autostart is enabled, insert the documentation CD into your CD-ROM drive.

The Documentation Browser will start automatically.

v If Autostart is disabled, insert the documentation CD into your CD-ROM drive;

then, click Start --> Run. In the Open field, type

e:\win32.bat

where e is the drive letter of your CD-ROM drive, and click OK.

Using the IBM Documentation Browser

Use the IBM Documentation Browser to browse the contents of the documentation CD, select from a list of available topics, see brief descriptions of the selected topics, and view selected topics using Adobe Acrobat Reader. The Documentation Browser automatically detects the regional settings in use on your system and presents the information in the language for that region (if available). If a topic is not available in the language for that region, the English version is displayed.

Click Help for detailed information about using the IBM Documentation Browser.

Complete the following steps to use the Documentation Browser:

1. Select your product from the Product drop-down list. The Topics list appears. It lists all topics that pertain to the selected product.

Topics are in folders or under other topics. A plus sign (+) appears beside each folder or topic that has additional topics under it. Click the plus sign to display the additional topics.

2. Click a topic to select it. When you select a topic, a description of the topic contents appears in the

Description field.

Note: To select multiple topics, press and hold down the Ctrl key while

selecting your topics.

3. View selected topics. Click View Book. Adobe Acrobat Reader starts, and the selected topics are

displayed.

Using the search feature

Complete the following steps to use the Documentation Browser search feature:

1. Type a key word in the Search field.

2. Click Search. The topics containing the search word are listed in order based on the number of occurrences.

3. Click a file to open it.

4. Press Ctrl+F and use the Adobe Acrobat search function to search within the file.

IBM Director

With IBM Director, a network administrator can:

v View the hardware configuration of remote systems, in detail v Monitor the usage and performance of critical components, such as

microprocessors, disks, and memory

v Centrally manage individual or large groups of IBM and non-IBM Intel-based

servers, desktop computers, workstations, and mobile computers on a variety of platforms

Chapter 1. General information 11

IBM Director provides a comprehensive entry-level workgroup hardware manager. Key features include:

v Advanced self-management capabilities for maximum system availability v Multiple operating-system platform support, including Microsoft Windows 98,

Windows NT, Windows 2000, Windows XP Professional, Novell NetWare, IBM OS/2®, SCO UnixWare, Linux®, and Caldera OpenUNIX

v Support for IBM and non-IBM servers, desktop computers, workstations, and

mobile computers

v Support for systems-management industry standards v Integration into leading workgroup and enterprise systems-management

environments

v Ease of use, training, and setup

Director also provides an extensible platform that supports advanced server

IBM tools that are designed to reduce the total cost of managing and supporting networked systems. By deploying IBM Director, you can achieve reductions in ownership costs through:

v Reduced downtime v Increased productivity of IT personnel and users v Reduced service and support costs

more information about IBM Director, see the IBM Director CD that comes with

For your server, the IBM Director publications on the CD, and the following Web pages:

Systems Management - Director Package

http://www.ibm.com/pc/qtechinfo/MIGR-40738.html This Web page includes links to software downloads and publications for

the latest release of IBM Director.

IBM xSeries Systems Management page

http://www.ibm.com/pc/ww/eserver/xseries/systems_management/index.html This Web page presents an overview of IBM Systems Management and

IBM Director.

IBM Universal Manageability page

http://www.ibm.com/pc/us/pc/um/index.html This Web page links to an IBM portfolio of advanced management tools

that help reduce costs and increase availability throughout the life cycle of a product.

Installing IBM Director updates

If you plan to use IBM Director to manage your server, you must install the applicable IBM Director updates, which could include a Service Pack for your release of IBM Director, individual emergency fixes (eFixes), and a Director System Support Package (DSSP) for this server.

Note: For Automatic Server Restart (ASR) support and environmental-sensor

support, you must install version 4.1 of IBM Director.

To install the IBM Director updates, complete the following steps, in order:

1. If you plan to enable the Automatic Server Restart (ASR) feature, install the ASR device driver, which is available from the IBM Web site:

a. Go to the IBM Web site at http://www.ibm.com.

12 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

b. Click Support & downloads. c. In the Technical support keyword search field, type Advanced System

Management 8647 and click Go.

d. From the next page, click IBM Advanced System Management Device

Driver Diskette for Microsoft Windows 2000 and Windows NT 4.0 Version 2.07 (or a later version, if it is available).

e. From the next page, download the executable file and follow the instructions

in the readme file to install the device driver.

Install the IBM Director application.

3. If the IBM Director CD that comes with your server includes the IBM Director Service Pack, install the Service Pack. If the CD does not contain the Service Pack, check the IBM Web site to see if a Service Pack is available. If it is, download and install the Service Pack according to the instructions in its readme file.

4. Install any applicable eFixes, DSSPs, and additional updates for your server from the IBM Web site.

UpdateXpress

Complete

the following steps to obtain and install eFixes, DSSPs, or other updates:

1. Go to the IBM Web site at http://www.ibm.com.

2. Click Support & downloads.

3. In the Technical support keyword search field, type Director 8647 and click Go.

4. From the next page, click the eFix, DSSP, or update that you want to download.

5. From the next page, download the executable file and follow the instructions in the readme file to install the update.

The UpdateXpress program is available for most xSeries servers and server options. It detects supported and installed device drivers and firmware in your server and installs available updates. Yo u can download the UpdateXpress program from the Web at no additional cost, or you can purchase it on a CD. To download the program or purchase the CD, go to http://www.ibm.com/pc/ww/eserver/xseries/serverguide/xpress.html.

Chapter 1. General information 13

14 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Chapter 2. Configuration

The following configuration programs are provided with your server:

v Configuration/Setup Utility

This program is part of the basic input/output system (BIOS) code that comes with your server. Yo u can use this program to configure serial and parallel port assignments, change interrupt request (IRQ) settings, change the drive startup sequence, set the date and time, and set passwords. You also can use this program to view the system configuration settings, for example, the number and type of installed microprocessors, the amount of installed memory, or the BIOS diagnostics version level. See “Using the Configuration/Setup Utility program” for more information.

v LSI Logic Configuration Utility

With the built-in LSI Logic Configuration Utility program, you can configure the integrated SCSI controller and the devices that are attached to it. See “Using the LSI Logic Configuration Utility program” on page 21.

v ServeRAID Manager

The ServeRAID programs come with your server. If your server has a ServeRAID controller installed, or if you are using the integrated SCSI controller with RAID capabilities as a RAID controller, you must use the ServeRAID Manager program to define and configure your disk-array subsystem before you install your operating system. See “Using ServeRAID Manager” on page 25 for more information.

v ServerGuide Setup and Installation CD

The ServerGuide Setup and Installation CD provides software setup tools and installation tools that are designed for your IBM server. Use this CD during the initial installation of your server to configure basic hardware features, such as an integrated SCSI controller with RAID capabilities, and to simplify your operating system installation. See “Using the ServerGuide Setup and Installation CD” on page 22.

v Ethernet controller configuration process

To configure the integrated Ethernet controller, see “Configuring the Gigabit Ethernet controller” on page 26.

v Integrated System Management update and configuration

To update the integrated system management (ISM) firmware, see “Updating the integrated system management firmware” on page 27.

Using the Configuration/Setup Utility program

This section provides instructions to start the Configuration/Setup Utility program and descriptions of the available menu choices.

Starting the Configuration/Setup Utility program

To start the Configuration/Setup Utility program:

1. Turn on the server and watch the monitor screen.

2. When the message Press F1 for Configuration/Setup appears, press F1.

Note: If you have set both levels of passwords (power-on and administrator),

you must type the administrator password to access the full Configuration/Setup Utility menu. Without the administrator password, limited Configuration/Setup Utility program functions are available.

3. Follow the instructions that appear on the screen.

Choices available from the Configuration/Setup main menu

From the Configuration/Setup Utility main menu, you can select settings that you want to view or change. The Configuration/Setup Utility main menu is similar to the following.

IBM Setup - (c) Copyright IBM Corporation 2002

Configuration/Setup Utility

System Summary System Information Devices and I/O Ports Date and Time System Security Start Options Advanced Setup Error Logs

Save Settings Restore Settings Load Default Settings

Exit Setup

<F1> Help < > < > Move <Esc> Exit <Enter> Select

Notes:

1. You can press F1 to display help information for a selected menu item.

2. The choices on some menus might differ slightly, depending on the BIOS version in your server.

Descriptions of the choices available from the main menu are:

v System Summary

Select this choice to display configuration information. This includes the type, speed, and cache sizes of the microprocessors and the amount of memory installed.

Changes that you make to configuration settings appear on this summary screen. You cannot edit the fields.

This choice appears on both the full and limited Configuration/Setup Utility menus.

v System Information

Select this choice to display information about your server. Changes that you make on other menus might appear on this summary screen. You cannot edit any fields. The System Information choice appears only on the full Configuration/Setup Utility main menu.

– Product Data

Select this choice to view system information, such as the machine type and model, the server serial number, and the revision level or issue date of the BIOS and diagnostics code stored in the electrically erasable programmable ROM (EEPROM).

Devices and I/O Ports

Select this choice to view or change the assignments for devices and input/output (I/O) ports. This choice appears only on the full Configuration/Setup Utility main menu.

16 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

You can use this choice also to enable or disable the integrated SCSI controller with RAID capabilities and Ethernet controllers, and all standard ports (serial, parallel, and so on).

– The default setting is Enable for all the controllers. If you select Disable, the

system will not configure the disabled device and the operating system will not detect the device. (This is equivalent to unplugging the device.)

– If the integrated SCSI controller with RAID capabilities is disabled and no

SCSI adapter is installed, the server will have no SCSI capability.

– If the on-board Ethernet controller is disabled and no Ethernet adapter is

installed, the server will have no Ethernet capability.

Date and Time

Select this choice to set the system date and time. This choice appears only on the full Configuration/Setup Utility main menu.

The system time is in a 24-hour format (hour:minute:second).

v System Security

Select this choice to set passwords or the Remote Control Security settings. This choice appears only on the full Configuration/Setup Utility main menu.

You can implement two levels of password protection: – Power-on Password

Select this choice to set or change a power-on password. See “Using passwords” on page 19 for more information.

– Administrator Password

Attention: If an administrator password is set and then forgotten, it cannot be

overridden or removed. You must replace the system board.

Note: This choice is available on the Configuration/Setup Utility menu only if

the optional IBM Remote Supervisor Adapter is installed in your server. Select this choice to set or change an administrator password. The administrator password provides access to all choices on the

Configuration/Setup Utility main menu. You can set, change, or delete both the administrator and power-on passwords and allow a power-on password to be changed by the user.

See “Using passwords” on page 19 for more information.

v Start Options

Select this choice to view or change the start options. This choice appears only on the full Configuration/Setup Utility main menu. Start options take effect when you start your server.

You can select keyboard operating characteristics, such as the keyboard speed. You also can specify whether the keyboard number lock starts on or off. You also can enable the server to run without a diskette drive, monitor, or keyboard.

The server uses a startup sequence to determine the device from which the operating system is loaded. For example, you can define a startup sequence that checks for a startable diskette in the diskette drive, then checks the hard disk drive in bay 0, and then checks a network adapter.

If your server contains Wake on LAN hardware and software and your operating system supports Wake on LAN functions, you can also define a startup sequence for the Wake on LAN functions.

Chapter 2. Configuration 17

If the Boot Fail Count choice is enabled, you can restore the BIOS system defaults after three consecutive boot failures. If this choice is disabled, the BIOS system defaults can be loaded only from the Configuration/Setup Utility main menu.

You also can select whether the integrated SCSI controller with RAID capabilities or a PCI SCSI adapter is given boot precedence. Select Planar SCSI to give the integrated SCSI controller with RAID capabilities boot precedence. If a PCI SCSI adapter is to be given boot precedence, select the slot number where this adapter is installed.

You can enable a virus-detection test that checks for changes in the master boot record at startup.

v Advanced Setup

Select this choice to change values for advanced hardware features, such as cache control, and PCI configuration. This choice appears only on the full Configuration/Setup Utility main menu.

A warning message appears above the choices on this menu to alert you that the system might malfunction if these options are configured incorrectly. Follow the instructions on the screen carefully.

– System Partition Visibility

Select this choice to indicate whether the System Partition is visible. To make the System Partition visible, set this choice to Visible. To make the System Partition invisible, set this choice to Hidden. See “Using the ServerGuide Setup and Installation CD” on page 22 for additional information about the System Partition.

– Memory Settings

Select this choice to manually enable a pair of memory connectors. If a memory error is detected during POST or memory configuration, the

server will automatically disable the failing pair of memory connectors and continue operating with reduced memory capacity. If this occurs, you must manually enable the set of memory connectors after the problem is corrected. Select Memory Settings from the Advanced Setup menu, and use the arrow keys to highlight the pair of memory connectors that you want to enable; then, use the arrow keys to select Enable.

– CPU Options

Select this choice to indicate whether the microprocessor serial number in the microprocessor is readable or to set the microprocessor cache mode to disabled, write-back, or write-through. Selecting write-back mode will provide better system performance.

– PCI Bus Control

Select this choice to view and set interrupts for PCI devices and to configure the master latency timer value for the server.

– Integrated System Management Processor Settings

You can view and enable or disable the Reboot on System NMI setting on this menu. If this setting is enabled, the server will automatically restart 60 seconds after the service processor issues an Non-maskable interrupt (NMI) to the server. If this setting is disabled, the server will not restart. The default value is Enable.

Error Logs

Select this choice to view or clear error logs. – Select POST Error Log to view the three most recent error codes and

messages that the system generated during POST.

18 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Select Clear event/error logs from the POST Error Log menu to clear the POST Error Log.

– Select System Event/Error Log to view the System Event/Error Log. The

System Event/Error Log contains all the system error and warning messages that the system has generated. Yo u can use the arrow keys to move between pages in the System Event/Error Log.

Select Clear event/error logs from the System Event/Error Log menu to clear the System Event/Error Log.

v Save Settings

Select this choice to save your customized settings.

v Restore Settings

Select this choice to delete your changes.

v Load Default Settings

Select this choice to cancel your changes.

v Exit Setup

If you have made any changes and not saved them, the program will prompt you to save the changes or exit without saving the changes.

Additional Configuration/Setup Utility menu choices

When you install an IBM Remote Supervisor Adapter in your server, you can view additional menu choices in the Configuration/Setup Utility program, such as:

v System Card Data

Select this choice to display information about your server.

v PCI Slot/Device Information

Select this choice to view the properties of adapters installed in PCI slots.

v Administrator Password

Select this choice to set or change the administrator password.

v Remote Control Security Settings

Select this choice to set a remote-control password. When you set a remote-control password, you can also set the number of failed attempts to enter the correct remote-control password, and the duration before another attempt is allowed.

For a list of supported options for your server, go to http://www.ibm.com/pc/us/compat/ on the World Wide Web. To order an optional Remote Supervisor Adapter, contact your IBM Reseller or an IBM marketing representative.

Using passwords

The System Security choice appears only on the full Configuration/Setup Utility menu. After you select this choice, you can implement two levels of password protection: power-on password and administrator password. The administrator password is available only if the optional IBM Remote Supervisor Adapter is installed in your server.

Power-on password

After you set a power-on password, you can enable the Unattended Start mode. This locks the keyboard and mouse but enables the operating system to start. The keyboard and mouse remain locked until you type the correct password.

Chapter 2. Configuration 19

You can use any combination of up to seven characters (A–Z, a–z, and 0–9) for your power-on password. Keep a record of your password in a secure place. When a power-on password is set, POST is not completed until you type the password. If you forget the power-on password, you can regain access to the server through one of the following methods:

v If an administrator password is set, type the administrator password at the

power-on prompt. (If necessary, see “Administrator password” for details.) Start the Configuration/Setup Utility program and change the power-on password.

v Remove the battery and then reinstall the battery (see “Replacing the battery” on

page 97).

v Change the position of the power-on password override switch (switch 6 on

switch block 1) as described below to bypass the power-on password check. You can then start the Configuration/Setup Utility program and change the power-on password.

Notes:

1. Before changing any switch settings or moving any jumpers, turn off the server; then, disconnect all power cords and external cables.

2. Any system-board switch or jumper blocks that are not shown in the illustrations in this book are reserved.

Power-on

password override (switch 6)

Changing the position of this switch bypasses the power-on password check the next time the server is powered on. You do not need to move the switch back after the password is overridden. The default position is Off. To bypass the power-on password check, move the switch to the opposite position. Changing the position of this switch does not affect the administrator password check if an administrator password is set.

Administrator password

Select this choice to set an administrator password. The administrator password provides access to all choices on the Configuration/Setup Utility main menu. Yo u can set, change, or delete both the administrator and power-on passwords and allow a power-on password to be changed by the user. Yo u can use any combination of up to seven characters (A–Z, a–z, and 0–9) for your administrator password. Keep a record of your password in a secure place. The administrator password is available only if the optional IBM Remote Supervisor Adapter is installed in your server.

Attention: If an administrator password is set and then forgotten, it cannot be

overridden or removed. You must replace the system board.

The following table provides a summary of the password features.

Table 2. Power-on and administrator password features

Type of password Features

Power-on password v Type the password to complete the system startup.

v All choices are available on the Configuration/Setup Utility main

menu.

Administrator password v No password is required to complete the system startup.

v Type the password to access the Configuration/Setup Utility

program.

v All choices are available on the Configuration/Setup Utility main

menu.

20 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Table 2. Power-on and administrator password features (continued)

Type of password Features

Administrator and power-on password

v Yo u can type either password to complete the system startup. v The administrator password provides access to all choices on

the Configuration/Setup Utility main menu. Yo u can set, change, or delete both the administrator and power-on passwords and allow a power-on password to be changed by the user.

v The power-on password provides access to a limited set of

choices on the Configuration/Setup Utility main menu. This limited access might include changing or deleting the power-on password.

Using the LSI Logic Configuration Utility program

LSI Logic Configuration is a built-in, menu-driven configuration utility program that you can use to:

v Perform a low-level format of a SCSI hard disk drive v Set a SCSI device scan order v Set a SCSI ID for a controller

Notes:

1. The integrated SCSI controller with RAID capabilities in your server supports only RAID level-1. Installing an optional ServeRAID-5i controller provides additional RAID levels. However, if a ServeRAID-5i controller is installed and later removed, you must re-enable the on-board SCSI controller in using the Configuration/Setup Utility program (see “Starting the Configuration/Setup Utility program” on page 15). See “Using ServeRAID Manager” on page 25 for information on configuring your server for RAID operation.

2. If you install a different type of RAID adapter in your server, use the configuration method supplied with the RAID adapter to view or change SCSI settings for attached devices.

The following sections provide the instructions needed to start the LSI Logic Configuration Utility program and to format a SCSI hard disk drive.

Starting the LSI Logic Configuration Utility program

Complete the following steps to start the LSI Logic Configuration Utility program:

1. Turn on the server.

2. When the <<< Press <CTRL><C> to start LSI Logic Configuration Utility

>>> prompt appears, press Ctrl+C.

Note: If an administrator password has been set, you are prompted to type the

password to start the LSI Logic Configuration Utility program.

3. Use the arrow keys to select a controller (channel) from the list of adapters; then, press Enter.

4. Follow the instructions on the resulting screen to change the settings of the selected items; then, press Enter. The Device Properties and Mirroring

Properties choices produce additional screens of parameters to review or

change.

Chapter 2. Configuration 21

Formatting a SCSI hard disk drive

You can use the LSI Logic Configuration Utility program to perform a low-level format on a SCSI hard disk drive. Complete the following steps to format a drive:

1. Select the controller channel for the drive to format from the list of adapters.

2. Select Device Properties from the resulting screen.

3. Use the arrow keys (↑ or ↓) to highlight the drive to format.

4. Use the arrow keys (← or →) or the End key to scroll to the right.

5. Highlight the Format item; then, press Enter to begin the low-level formatting

operation.

Using the ServerGuide Setup and Installation CD

The ServerGuide Setup and Installation CD includes an easy-to-use setup and installation program that is designed for your IBM server. The ServerGuide program detects the server model and hardware options that are installed and uses that information during setup to configure the hardware. The ServerGuide program simplifies operating-system installations by providing updated device drivers and, in some cases, installing them automatically.

If a later version of the ServerGuide program is available, you can download a free image of the ServerGuide Setup and Installation CD, or you can purchase the CD. To download the image, go to the IBM ServerGuide Web page at http://www.ibm.com/pc/qtechinfo/MIGR-4ZKPPT.html. To purchase the latest

ServerGuide Setup and Installation CD, go to the ServerGuide fulfillment Web site

at http://www.ibm.com/pc/coupon/.

The ServerGuide program has the following features to make setup easier:

v An easy-to-use interface with online help v Diskette-free setup, and configuration programs that are based on detected

hardware

v ServeRAID Manager program, which configures your ServeRAID adapter or

integrated SCSI controller with RAID capabilities

v A system BIOS code update program, which updates the BIOS code directly from

the CD

v Device drivers that are provided for your server model and detected hardware v Operating-system partition size and file-system type that are selectable during

setup

ServerGuide features

Features and functions can vary slightly with different versions of the ServerGuide program. To learn more about the version that you have, start the ServerGuide

Setup and Installation CD and view the online overview. Not all features are

supported on all server models.

The ServerGuide program requires a supported IBM server with an enabled startable (bootable) CD-ROM drive. In addition to the ServerGuide Setup and

Installation CD, you must have your operating-system CD to install your operating

system.

The ServerGuide program has the following features:

v Sets system date and time.

22 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

v Detects the SCSI RAID adapter, controller, or integrated SCSI controller with

RAID capabilities and runs the SCSI RAID configuration program.

v Updates the licensed internal code (firmware) level without diskettes. v Checks the system BIOS code and microcode (firmware) levels of supported

options to determine whether a later level is available from the CD. You can perform updates without using diskettes.

v Creates a System Partition on the default drive. Yo u can run server-specific utility

programs after setup.

v Detects installed hardware options and provides updated device drivers for most

adapters and devices.

v Creates a setup-replication diskette for replicating setup selections for other

servers of the same model.

v Provides diskette-free installation for supported operating systems. v Provides a replicated installation path for multiple installations of supported

operating systems.

v Includes an online README file with links to tips for your hardware and

operating-system installation.

Setup and configuration overview

When you use the ServerGuide Setup and Installation CD, you do not need setup diskettes. You can use the CD to configure any supported IBM server model. The ServerGuide program checks your system BIOS, service processors, and other system hardware to determine if system updates are available. The setup program provides a list of tasks that are required to set up your server model. On a server with a ServeRAID adapter or integrated SCSI controller with RAID capabilities, you can run the SCSI RAID configuration program to create logical drives.

Note: Features and functions can vary slightly with different versions of the

ServerGuide program.

When you start the ServerGuide Setup and Installation CD, the program performs the following tasks:

v The ServerGuide program prompts you for your language, country, and keyboard

layout. (This information is stored and later passed to the operating-system installation program.)

v The ServerGuide program displays choices for running the configuration

programs. For example: – The Express Configuration method runs the required programs for your

server, based on the hardware that is detected.

– The Custom Configuration method displays all programs that are available for

your server, and you decide which programs to run.

– The Replicated Configuration method provides the option of duplicating your

setup selections to other servers that are the same model.

If you select the Custom Configuration method, the following features are

optional. If you select the Express Configuration method, some or all of these features are run, depending on the hardware that is detected:

– The Set Date and Time feature is provided so that you do not have to use the

Configuration/Setup Utility program to access these settings.

– The Clear Hard Disks feature is provided so you can delete all partitions on all

hard disk drives.

– The ServerGuide program checks the server BIOS code and microcode

(firmware) levels for supported options and then checks the CD for a newer level. The CD content might be newer than the BIOS code and firmware level.

Chapter 2. Configuration 23

The ServerGuide program can perform a flash update of the BIOS code and supported microcode (firmware) options without using diskettes.

– The SCSI RAID configuration program starts, leading you through the entire

configuration process.

– The ServerGuide program creates a System Partition on the default drive.

The ServerGuide program displays a confirmation summary, so that you will

know when you have completed all the required tasks. Then, you are ready to install your operating system.

Notes:

1. Plug and Play adapters are configured automatically. Non-Plug and Play adapters or non-IBM adapters might require switch settings, additional device drivers, and installation after the operating system is installed. See the documentation that comes with the adapter.

2. Diagnostics for your server come in BIOS code or on a separate diagnostics CD.

System Partition

The ServerGuide program creates a 50 MB System Partition on the default drive. The System Partition contains server-specific utility programs such as service-processor disk operating system (DOS) utilities, system diagnostics, flash BIOS updates, and other programs. Programs in the System Partition vary by server model, and not all server models run utility programs from the System Partition. To determine which ones do, start the ServerGuide Setup and Installation CD and view the online overview.

After setup is complete, you can access programs in the System Partition by restarting the server and pressing Alt+F1 when the prompt is displayed. The

System Partition menu displays the programs that are available on your server

model.

Typical operating-system installation

You can use the ServerGuide program to shorten your installation time. The ServerGuide program provides the device drivers that are required for your hardware and for the operating system that you are installing. This section describes a typical ServerGuide operating-system installation.

Note: Features and functions can vary slightly with different versions of the

ServerGuide program.

1. After you have completed the setup process, the operating-system installation program starts. (You will need your operating-system CD to complete the installation.)

2. The ServerGuide program stores information about the server model, service processor, hard disk drive controllers, and network adapters. Then, the program checks the CD for newer device drivers. This information is stored and then passed to the operating-system installation program.

3. With some operating-system installations, you can create an operating-system replication diskette for setting up additional servers. This diskette contains the Internet protocol (IP) address, server name, and other selections.

4. The ServerGuide program presents operating-system partition options that are based on your operating-system selection and the installed hard disk drives.

24 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

5. If you are installing the operating system from diskettes, the ServerGuide program lists the diskettes that you must create and the optional device-driver diskettes (for installed adapters or controllers) that you might want to create.

6. The ServerGuide program prompts you to insert your operating-system CD and restart the server. At this point, the installation program for the operating system takes control to complete the installation.

Setting up or updating multiple servers

You can use the ServerGuide program to create diskettes that help you set up or update multiple servers. You can modify information on the diskettes as you use them to set up or update other servers.

Note: Availability and function can vary by server model and by the hardware that

is installed.

You can create a setup-replication diskette, which contains your hardware configuration selections. Use this diskette to replicate selections to other servers that are of the same model.

You can create an operating-system replication diskette, which contains information that you need to complete multiple installations. Not all operating systems support operating-system replication diskettes.

Installing your operating system without ServerGuide

If you have already configured the server hardware and you decide not to use the ServerGuide program to install your operating system, complete the following steps to download the latest operating-system installation instructions from the IBM Support Web page:

1. Go to http://www.ibm.com/pc/support/.

2. Under Browse, click Servers.

3. From the Family drop-down list, select your server model.

4. If operating-system installation instructions are available for your server model,

OS installation is in the list in the upper-left corner of the Web page. Click OS installation and select the instructions for your operating system.

Using ServeRAID Manager

You can use the ServeRAID Manager program, provided on the IBM ServeRAID

Support CD, to:

v Configure a redundant array of independent disks (RAID) v Restore a SCSI hard disk to factory-default settings, erasing all data v View your RAID configuration and associated devices v Monitor operation of your RAID controllers

The ServeRAID Manager program operates in two ways:

v Startable-CD mode v As an installed software program

the ServeRAID documentation on the IBM ServeRAID Support CD for

See additional information about RAID technology and instructions for using ServeRAID

Chapter 2. Configuration 25

Manager. The Installation Guide for your server also contains instructions for using ServeRAID Manager to configure your integrated SCSI controller with RAID capabilities.

Notes:

2. If you install a different type of RAID adapter in your server, use the configuration method supplied with the RAID adapter to view or change SCSI settings for attached devices.

Before you install your operating system, you must configure the controller that is attached to the hard disk drives. You must use the configuration program on the

IBM ServeRAID Support CD to configure the integrated SCSI controller with RAID

capabilities or to configure an optional IBM ServeRAID controller.

Notes:

1. You cannot use the ServerGuide Setup and Installation CD to configure the optional controllers.

2. To update the firmware and BIOS for an optional ServeRAID controller, you must use the IBM ServeRAID Support CD that comes with the ServeRAID option.

Configuring the Gigabit Ethernet controller

The Ethernet controller is integrated on the system board. This controller provides an interface for connecting to 10-Mbps, 100-Mbps, or 1000-Mbps networks and provides full duplex (FDX) capability, which enables simultaneous transmission and reception of data on the Ethernet local area network (LAN). You do not need to set any jumpers or configure the controller for your operating system before you use the Ethernet controller. However, you must install a device driver to enable your operating system to address the Ethernet controller. The device drivers are provided on the ServerGuide Setup and Installation CD.

When you connect your server to the network, the Ethernet controller automatically detects the data-transfer rate (10-Mbps, 100-Mbps, or 1000-Mbps) on the network and then sets the controller to operate at the appropriate rate. In addition, if the Ethernet ports that your server is connected to support auto-negotiation, the Gigabit Ethernet controller will set the appropriate duplex state. That is, the Ethernet controller will adjust to the network data rate, whether the data rate is standard Ethernet (10BASE-T), Fast Ethernet (100BASE-TX/1000BASE-T), half duplex (HDX), or full duplex (FDX). The controller supports half-duplex (HDX) and full-duplex (FDX) modes at both speeds.

For updated information on configuring your Ethernet controller, go to the IBM Support Web site at http://www.ibm.com/pc/support and navigate to the area for your specific server type. From this area you can download documentation, the most current device drivers for your server, and software that supports advanced networking functions. After downloading, run the downloaded program launch.exe.

26 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

High-performance Ethernet modes

Your Ethernet controller supports optional modes, such as teaming, priority packets, load balancing, fault tolerance, and virtual LANs, which provide higher performance, security, and throughput for your server. These modes apply to the integrated Ethernet controller and to the controllers on supported Ethernet adapters.

Ethernet port connector

The following illustration shows the pin-number assignments for the RJ-45 connector. These assignments apply to both 10BASE-T and 100/1000BASE-TX devices.

Updating the integrated system management firmware

To update the integrated system management (ISM) firmware for the integrated system management processor (ISMP), download the Integrated System Management Firmware Update Utility program for your server from the IBM Support Web site at http://www.ibm.com/pc/support/. Then run the Integrated System Management Firmware Update Utility program to create a diskette to use to update the ISM firmware. This diskette updates the ISM firmware only and does not affect any device drivers.

Complete the following steps to update the ISM firmware:

1. Turn off your server.

2. Insert the diskette into the diskette drive.

3. Turn on your server. If your server does not start from the diskette drive, use the Configuration/Setup Utility program to configure the diskette drive as a startup device. See “Using the Configuration/Setup Utility program” on page 15. Then, start again at step 1

4. From the main menu, select Update System Management Firmware and press Enter.

5. Follow the on-screen instructions to complete the update.

there is an error in updating the ISM firmware, try installing it again.

Chapter 2. Configuration 27

28 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Chapter 3. Diagnostics

This section provides basic troubleshooting information to help you resolve some common problems that might occur with your server.

If you cannot locate and correct the problem using the information in this section, see Appendix A, “Getting help and technical assistance,” on page 167 for more information.

General checkout

The server diagnostic programs are stored in upgradeable read-only memory (ROM) on the system board. These programs are the primary method of testing the major components of the server: the system board, Ethernet controller, video controller, RAM, keyboard, mouse (pointing device), diskette drive, serial ports, and hard disk drives. You can also use the diagnostic programs to test some external devices. See “Diagnostic programs and error messages” on page 33.

If you cannot determine whether a problem is caused by the hardware or by the software, you can run the diagnostic programs to confirm that the hardware is working properly.

When you run the diagnostic programs, a single problem might cause several error messages. When this occurs, work to correct the cause of the first error message. After the cause of the first error message is corrected, the other error messages might not occur the next time you run the test.

A failed system might be part of a shared DASD cluster (two or more systems sharing one or more external storage devices). Before you run diagnostics, verify that the failing system is not part of a shared DASD cluster.

A system might be part of a cluster if:

v The system is identified as part of a cluster. v One or more external storage units are attached to the system and at least one

of the attached storage units is also attached to another system or unidentifiable source.

v One or more systems are located near the failing system.

If the failing system is suspected to be part of a shared DASD cluster, you can run all diagnostic tests except the diagnostic tests that test the storage unit (DASD residing in the storage unit) or the storage adapter attached to the storage unit.

Notes:

1. For systems that are part of a shared DASD cluster, run one test at a time in looped mode. Do not run all tests in looped mode, because this could enable the DASD diagnostic tests.

2. If multiple error codes are displayed, diagnose the first error code that is displayed.

3. If the computer stops with a POST error, go to “POST error codes” on page

147.

4. If the computer stops and no error is displayed, go to “Undetermined problems” on page 157.

5. For power supply problems, see “Power-supply LED errors” on page 146.

6. For safety information, see “Safety information” on page 169.

7. For intermittent problems, check the error log.

001 IS THE SYSTEM PART OF A CLUSTER?

YES. Schedule maintenance for the system. Shut down all systems related

to the cluster. Run the storage test.

NO. Go to step 002.

002 IF THE SYSTEM IS NOT PART OF A CLUSTER:

1. Turn off the server and all external devices.

2. Check all cables and power cords.

3. Set all display controls to the middle position.

4. Turn on all external devices.

5. Turn on the server.

6. Record any POST error messages that are displayed on the screen. If an error is displayed, look up the first error in the “POST error codes” on page 147.

7. Check the information LED panel System Error LED; if it is on, see “Diagnostic panel system error LED” on page 132.

8. Check the System Error log. If an error was recorded by the system, see Chapter 6, “Symptom-to-FRU index,” on page 129.

9. Start the diagnostic programs.

10. Check for the following responses:

v One beep. v Readable instructions or the main menu.

DID YOU RECEIVE BOTH OF THE CORRECT RESPONSES?

003

NO. Find the failure symptom in Chapter 6, “Symptom-to-FRU index,” on

page 129.

YES. Run the diagnostic programs. If necessary, see “Diagnostic programs

and error messages” on page 33. If you receive an error, see Chapter 6, “Symptom-to-FRU index,” on page

129. If the diagnostic programs were completed successfully and you still

suspect a problem, see “Undetermined problems” on page 157.

30 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Diagnostic tools overview

The following tools are available to help you identify and resolve hardware-related problems:

v POST beep codes and error messages

The power-on self-test (POST) generates beep codes and messages to indicate successful test completion or the detection of a problem. See “POST error logs” for more information.

v Error log

The POST error log contains the three most recent error codes and messages that the system has generated during POST. The System Error Log contains all the error messages that were issued during POST.

To view the contents of the error logs, start the Configuration/Setup Utility program; then, select Error Logs from the main menu. See “Viewing the System Error log” on page 35 for more information.

v ServerGuide error symptoms

ServerGuide error symptoms are explained at “ServerGuide error symptoms” on page 32.

v SCSI error messages

For information on SCSI errors, see “Small computer system interface messages” on page 33 and “SCSI error codes” on page 153.

v Diagnostic programs and error messages

The server diagnostic programs are stored in read-only memory (ROM) on the system board. These programs are the primary method of testing the major components of your server. See “Diagnostic programs and error messages” on page 33 for more information.

v Light path diagnostics

Your server has light-emitting diodes (LEDs) to help you identify problems with server components. These LEDs are part of the light path diagnostics that are built into your server. By following the path of LEDs, you can quickly identify the type of system error that occurred. See “Light path diagnostics” on page 38 for more information.

v Error symptom charts

These charts list problem symptoms, along with suggested steps to correct the problems. See the “Error symptoms” on page 139 for more information.

v Support

You can find service information for your IBM products, including supported options, at http://www.ibm.com/pc/support.

POST error logs

When you turn on the server, it performs a series of tests to check the operation of server components and some of the options installed in the server. This series of tests is called the power-on self-test, or POST.

If POST finishes without detecting any problems, a single beep sounds, and the first screen of your operating system or application program appears.

If POST detects a problem, more than one beep sounds, and an error message appears on your screen. See “Beep symptoms” on page 129 and “POST error codes” on page 147 for more information.

Chapter 3. Diagnostics 31

Notes:

1. If you have a power-on password or administrator password set, you must type the password and press Enter, when prompted, before POST will continue.

2. A single problem might cause several error messages. When this occurs, work to correct the cause of the first error message. After you correct the cause of the first error message, the other error messages usually will not occur the next time you run the test.

The POST error log contains the three most recent error codes and messages that the system generated during POST. The System Error log contains all messages issued during POST and all system status messages from the service processor.

You can view the contents of the System Error log from the Configuration/Setup Utility program or from the diagnostic programs.

Viewing error logs from the Configuration/Setup Utility program

Start the Configuration/Setup Utility program; then, select Error Logs from the main menu. See “Starting the Configuration/Setup Utility program” on page 15 for more information.

Viewing error logs from the diagnostic programs

Start the diagnostic programs; select Hardware Info from the top of the diagnostic programs screen; select System Error Log from the list that appears; then, follow the instructions on the screen. See “Starting the diagnostic programs” on page 34 for more information.

ServerGuide error symptoms

Look for the symptom in the left column of the chart. Probable solutions to the problem are in the right column.

Table 3. ServerGuide Setup and Installation CD

Symptom Suggested action

The ServerGuide Setup and Installation CD will

not start.

The SCSI RAID program cannot view all installed drives, or the NOS cannot be installed.

The Operating System Installation program continuously loops.

The ServerGuide program will not start your NOS CD.

v Ensure that the server is supported and has a startable (bootable)

CD-ROM drive.

v If the startup (boot) sequence settings have been altered, ensure

that the CD-ROM drive is first in the startup sequence.

v If more than one CD-ROM drive is installed, ensure that only one

drive is set as the primary drive. Start the CD from the primary drive.

v Ensure that there are no duplicate SCSI IDs or IRQ assignments. v Ensure that the hard disk drive is connected properly.

Make more space available on the hard disk.

Ensure that the NOS CD you have is supported by the ServerGuide program. See the ServerGuide Setup and Installation CD label for a list of supported NOS versions.

32 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Table 3. ServerGuide Setup and Installation CD (continued)

Symptom Suggested action

The NOS cannot be installed; the option is not available.

Ensure that the NOS is supported on your server. If the NOS is supported, either there is no logical drive defined (SCSI RAID systems) or the ServerGuide System Partition is not present. Run the ServerGuide program, and ensure that setup is complete.

Small computer system interface messages

If you receive a SCSI error message, see “SCSI error codes” on page 153.

Note: If your server does not have a hard disk drive, ignore any message that

indicates that the BIOS is not installed.

Diagnostic programs and error messages

The server diagnostic programs are stored in upgradeable read-only memory (ROM) on the system board. These programs are the primary method of testing the major components of your server.

Diagnostic error messages indicate that a problem exists; they are not intended to be used to identify a failing part. Troubleshooting and servicing of complex problems that are indicated by error messages should be performed by trained service personnel.

Sometimes the first error to occur causes additional errors. In this case, the server displays more than one error message. Always follow the suggested action instructions for the first error message that appears.

The following sections contain the error codes that might appear in the detailed test log and summary log when the diagnostic programs are run.

The error code format is as follows:

fff-ttt-iii-date-cc-text message

where:

fff is the three-digit function code that indicates the function being

tested when the error occurred. For example, function code 089 is for the microprocessor.

ttt is the three-digit failure code that indicates the exact test failure that

was encountered. (These codes are for trained service personnel; see “Diagnostic error codes” on page 134).

iii is the three-digit device ID. (These codes are for trained service

personnel; see “Diagnostic error codes” on page 134).

date is the date that the diagnostic test was run and the error recorded. cc is the check value that is used to verify the validity of the

information.

text message is the diagnostic message that indicates the reason for the problem.

Chapter 3. Diagnostics 33

Text messages

The diagnostic text message format is as follows:

Function Name: Result (test specific string)

where:

Function Name

is the name of the function being tested when the error occurred. This corresponds to the function code (fff) shown in the error code format in the previous section.

Result

can be one of the following:

Passed This result occurs when the diagnostic test

is completed without any errors.

Failed This result occurs when the diagnostic test

discovers an error.

User Aborted This result occurs when you stop the

diagnostic test before it is complete.

Not Applicable This result occurs when you specify a

diagnostic test for a device that is not present.

Aborted This result occurs when the test could not

Warning This result occurs when a possible problem

specific string

test

is additional information that you can use to analyze the problem.

Starting the diagnostic programs

Complete the following steps to start the diagnostic programs:

1. Turn on the server and watch the screen.

Note: To run the diagnostic programs, you must start the server with the

highest level password that is set. That is, if an administrator password is set, you must enter the administrator password, not the power-on password, to run the diagnostic programs.

2. When the message F2 for Diagnostics appears, press F2.

3. Type the appropriate password; then, press Enter.

4. Select either Extended or Basic from the top of the screen.

5. When the Diagnostic Programs screen appears, select the test you want to run from the list that appears; then, follow the instructions on the screen.

proceed, for example, because of the system configuration.

is reported during the diagnostic test, such as when a device driver is not found.

Notes:

a. You can press F1 while running the diagnostic programs to obtain help

information. You also can press F1 from within a help screen to obtain online documentation from which you can select different categories. To exit from the help information and return to where you left off, press Esc.

34 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

b. If the server stops during testing and you cannot continue, restart the server

and try running the diagnostic programs again. If the problem remains, replace the component that was being tested when the server stopped.

c. The keyboard and mouse (pointing device) tests assume that a keyboard

and mouse are attached to the server.

d. If you run the diagnostic programs with either no mouse or a USB mouse

attached to your server, you will not be able to navigate between test categories using the Next Cat and Prev Cat buttons. All other functions provided by mouse-selectable buttons are also available using the function keys.

e. You can test the USB keyboard by using the regular keyboard test. The

regular mouse test can test a USB mouse. Also, you can run the USB interface test only if there are no USB devices attached.

f. You can view server configuration information (such as system configuration,

memory contents, interrupt request (IRQ) use, direct memory access (DMA) use, device drivers, and so on) by selecting Hardware Info from the top of the screen.

the diagnostic programs do not detect any hardware errors but the problem

If persists during normal server operations, a software error might be the cause. If you suspect a software problem, see the information that comes with the software package.

Viewing the test log

When the tests are completed, you can view the test log by selecting Utility from the top of the screen and then selecting View Test Log.

Notes:

1. You can view the test log only while you are in the diagnostic programs. When you exit the diagnostic programs, the test log is cleared (saved test logs are not affected). To save the test log so that you can view it later, click Save Log on the diagnostic programs screen and specify a location and name for the saved log file.

2. To save the test log to a diskette, you must use a diskette that you have formatted yourself; this function does not work with preformatted diskettes. If the diskette has sufficient space for the test log, the diskette may contain other data.

Viewing the System Error log

You can also view the System Error log from the diagnostic programs. See the instructions in “POST error logs” on page 31.

Diagnostic error message tables

For descriptions of the error messages that might appear when you run the diagnostic programs, see “Diagnostic error codes” on page 134.

Notes:

1. Depending on your server configuration, some of the error messages might not appear when you run the diagnostic programs.

2. If diagnostic error messages appear that are not listed in the tables, make sure that your server has the latest levels of BIOS, Advanced System Management Processor, ServeRAID, and diagnostics microcode installed.

Chapter 3. Diagnostics 35

Identifying problems using status LEDs

If the system-error LED in the operator information panel on the front of the server is on, one or more LEDs inside the server or on the power supplies will be on. Your server has LEDs to help you identify problems with some server components. These LEDs are part of the light path diagnostics feature built into the server. By following the path of LEDs, you can quickly identify the type of system error that occurred (see “Light path diagnostics” on page 38).

Your server is designed so that any LEDs that are illuminated remain illuminated when the server shuts down, provided that the ac power source is good and the power supplies can supply +5 V dc current to the server. This feature helps you isolate the problem if an error causes the server to shut down. See “System-board LED locations” on page 53.

LEDs for Active PCI slots

Each Active (hot-plug) PCI slot has three LEDs associated with it: one power LED and two attention LEDs. The following illustration shows the location of these LEDs.

PCI bus A error LED (CR66)

PCI-X bus B error LED (CR68)

PCI-X slot 5 power LED (CR75)

PCI-X slot 5 internal attention LED (CR73)

PCI-X slot 5 external attention LED (CR74)

PCI-X bus C error LED (CR76)

PCI-X slot 6 external attention LED (CR77)

PCI-X slot 6 internal attention LED (CR78)

PCI-X slot 6 power LED (CR79)

Power LED

This LED is on when the hot-plug PCI slot has power. An adapter must not be added to or removed from the PCI slot when the power LED is on.

When this LED is off, the hot-plug PCI slot has no power applied. An adapter can be added to or removed from the PCI slot when the power LED is off.

36 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

See your operating-system documentation to determine if your operating system supports hot-plug PCI adapters and, if so, how to disable the hot-plug PCI slot.

Attention LEDs

Each hot-plug PCI slot has an attention LED that is visible from the rear of the server and one that can be seen from inside the server. These LEDs have the same meaning; they are duplicated to be visible from outside or inside the server.

An attention LED flashes approximately once per second when it is on. The meaning of the attention LEDs is defined by your operating system. See your operating-system documentation to determine if your operating system supports hot-plug PCI adapters and, if so, what the attention LEDs indicate.

The following table describes the adapter power and attention LEDs.

Table 4. Adapter power and attention LEDs

Power LED Attention LED Description and action

On Flashing The adapter requires attention. The slot still has power

applied. Do not remove or install an adapter in the slot. See your operating-system documentation for

instructions. On Off Normal operation; no intervention is required. Off Flashing The adapter requires intervention. Power is removed

from the slot. An adapter can be removed or installed

in the slot. Off Off Power is removed from the slot. An adapter can be

removed or installed in the slot.

Chapter 3. Diagnostics 37

Power-supply LEDs

The ac and dc power LEDs on the power supply provide status information about the power supply. The following illustration shows the location of the ac and dc power LEDs.

Note: The following illustration shows the rear of the server with two hot-swap

power supplies installed. A server with a single fixed power supply is similar.

Fan 1 LED

Power supply 1

AC power LED (green)

DC power LED (green)

Power supply 2

AC power LED (green)

DC power LED (green)

For more information about the ac and dc power LEDs, see “Power-supply LED errors” on page 146.

Light path diagnostics

If the system error LED in the operator information panel on the front of the server is on, one or more LEDs inside the server might be on. Use the light path diagnostics panel to quickly identify the type of error that occurred.

For LED locations, see “System-board LED locations” on page 53.

NMI button

(service use only)

Fan 2 LED

Ethernet link status LED

PCI-X slot 5 attention LED

PCI-X slot 6 attention LED

Your server is designed so that LEDs remain lit when the server shuts down, provided that the power supplies are operating properly. This feature helps you to isolate the problem even if an error causes the server to shut down.

38 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Diagnostic panel LEDs

The following illustration shows the LEDs on the diagnostics panel inside the server.

CPU

VRM

MEMORY

PCI BUS

POWER SUPPLY

FAN

REMIND

DASD

NMI

SERVICE PROCESSOR BUS

NONREDUNDANT

TEMPERATURE

The system-error LED on the operator information panel is lit when certain system errors occur. If the system-error LED on your server is lit, you can check the diagnostics panel to see if any LEDs are lit. You can determine the cause of the error and the action you should take by checking the table at “Diagnostic panel system error LED” on page 132.

Notes:

1. Depending on your server model, these items might appear in a different orientation on the LED panel.

2. The server supports a maximum of three PCI buses.

3. See the documentation that comes with the system-management software for more information about the service processor.

Remind button

You can use the Remind button to place the front panel system-error LED into the Remind mode. By pressing the button, you acknowledge the failure but indicate that you will not take immediate action. If a new failure occurs, the system-error LED will turn on again.

In the Remind mode, the system-error LED flashes every 2 seconds. The system-error LED remains in the Remind mode until one of the following situations occurs:

v All known problems are resolved v The system is restarted v A new problem occurs

can use the Remind button to delay server maintenance until a later time. Also,

You resetting the system-error LED enables the LED to react to another error. If the LED is still on from the first error, it will not indicate additional errors. If you press the Remind button (causing the LED to flash every 2 seconds) and another error occurs, the LED will stop flashing and will instead be lit continuously to alert you to the new error.

Chapter 3. Diagnostics 39

Recovering the BIOS code

If the BIOS code has become damaged, such as from a power failure during a flash update, you can recover the BIOS code using a BIOS flash diskette.

Note: Yo u can obtain a BIOS flash diskette from one of the following sources:

v Use the ServerGuide program to make a BIOS flash diskette. v Download a BIOS flash diskette from the World Wide Web. Go to

http://www.ibm.com/pc/support/, click IBM Server Support, and make the selections for your server.

v Contact your IBM service representative.

Complete

1. Turn off the server and disconnect all power cords and external cables; then,

the following steps to recover the BIOS code:

remove the server cover (see “Removing the left-side cover” on page 55).

2. Locate the boot block recovery jumper (J28) on the system board. See “System-board switches and jumpers” on page 51 for jumper location.

3. Remove the jumper from pins 1 and 2 of boot block recovery jumper and place it on pins 2 and 3 of the boot block recovery jumper to enable BIOS recovery mode.

4. Insert the BIOS flash diskette into the diskette drive.

5. Reconnect all power cords; then, reinstall the server cover.

6. Restart the server. The system begins the power-on self-test (POST).

7. Select 1 - Update POST/BIOS from the menu that contains various flash (update) options.

8. When prompted as to whether you want to save the current code to a diskette, press N.

9. When prompted to choose a language, select a language (from 0 to 7) and press Enter to accept your choice.

10. Do not restart your server at this time.

11. Remove the BIOS flash diskette from the diskette drive.

12. Turn off the server and disconnect all power cords; then, remove the server cover.

13. Remove the jumper from pins 2 and 3 of boot block recovery jumper (J28) and place it on pins 1 and 2 of the boot block recovery jumper to return to normal startup mode.

14. Reconnect all external cables and power cords and turn on the peripheral devices; then, reinstall the server cover and restart the server. The system starts.

Power checkout

Power problems can be difficult to solve. For example, a short circuit can exist anywhere on any of the power distribution buses. Usually a short circuit will cause the power subsystem to shut down because of an overcurrent condition.

A general procedure for troubleshooting power problems is as follows:

1. Turn off the server and disconnect all ac power cords.

2. Check for loose cables in the power subsystem. Also check for short circuits, for

example, if there is a loose screw causing a short circuit on a circuit board.

40 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

3. Remove adapters and disconnect the cables and power connectors to all internal and external devices until the server is at the minimum configuration required to start the server (see “Minimum operating requirements” on page

157).

4. Reconnect all ac power cords and turn on the server. If the server starts up successfully, replace adapters and devices one at a time until the problem is isolated. If the server does not start up from the minimal configuration, replace FRUs of minimal configuration one at a time until the problem is isolated.

To use this method, it is important to know the minimum configuration required for a system to start (see page 157). For specific problems, see “Power-supply LED errors” on page 146.

Troubleshooting the Ethernet controller

This section provides troubleshooting information for problems that might occur with the 10/100/1000 Mbps Ethernet controller.

Network connection problems

If the Ethernet controller cannot connect to the network, check the following conditions:

v Make sure that the cable is installed correctly.

The network cable must be securely attached at all connections. If the cable is attached but the problem remains, try a different cable.

If you set the Ethernet controller to operate at either 100 Mbps or 1000 Mbps, you must use Category 5 or higher cabling.

v Determine whether the hub supports auto-negotiation. If it does not, try

configuring the integrated Ethernet controller manually to match the speed and duplex mode of the hub.

v Check the Ethernet controller LEDs on the operator information panel and on the

rear of the server. These LEDs indicate whether a problem exists with the connector, cable, or hub.

– The Ethernet transmit/receive activity LED, on the operator information panel,

is lit when the Ethernet controller sends or receives data over the Ethernet Network. If the Ethernet transmit/receive activity LED is off, make sure that the hub and network are operating and that the correct device drivers are installed.

– The Ethernet link status LED, on the rear of the server, is lit when the

Ethernet controller receives a LINK pulse from the hub. If the LED is off, there might be a defective connector or cable or a problem with the hub.

Make sure that you are using the correct device drivers which are supplied with

your server.

v Check for operating-system-specific causes for the problem. v Make sure that the device drivers on the client and server are using the same

protocol.

v Test the Ethernet controller.

The way the Ethernet controller is tested depends on which operating system you are using (see the Ethernet controller device driver README files).

Ethernet controller troubleshooting chart

Use the following troubleshooting chart to find solutions to 10/100/1000 Mbps Ethernet controller problems that have definite symptoms.

Chapter 3. Diagnostics 41

Table 5. Ethernet troubleshooting chart

Ethernet controller

FRU/actions

problem

The server stops

The PCI BIOS interrupt settings are incorrect. running when loading device drivers.

Check the following:

v Determine if the interrupt (IRQ) setting assigned to the Ethernet controller is also

assigned to another device in the Configuration/Setup Utility program. Although interrupt sharing is allowed for PCI devices, some devices do not function well

when they share an interrupt with a dissimilar PCI device. Try changing the IRQ assigned to the Ethernet controller or the other device. For example, for NetWare Versions 3 and 4, it is recommended that disk controllers not share interrupts with LAN controllers.

v Make sure that you are using the most recent device driver available from the World

Wide Web.

v Run the network diagnostic program.

v Reseat or replace the adapter.

Ethernet link status LED does not work.

Check the following:

v Make sure that the hub is turned on.

v Check all connections at the Ethernet controller and the hub.

v Use another port on the hub.

v If the hub does not support auto-negotiation, manually configure the Ethernet controller

to match the hub.

v If you manually configured the Duplex mode, make sure that you also manually

configure the speed.

v Run diagnostics on the LEDs.

v Reseat or replace the adapter.

The Ethernet transmit/receive activity LED does not work.

Check the following:

v Make sure that you have loaded the network device drivers.

v The network might be idle. Try sending data from this server.

v Run diagnostics on the LEDs.

Data is incorrect or sporadic.

Check the following:

v Make sure that you are using Category 5 or higher cabling when operating the server at

100 Mbps or at 1000 Mbps.

v Make sure that the cables do not run close to noise-inducing sources like fluorescent

lights.

The Ethernet controller stopped working when another adapter was added to the server.

Check the following:

v Make sure that the cable is connected to the Ethernet controller.

v Make sure that your PCI system BIOS code is current.

v Reseat the adapter.

v Determine if the interrupt (IRQ) setting assigned to the Ethernet adapter is also assigned

to another device in the system. Use the Configuration/Setup Utility program to determine if this is the case.

Although interrupt sharing is allowed for PCI devices, some devices do not function well when they share an interrupt with a dissimilar PCI device. Try changing the IRQ assigned to the Ethernet adapter or the other device.

v Reseat or replace the adapter.

The Ethernet controller stopped working without apparent cause.

Check the following:

v Run diagnostics for the Ethernet controller.

v Try a different connector on the hub.

v Reinstall the device drivers. See your operating-system documentation and the

ServerGuide information.

v Reseat or replace the adapter.

42 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Ethernet controller messages

The integrated Ethernet controller might display messages from certain device drivers. The latest information available concerning these messages will be made available at the IBM Support Web site at http://www.ibm.com/pc/support.

Chapter 3. Diagnostics 43

44 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Chapter 4. Customer replaceable units

This chapter provides instructions for adding options to your server. Some option-removal instructions are provided in case you need to remove one option to install another.

Installation guidelines

Before you begin to install options in your server, read the following information:

v Become familiar with the safety and handling guidelines specified under

“Handling static-sensitive devices” on page 46 and read the safety statements in “Safety information” on page 169.

v You do not need to turn off the server to install or replace hot-swap power

supplies, hot-swap drives, hot-swap fans, Active PCI (hot-plug) adapters, or hot-plug Universal Serial Bus (USB) devices.

v The orange color on components and labels in your server identifies hot-swap or

hot-plug component. Yo u can install or remove hot-swap and hot-plug components while the system is running, provided that your system is configured to support this function. For complete details about installing or removing a hot-swap or hot-plug component, see the detailed information in this chapter.

v The blue color on components and labels identifies touch points where you can

grip a component, move a latch, and so on.

v Make sure that you have an adequate number of properly grounded electrical

outlets for your server, monitor, and any other options that you intend to install.

v Back up all important data before you make changes to disk drives. v For a list of supported options for your server, go to

http://www.ibm.com/pc/us/compat/ on the World Wide Web.

System reliability considerations

To help ensure proper cooling and system reliability, make sure that:

v Each of the drive bays has either a drive or a filler panel installed. v Each of the power-supply bays has a power supply installed. v For tower models, make sure that there is at least 50 mm (2 inches) of ventilated

space at the sides of the server and 100 mm (4 inches) at the front and rear of the server.

For rack configurations, make sure that space is available around the server to enable the server cooling system to work properly. See the documentation that comes with the rack for additional information.

v The server cover is in place during normal operation. v The air-baffle cover over the microprocessors remains closed during normal

operation.

v A removed hot-swap drive is replaced within 2 minutes of removal. v Cables for optional adapters are routed according to the instructions provided

with the adapters.

v A failed fan is replaced within 48 hours. v The server is turned off and the power cords are disconnected before you open

the air-baffle cover.

v The air-baffle assembly is always installed in the server except when you are

installing or removing the components that are located under the air-baffle cover.

v When the air-baffle assembly is installed in the server, the air-baffle cover is

always closed.

v Microprocessor socket 2 always contains either a microprocessor baffle or a

microprocessor.

Working inside the server with the power on

Your server supports hot-plug, hot-add, and hot-swap devices and is designed to operate safely while turned on with the cover removed. Follow these guidelines when you work inside a server that is turned on:

v Avoid loose-fitting clothing on your forearms. Button long-sleeved shirts before

working inside the server; do not wear cuff links while you are working inside the server.

v Do not allow your necktie or scarf to hang inside the server. v Remove jewelry, such as bracelets, necklaces, rings, and loose-fitting wrist

watches.

v Remove items from your shirt pocket (such as pens or pencils) that could fall into

the server as you lean over it.

v Avoid dropping any metallic objects, such as paper clips, hair pins, or screws,

into the server.

Handling static-sensitive devices

Attention: Static electricity can damage electronic devices and your system. To

avoid damage, keep static-sensitive devices in their static-protective packages until you are ready to install them.

To reduce the possibility of electrostatic discharge, observe the following precautions:

v Limit your movement. Movement can cause static electricity to build up around

you.

v Handle the device carefully, holding it by its edges or its frame. v Do not touch solder joints, pins, or exposed printed circuitry. v Do not leave the device where others can handle and possibly damage the

device.

v While the device is still in its static-protective package, touch it to an unpainted

metal part of the server for at least 2 seconds. (This drains static electricity from the package and from your body.)

v Remove the device from its package and install it directly into the server without

setting down the device. If it is necessary to set down the device, place it back into its static-protective package. Do not place the device on the server cover or on a metal surface.

v Take additional care when handling devices during cold weather because heating

reduces indoor humidity and increases static electricity.

Major components of the xSeries 235 Type 8671 server

The orange color on components and labels in your server identifies hot-swap or hot-plug components. Yo u can install or remove hot-swap or hot-plug components while the system is running, provided that your system is configured to support this function.

46 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

The blue color on components and labels indicates touch points where a component can be gripped, a latch moved, and so on.

The following illustration shows the major components in your server.

Note: The illustrations in this document might differ slightly from your hardware.

Power supply

Rear fans 1 and 2

Center fans 3 and 4

Air-baffle

Microprocessor

Front fans (blowers) 5 and 6

VRM

Memory modules

Adapter-support bracket

Chapter 4. Customer replaceable units 47

System-board component locations

This section provides illustrations of the system board showing the locations of connectors, switch and jumper blocks, and LEDs.

System-board option connectors

The following illustration shows the location of the system-board connectors for user-installable options.

VRM 2 (J1)

Microprocessor 2 (U9)

Microprocessor 1 (U13)

VRM 1 (J17)

Remote Supervisor Adapter (J27)

PCI slot 1 32-bit 5.0 V (J32)

PCI-X slot 2 64-bit 3.3 V (J36)

PCI-X slot 3 64-bit 3.3 V (J38)

PCI-X slot 4 64-bit 3.3 V (J41)

PCI-X slot 5 64-bit 3.3 V 133 MHz hot-plug (J43)

PCI-X slot 6 64-bit 3.3 V 133 MHz hot-plug (J45)

DIMM 1 (J7) DIMM 2 (J9) DIMM 3 (J11) DIMM 4 (J12) DIMM 5 (J14) DIMM 6 (J15)

Battery (BH1)

48 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

System-board internal cable connectors

The following illustration shows the internal cable connectors on the system board.

Fans (J25) Center fans on 533 MHz system board Rear fans on all other system boards

System-board identification (some models)

CPU ONLY

533 MNz FSB

Power (J4)

Power signal (J10)

Fans (J18) Rear fans on 533 MHz system board Center fans on all other system boards

IDE CD-ROM drive (J21)

Diskette drive (J22)

Light Path Diagnostics panel (J23)

Operator information panel (J24)

SCSI channel A (J44)

SCSI channel B (J51)

On/off/reset panel (J47)

Front fans (J50)

Chapter 4. Customer replaceable units 49

System-board external port connectors

The following illustration shows the location of the input/output external port connectors on the system board.

Keyboard (J2) Mouse (J3)

Parallel (J5)

Serial (J8)

RS-485 (J13)

Rear USB (J16)

Video (J19)

Ethernet (J26)

Front USB (J29)

Optional serial (533 MHz system board only) (J48)

50 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

System-board switches and jumpers

The following illustration shows the location of the system-board switch block (SW1) and jumper blocks (J28 and J42) on the system board.

IXA adapter

jumper (J42)

1-2

2-3

Disabled

Enabled

Boot block recovery

jumper (J28)

1-2

2-3

Normal

Update

1 2 3 4 5 6 7 8

OFF

System board

switch block (SW1)

Chapter 4. Customer replaceable units 51

Table 6 describes the function of each switch on the switch block.

Table 6. Switches 1-8

Switch

number Default value

8 Off 400 MHz system board - Reserved.

7 Off Power-on override. When toggled to On, this switch forces the server to turn on,

6 Off Power-on password override. Changing the position of this switch bypasses the

5 Off Reserved. 4 Off Reserved. 3 Off Reserved. 2 Off Reserved. 1 Off Reserved.

Switch description

533 MHz system board - Disable Wake on LAN after ac power-on.

overriding the power-on button.

power-on password check the next time the server is turned on and starts the Configuration/Setup Utility program so that you can change or delete the power-on password. You do not need to move the switch back to the default position after the password is overridden.

Changing the position of this switch does not affect the administrator password check if an administrator password is set.

See “Choices available from the Configuration/Setup main menu” on page 16 for additional information about the power-on password.

CAUTION: Before changing any switch settings or moving any jumpers, turn off the server; then, disconnect all power cords and external cables. (Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.)

Any system-board switch or jumper blocks that are not shown in the

Note:

illustrations in this book are reserved.

52 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

System-board LED locations

The following illustration shows the location of the LEDs on the system board. You might need to refer to this illustration when solving server problems.

PCI bus A error LED (CR66)

PCI-X bus B error LED (CR68)

PCI-X slot 5 power LED (CR75)

PCI-X slot 5 internal attention LED (CR73)

PCI-X slot 5 external attention LED (CR74)

PCI-X bus C error LED (CR76)

PCI-X slot 6 external attention LED (CR77)

PCI-X slot 6 internal attention LED (CR78)

PCI-X slot 6 power LED (CR79)

CPU 2 error LED (CR4)

VRM 2 error LED (CR1)

CPU mismatch error LED (CR14)

Power error LED (CR15)

DIMM 1 error LED (CR16)

DIMM 2 error LED (CR17)

DIMM 3 error LED (CR18)

DIMM 4 error LED (CR20)

DIMM 5 error LED (CR22)

DIMM 6 error LED (CR23)

CPU 1 error LED (CR24)

VRM 1 error LED (CR33)

Service processor activity LED (CR67)

Chapter 4. Customer replaceable units 53

Removing the server door (tower model)

The following illustration shows how to remove the door from the tower model server.

V IC

T E

A T

Flange

Server door

Complete the following steps to remove the server door:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

2. Unlock and open the server door.

3. Locate the flange on the top edge of the door.

4. Press the flange downward while pressing outward on the door; then, lift the door up and off the hinge. Set the door aside in a safe place.

54 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Removing the server left-side cover and bezel (tower model)

This section describes how to remove the left-side cover and bezel from the tower model server.

Removing the left-side cover

The following illustration shows how to remove the left-side cover from the tower model server.

Left-side cover

Coverrelease latch

Complete the following steps to remove the server left-side cover:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

2. Push the plastic cover-release latch on the front of the server to the right to release the cover.

3. While pushing the plastic cover-release latch, slide the left-side cover slightly toward the rear of the server; the cover will stop after approximately 25 mm (1 inch). Release the cover-release latch; then, lift the cover off the server and set the cover aside.

Chapter 4. Customer replaceable units 55

Removing the bezel

The following illustration shows how to remove the bezel from the tower model server.

Note: If you have not already removed the door, remove it as described in

“Removing the server door (tower model)” on page 54.

Bezel-release lever

Complete the following steps to remove the bezel:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

2. Press up on the bezel-release lever.

3. Pull the top of the bezel away from the chassis; then, lift the bezel to disengage the bottom tabs.

4. Remove the bezel from the server and store the bezel in a safe place.

56 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Removing the server top cover and bezel (rack configuration)

This section describes how to remove the top cover and bezel from a rack configuration server.

Removing the top cover

The following illustration shows how to remove the top cover from a rack configuration server.

Top cover

2 O W

T R O

O R

Right-side latch

Cover-release latch

Left-side latch

Complete the following steps to remove the server top cover:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

2. Press down on the plastic cover-release latch on the front of the server.

3. While pressing the plastic cover-release latch, slide the top cover slightly toward the rear of the server; the cover will stop after approximately 25 mm (1 inch). Release the cover-release latch; then, lift the cover off the server and set the cover aside.

Chapter 4. Customer replaceable units 57

Removing the bezel

The following illustration shows how to remove the bezel from a rack configuration server.

Bezel-release lever

Bezel

Complete the following steps to remove the bezel:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

2. Remove the server cover and locate the bezel-release lever.

3. Press the bezel-release lever to the unlocked position as indicated on the lever.

4. Pull the right side of the bezel away from the chassis; then, slide the bezel to the right to disengage the tabs.

5. Remove the bezel from the server and store the bezel in a safe place.

Removing and installing the adapter-support bracket

When working with some options, you must first remove the adapter-support bracket to access certain components or connectors on the system board.

Note: The adapter-support bracket is attached to the center-fan bracket in the

server. Both brackets are removed and installed together as a single unit.

Complete the following steps to remove the adapter-support bracket:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

58 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

2. Turn off the server and disconnect all power cords and external cables (“Turning off the server” on page 9); then, remove the server cover (see “Removing the server left-side cover and bezel (tower model)” on page 55 or “Removing the server top cover and bezel (rack configuration)” on page 57).

3. Slide the air-baffle assembly out of the guides; then, remove it from the server.

Air-baffle assembly

4. Disconnect any cables that are connected to the full-length adapters.

5. Lift the adapter-retention clip on top of the adapter-support bracket (for the location of this clip, see the illustration at “Installing a hot-plug adapter (slots 5 and 6)” on page 62); then, remove the full-length adapters and plastic dividers.

6. Disconnect the end of the cable that is attached to the center-fans connector on the system board (see “System-board internal cable connectors” on page 49).

7. Remove the adapter-support bracket.

Centerfan bracket

a. Press the release tab on each adapter-support bracket latch. There are two

Adaptersupport bracket

Adapter-support

SCSI cable

bracket latches

latches; one at each end of the adapter-support bracket.

Chapter 4. Customer replaceable units 59

b. Slide the adapter-support bracket and fan-support bracket unit out of the

guides; then, remove it from the server.

Note:

8. Continue with the option installation or removal procedure.

Working with adapters

This section describes how to install hot-plug and non-hot-plug PCI and PCI-X adapters. Before you continue with the adapter-installation procedures, review “Adapter considerations.”

The following illustration shows the location of the PCI and PCI-X adapter expansion slots on the system board. Slots 5 and 6 are the Active PCI-X slots. Active PCI-X slots are also called hot-plug PCI-X slots.

Note: For information about the adapter power-on and attention LEDs, see “LEDs

for Active PCI slots” on page 36.

To reinstall the adapter-support bracket and other components that you

removed or disconnected, reverse the preceding steps. Remember to reroute the cables that you disconnected and to reconnect the center-fan cable to the system board (see “System-board internal cable connectors” on page 49).

PCI slot 1 32-bit 5.0 V (J32)

PCI-X slot 2 64-bit 3.3 V (J36)

PCI-X slot 3 64-bit 3.3 V (J38)

PCI-X slot 4 64-bit 3.3 V (J41)

PCI-X slot 5 64-bit 3.3V 133 MHz hot-plug (J43)

PCI-X slot 6 64-bit 3.3 V 133 MHz hot-plug (J45)

Adapter considerations

Before you install an adapter, review the following:

v Read the documentation that comes with your operating system.

60 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

v Locate the documentation that comes with the adapter and follow those

instructions in addition to the instructions in this chapter. If you need to change the switch or jumper settings on your adapter, follow the instructions that come with the adapter.

v You can install full-length adapters and non-hot-plug adapters in any expansion

slot.

v The 32-bit PCI slot supports 5.0 V signaling PCI adapters; it does not support 3.3

V signaling adapters.

v The 64-bit PCI-X slots 2 through 6 support 3.3 V signaling PCI or PCI-X

adapters; they do not support 5.0 V signaling adapters.

v The PCI bus configuration is:

– Non-hot-plug, 32-bit PCI slot 1 is on PCI bus A, 33 MHz – Non-hot-plug, 64-bit PCI-X slots 2 and 3, and the integrated Ethernet

controller, are on PCI bus B, 100 MHz (independent of slot 4)

– Non-hot-plug, 64-bit PCI-X slot 4 and the integrated SCSI controller with RAID

capabilities are on PCI bus B, 100 MHz (independent of slots 2 and 3)

– Hot-plug, 64-bit PCI-X slot 5 is on PCI bus C, 133 MHz (independent of slot

– Hot-plug, 64-bit PCI-X slot 6 is on PCI bus C, 133 MHz (independent of slot

Notes:

1. PCI bus A is often referred to as bus 0; PCI bus B is often referred to as bus 1 and bus 2; and PCI bus C is often referred to as bus 3 and bus 5. However, the bus numbers vary according to the adapters that are installed.

2. If an optional ServeRAID-5i controller is installed, it overrides the standard functionality of the integrated SCSI controller with RAID capabilities and forces PCI-X slot 4 to 66 MHz. The ServeRAID-5i controller must be installed in slot 4 using the 3-U bracket that comes with the controller. However, if a ServeRAID-5i controller is installed and later removed, you must re-enable the on-board SCSI controller in using the Configuration/Setup Utility program (see “Starting the Configuration/Setup Utility program” on page 15).

3. The integrated SCSI controller with RAID capabilities is on PCI bus B.

v The optional IBM Remote Supervisor Adapter must be installed in PCI slot 1 only.

Use the ribbon cable that comes with the adapter to connect the adapter to the Remote Supervisor Adapter connector (J27) on the system board.

v The system scans PCI and PCI-X slots 1 through 6 to assign system resources.

The system then starts (boots) the system devices in the following order, if you have not changed the default boot precedence: integrated SCSI controller with RAID capabilities (or optional ServeRAID-5i controller), integrated Ethernet controller, and then PCI and PCI-X slots 1 through 6.

Note: To change the boot precedence for PCI and PCI-X devices, start the

Configuration/Setup Utility program and select Start Options from the main menu (see “Starting the Configuration/Setup Utility program” on page

15).

v The Active PCI-X slots contain:

– Power-on LEDs – Internal attention LEDs – External attention LEDs

Chapter 4. Customer replaceable units 61

Installing a hot-plug adapter (slots 5 and 6)

This section contains the procedure for installing a hot-plug PCI or PCI-X adapter. If your operating system supports hot-plug PCI or PCI-X adapters, you can replace a failing hot-plug PCI or PCI-X adapter with a new adapter of the same type without turning off power to the server. If your operating system and adapter also support the hot-add feature, you can install a new adapter without turning off the power to the server.

Notes:

1. Although an optional Integrated xSeries Adapter (IXA) can be installed only in slots 5 and 6, it is not a hot-plug adapter. See “Installing a non-hot-plug adapter (any slot)” on page 64 for instructions for installing an IXA adapter.

2. Do not remove a hot-plug adapter before performing the operating-systemdefined adapter. Failure to do so might cause your system to lock up. See your operating-system documentation for additional information.

3. You do not have to turn off the server to install hot-plug adapters in the hot-plug slots. However, you must turn off the server when performing any steps that involve installing or removing cables.

The following illustration shows how to install a PCI or PCI-X hot-plug adapter.

procedure for disabling the Active PCI-X (hot-plug) slot that contains the

Adapter-retention latch

Expansionslot cover

Adapter

Adapterretention clip

Adapter-support bracket

Complete the following steps to install a hot-plug PCI or PCI-X adapter:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

2. If you are installing an adapter that requires you to install or remove any cables, turn off the server and disconnect all power cords and external cables (“Turning off the server” on page 9).

3. Remove the server cover (see “Removing the server left-side cover and bezel (tower model)” on page 55 or “Removing the server top cover and bezel (rack configuration)” on page 57).

4. Determine which expansion slot you will use for the adapter.

62 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Note: Only PCI-X slots 5 and 6 support hot-plug adapters.

Attention: Disabling a PCI-X slot turns off the power LED for that PCI-X slot.

Make sure that the power LED for the hot-plug PCI-X slot is off before you continue with the next step. See “System-board LED locations” on page 53 for the location of the power LED.

5. Disable the selected PCI-X slot from your operating system. (See the documentation that comes with your operating system for information about disabling a hot-plug PCI-X slot.)

6. Slide the orange adapter-retention-latch release toward the rear of the server and hold it there while you lift the black adapter-retention latch to the unlocked (open) position as indicated by the arrow.

Attention: Expansion-slot covers must be installed on all empty slots. This

maintains the electronic emissions characteristics of the system and ensures proper cooling of system components.

7. Remove the expansion-slot cover from the server. Store it in a safe place for future use.

8. If you are installing a full-length adapter, lift the adapter-retention clip on the adapter-support bracket. Otherwise, continue with the next step.

9. See the documentation that comes with your adapter for any cabling instructions. It might be easier for you to route cables before you install the adapter.

Attention: Avoid touching the components and gold-edge connectors on the

adapter.

10. Remove the adapter from the static-protective package.

11. Install the adapter: a. If you are installing a full-length adapter, remove the blue adapter guide (if

any) from the end of the adapter.

b. Carefully grasp the adapter by its top edge or upper corners, and align it

c. Press the adapter firmly into the expansion slot. d. Lower the adapter-retention latch over the top corner of the adapter. The

Adapter guide

with the expansion slot on the system board.

Attention: When you install an adapter in the server, be sure that it is

completely and correctly seated in the system-board connector. Incomplete insertion might cause damage to the system board or the adapter.

adapter-retention latch automatically locks into place.

Chapter 4. Customer replaceable units 63

Important: Power cannot be restored to the adapter slot if the latch is not

lowered into place.

If you installed a full-length adapter, close the adapter-retention clip on the

12. adapter-support bracket. Otherwise, continue with the next step.

Attention: When you route the cables, do not block the ventilated space

around any of the fans.

13. Connect any needed cables to the adapter.

14. Enable the hot-plug PCI-X slot from your operating system. When the hot-plug PCI-X slot is enabled, the power LED for that hot-plug PCI-X slot comes on. See the documentation that comes with your operating system for information about enabling a hot-plug PCI-X slot.

15. If you have other options to install or remove, do so now; otherwise, go to “Installing the server bezel and left-side cover (tower model)” on page 100 or “Installing the server bezel and top cover (rack configuration)” on page 103.

Installing a non-hot-plug adapter (any slot)

The following illustration shows how to install a non-hot-plug PCI or PCI-X adapter.

Adapterretention latch

Expansionslot cover

Backup expansion-slot screws

Adapter

Adapterretention clip

Adapter-support bracket

Attention: You must install the IXA adapter jumper (J42) between pins 2 and 3

when using an Integrated xSeries Adapter (IXA) in slots 5 and 6 (see “System-board switches and jumpers” on page 51).

Notes:

1. Although an optional IXA adapter is not a hot-plug adapter, it can be installed

only in slots 5 and 6. It is a double width adapter that installs in slot 5 and spans slots 5 and 6.

2. You can install an optional ServeRAID-5i controller only in PCI-X slot 4. Slot 4 is

the only PCI-X slot that supports the ServeRAID-5i controller requirements. Install the ServeRAID-5i controller using the 3-U bracket that comes with the controller. However, if a ServeRAID-5i controller is installed and later removed,

64 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

you must re-enable the on-board SCSI controller in using the Configuration/Setup Utility program (see “Starting the Configuration/Setup Utility program” on page 15).

Complete the following steps to install a non-hot-plug PCI or PCI-X adapter:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

3. Determine which expansion slot you will use for the adapter.

4. If you are installing an adapter in PCI slot 1 or PCI-X slots 2 through 4, lift the tab on the expansion-slot cover. Continue with the next step.

If you are installing an adapter in PCI-X slot 5 or 6, slide the adapter-retention-latch release toward the rear of the server and hold it there while you lift the adapter-retention latch to the unlocked (open) position, as shown in the illustration at “Installing a hot-plug adapter (slots 5 and 6)” on page 62.

Attention: Expansion-slot covers must be installed on all empty slots. This

maintains the electronic emissions characteristics of the system and ensures proper cooling of system components.

5. Remove the expansion-slot cover from the server. Store it in a safe place for future use.

6. If you are installing an IXA adapter in slot 5 and 6, make sure that the IXA adapter jumper (J42) is installed between pins 2 and 3; otherwise, make sure it is installed between pins 1 and 2. (See “System-board switches and jumpers” on page 51 for the location of J42.)

7. If you are installing a full-length adapter, lift the adapter-retention clip on the adapter-support bracket. Otherwise, continue with the next step.

8. See the documentation that comes with your adapter for any cabling instructions. It might be easier for you to route cables before you install the adapter.

Attention: Avoid touching the components and gold-edge connectors on the

adapter.

9. Remove the adapter from the static-protective package.

10. Install the adapter: a. If you are installing a full-length adapter, remove the blue adapter guide (if

any) from the end of the adapter.

Chapter 4. Customer replaceable units 65

Adapter guide

b. Carefully grasp the adapter by its top edge or upper corners, and align it

with the expansion slot on the system board.

Attention: When you install an adapter in the server, be sure that it is

completely and correctly seated in the system-board connector. Incomplete insertion might cause damage to the system board or the adapter.

c. Press the adapter firmly into the expansion slot.

Note: If the server is subject to excessive movement or vibration, you can

secure the adapter with a screw: insert one of the backup expansion-slot screws (stored next to slot 1) through the top of the adapter bracket into the screw hole to secure the adapter before proceeding to the next step.

d. Lower the adapter-retention latch over the top corner of the adapter. In slot

5 or 6, make sure the latch is in the locked (closed) position.

11. If you installed a full-length adapter, close the adapter-retention clip on the adapter-support bracket. Otherwise, continue with the next step.

12. Connect any needed cables to the adapter.

Attention: When you route the cables, do not block the ventilated space

around any of the fans.

13. If you have other options to install or remove, do so now; otherwise, go to

“Installing the server bezel and left-side cover (tower model)” on page 100 or “Installing the server bezel and top cover (rack configuration)” on page 103.

Cabling example for a ServeRAID controller

You can install an optional IBM ServeRAID controller in your server to control the internal hot-swap hard disk drives. A ServeRAID controller can, for example, enable you to configure the internal hot-swap hard disk drives into disk arrays. The illustrations in this section show the cabling for internal hot-swap hard disk drives. You can also cable a ServeRAID adapter to external hard disk drives. See your ServeRAID controller option documentation for complete instructions for installing a ServeRAID controller in your server and for additional information about ServeRAID controllers.

66 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Notes:

1. This cabling example does not apply to the ServeRAID-5i controller, which uses the integrated SCSI controller with RAID capabilities on the system board.

2. An optional ServeRAID-5i controller can be installed only in PCI-X slot 4. Slot 4 is the only PCI-X slot that supports the ServeRAID-5i controller requirements.

3. Connections made to external SCSI devices will be asynchronous.

you are connecting the adapter to any internal SCSI backplane or device, you will

If need to purchase additional SCSI cables. Contact your IBM marketing representative or reseller for additional information about the number and types of cables that your server configuration requires.

Your server comes with one SCSI cable that can only be used with the integrated SCSI controller with RAID capabilities that is on the system board. One end of this SCSI cable is attached to the connector on the SCSI backplane, and the other end is attached to the SCSI channel A connector on the system board. The SCSI channel B connector on the system board is available for use, but the server does not come with a cable attached to it.

The following procedure describes the cable routing that is necessary when you install a ServeRAID controller other than ServeRAID-5i.

Notes:

1. See the documentation that comes with your adapter for any cabling instructions.

2. Cable identifiers are printed on the cables that come with your server and options. Use these identifiers to connect the cables to the correct connectors. For example, the hard disk drive cables are labeled “HDD option.”

Complete

1. Determine the number of SCSI channels that you want to use on the

the following steps to cable the ServeRAID controller:

ServeRAID controller.

2. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

3. Turn off the server and disconnect all power cords and external cables (“Turning off the server” on page 9); then, remove the server cover (see “Removing the server left-side cover and bezel (tower model)” on page 55 or “Removing the server top cover and bezel (rack configuration)” on page 57).

4. Lift the adapter-retention clip on top of the adapter-support bracket; then, remove the full-length adapters.

5. Lift and remove the plastic dividers from PCI-X slots 5 and 6 by lifting the ends of the dividers out of the adapter support bracket and tilting the dividers up out of the server.

6. Disconnect internal cables as necessary, remove the air-baffle assembly, and remove the adapter-support bracket from the server. For complete details, see “Removing and installing the adapter-support bracket” on page 58.

Note: Yo u must remove the air-baffle assembly whenever you remove the

7. Disconnect the internal SCSI cable from SCSI connector A (J44) or B (J51) on the system board. See “System-board internal cable connectors” on page 49 for the location of the SCSI connectors.

adapter-support bracket.

Chapter 4. Customer replaceable units 67

Note: The SCSI cables that come with your server can only be used with the

integrated SCSI controller with RAID capabilities. If a RAID controller other than the ServeRAID-5i is installed, you must use SCSI cables that are compatible with that controller. To select and order the correct cables for use with your RAID controller, contact your IBM reseller or IBM marketing representative.

8. Reinstall the adapter-support bracket in the server (see “Removing and installing the adapter-support bracket” on page 58).

Important: To ensure proper cooling and server operation, you must keep the

air-baffle cover closed.

Note: Yo u must reinstall the air-baffle assembly when you reinstall the

adapter-support bracket. Make sure that no cable is under the adapter-support bracket or interferes with the center fans.

9. Reinstall the plastic dividers between the Active PCI-X adapter slots.

10. Reinstall the adapters that you removed. If you have not yet installed the ServeRAID controller, install it now.

See “Installing a hot-plug adapter (slots 5 and 6)” on page 62 or “Installing a non-hot-plug adapter (any slot)” on page 64 for instructions for installing a hot-plug or non-hot-plug adapter; then, return to this step.

11. Replace the SCSI cable on the SCSI backplane with the SCSI cable for your

new ServeRAID controller. The SCSI cable being replaced was one of the cables that was disconnected from the system board in step 7 on page 67.

12. Route the free end of the SCSI cable from the SCSI backplane through the adapter-support bracket opening and toward the ServeRAID controller (see the illustration in step 13).

13. Attach the free end of the SCSI cable to the selected internal SCSI channel connector on the ServeRAID controller. Make sure that the other end of the SCSI cable is attached to the connector on the SCSI backplane.

Attention: When you route the SCSI cable, do not block the ventilated space

around any of the fans. The following illustration shows how to route one SCSI cable to the ServeRAID

controller.

68 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

ServeRAID adapter

SCSI connector A

SCSI cable

14. If you are connecting the adapter to a second SCSI backplane on the server, repeat steps 11 through 13 for the second backplane, and then continue with step 15. Otherwise, continue with step 15. The following illustration shows how to route two SCSI cables from backplanes to the ServeRAID controller (in PCI slot 3 in this illustration).

ServeRAID adapter

SCSI connector B

Note: If you plan to attach external SCSI devices, you must order additional

SCSI cable

SCSI cables. To select and order the correct cables for use with external devices, contact your IBM reseller or IBM marketing representative.

Chapter 4. Customer replaceable units 69

Working with the 3-Pack Ultra320 Hot-Swap Expansion option

Your server contains hardware that enables you to replace a failed hard disk drive without turning off the server. Therefore, you have the advantage of continuing to operate your system while a hard disk drive is removed or installed. These drives are known as hot-swap drives. The hot-swap drives are attached to a hot-swap hard disk drive backplane. The backplane is a printed circuit board behind the drive bays. For more information about drive bays and drive installation, see “Installing internal drives” on page 74. The low voltage differential (LVD) SCSI hot-swap hard disk drive backplane supports a maximum of six slim-high, hot-swap hard disk drives.

If you install the 3-Pack Ultra320 Hot-Swap Expansion option, you can attach up to three additional drives. All of these drives must be LVD hard disk drives that operate at 320 MB per second or lower. The optional 3-Pack Ultra320 Hot-Swap Expansion Kit contains a hot-swap hard disk drive backplane that you install adjacent to the standard hot-swap hard disk drive backplane. It also includes the SCSI cable you need to install the option. Your server supports a maximum of two hot-swap drive backplanes.

Note: All drives being used in the server should have the same throughput speed

rating: mixing speed ratings might cause all drives to operate at the lower throughput speed.

Do the following to configure the channels on the two SCSI backplanes:

v You can configure each SCSI channel (bus) independently. This is the typical

backplane configuration. In this configuration: – The hard disk drives that are connected to the standard backplane are

attached to channel A.

– The hard disk drives that are connected to the 3-Pack Ultra320 Hot-Swap

Expansion option backplane are attached to channel B.

Notes:

1. The standard LVD SCSI backplane is also known as the SCSI backplane or the

hot-swap hard disk drive backplane.

2. The SCSI backplane that comes with the 3-Pack Ultra320 Hot-Swap Expansion

Kit is also known as the 3-Pack backplane.

3. Table 8 on page 112 lists the SCSI identifiers (IDs) for the standard LVD SCSI

backplane and hard disk drives. Table 9 on page 112 lists the SCSI IDs for the 3-Pack backplane and hard disk drives.

4. Cable identifiers are printed on the cables that come with your server and

options. Use these identifiers to connect the cables to the correct connectors. For example, the hard disk drive cables are labeled “HDD option.”

5. For information about other options and using the 3-Pack Ultra320 Hot-Swap

Expansion option, see the documentation that comes with the option kit.

6. For additional information about cabling, see “Cabling example for a ServeRAID

controller” on page 66 and “Cabling the server” on page 106.

7. The SCSI cables that come with your server can only be used with the

integrated SCSI controller with RAID capabilities. If a RAID controller other than the ServeRAID-5i is installed, you must use SCSI cables that are compatible

70 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

with that controller. To select and order the correct cables for use with your RAID controller, contact your IBM reseller or IBM marketing representative.

Installing the 3-Pack Ultra320 Hot-Swap Expansion option

Notes:

1. The 3-Pack Ultra320 Hot-Swap Expansion Kit might contain some components that you will not need for this procedure. For information about the contents of this option kit, see the documentation that comes with the option kit.

2. The 3-Pack Ultra320 Hot-Swap Expansion option does not support use of a SCSI repeater card.

Complete the following steps to install the 3-Pack Ultra320 Hot-Swap Expansion option:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

3. If necessary, remove the air-baffle assembly, adapter-support bracket, adapters, and plastic dividers. See “Removing and installing the adapter-support bracket” on page 58 and “Working with adapters” on page 60 for additional information.

Attention: The server electromagnetic interference (EMI) integrity and

cooling are both protected by having the front bays covered or occupied. When you install the 3-Pack Ultra320 Hot-Swap Expansion option, save the filler panels from the bay, in case you later remove the 3-Pack Ultra320 Hot-Swap Expansion option and do not replace it with another device.

4. Remove the two filler panels from the removable-media bay opening. Store the filler panels for future use.

5. Remove the custom metal slide rails and screws that are inside the 5.25-inch removable-media drive bays. Store the slide rails and screws for future use.

6. Complete the following steps to attach the SCSI backplane to the drive cage:

Drive cage

a. Place the SCSI backplane on the rear of the cage with the hole and slot in

b. Attach the SCSI backplane to the drive cage using four short M3 x 5

SCSI backplane

Screws M3 x 5 (4)

the SCSI backplane aligned with the pins on the drive cage, making sure that the SCSI connector is at the top.

screws.

Chapter 4. Customer replaceable units 71

Note: The 3-Pack Hot-swap Hard Disk Drive Expansion Kit comes with

four long M3.5 x 7 screws and four short M3 x 5 screws. Make sure you secure the SCSI backplane to the drive cage with the short screws.

7. Align the 3-Pack Ultra320 Hot-Swap Expansion option with the empty

removable-media bay opening, adjacent to the standard hot-swap hard disk drive backplane.

8. Partially slide the 3-Pack Ultra320 Hot-Swap Expansion option into the guides through the front of the removable-media bay opening, as shown in the following illustration. Leave adequate room at the rear of the 3-Pack Ultra320 Hot-Swap Expansion option to connect the required cables.

Filler panel

3-Pack Ultra320

9. Locate the short SCSI cable that comes with this kit:

Hot-Swap Expansion option

Note: The SCSI cables that come with this kit can only be used with the

integrated SCSI controller with RAID capabilities. If a RAID controller other than the ServeRAID-5i isinstalled, you must use SCSI cables that are compatible with that controller. To select and order the correct cables for use with your RAID controller, contact your IBM marketing representative or authorized reseller.

a. Connect the end of the cable that is labeled “HDD backplane” to the new

3-Pack SCSI backplane as shown in the following illustration. (This illustration shows the rear connectors on the 3-Pack SCSI backplane, as viewed from the rear of the server.)

SCSI cable connector

SCSI power cable connector

I C cable connector

72 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

SCSI backplane

b. Connect the other end of the cable to the SCSI connector on the system

board if you are using the integrated SCSI controller with RAID capabilities. If you are using an optional RAID controller other than the ServeRAID-5i, connect the other end of the cable to the SCSI connector on this RAID controller.

c. Secure both cable ends with the retention clips on the SCSI connectors.

10. Locate the I2C cable that comes with this kit.

Note: Both I2C cable connectors are the same, enabling this cable to be

connected in either direction. a. Connect one of the I2C cable connectors to the SCSI backplane. b. Connect the other I2C cable connectors to the new 3-Pack SCSI

backplane. See the illustration in step 9 on page 72 for the cable connector location.

11. Connect the end of the power-supply power cable that is labeled “HDD2” to the new 3-Pack backplane. See the illustration in step 9 for the cable connector location.

12. Slide the 3-Pack Ultra320 Hot-Swap Expansion option into the server until it

stops. Secure the 3-Pack Ultra320 Hot-Swap Expansion option to the server with the four screws that come with it.

13. If you removed the air-baffle assembly, adapters, plastic dividers, and

adapter-support bracket in step 3 on page 71, reinstall them (see “Removing and installing the adapter-support bracket” on page 58).

Note: Make sure that no cable is under the adapter-support bracket or

interferes with the center fans.

14. Install additional internal hot-swap hard disk drives in the 3-Pack Ultra320

Hot-Swap Expansion option (see “Installing a hot-swap hard disk drive” on page 77).

Note: The 3-Pack backplane sets the SCSI IDs for these hot-swap hard disk

drives. See “SCSI IDs” on page 111 for additional information.

15. If you have other options to install or remove, do so now; otherwise, go to

“Installing the server bezel and left-side cover (tower model)” on page 100 or “Installing the server bezel and top cover (rack configuration)” on page 103.

Chapter 4. Customer replaceable units 73

Installing internal drives

If you add different types of drives, your system can read multiple types of media and store more data. Several types of drives are available, such as:

v Diskette v Hard disk v CD-ROM v DVD-ROM v Tape, including digital linear tape (DLT), super digital linear tape (SDLT), and

linear tape-open (LTO)

The server supports both internal and external tape drives.

Note:

Each hot-swap drive has two indicator LEDs (see “Server controls and indicators” on page 4). If the amber hard disk status LED for a drive is lit continuously, that individual drive is faulty and requires replacement. When the hard disk drive status LED indicates a drive fault, you can replace a hot-swap drive without turning off the server.

Each hot-swap drive that you plan to install must be mounted in a hot-swap-drive tray. The drive must have a Single Connector Attachment (SCA) connector. Hot-swap-drive trays come with hot-swap drives.

74 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Internal drive bays

Internal drives are installed in bays.

Tower model

Non-hot-swap

Hot-swap bays

bay A

bay B

bay C

USB connector

Non-hot-swap bay D

SCSI ID 5

Hard disk drive activity light

Hard disk drive status light

SCSI ID 4

SCSI ID 3

SCSI ID 2

SCSI ID 1

SCSI ID 0

Rack configuration

SCSI ID 0

SCSI ID 1

SCSI ID 3

SCSI ID 2

Hot-swap bays

SCSI ID 4

SCSI ID 5

Non-hot-swap bay A

Non-hot-swap bay B

Non-hot-swap bay C

Non-hot-swap bay D

USB connector

Hard disk drive

activity light Hard disk drive status light

Note: The SCSI IDs for the hot-swap drives are printed on the bezel, immediately

adjacent to the hot-swap drive bays (see Table 8 on page 112).

v Your server comes with one 3.5-inch, 1.44 MB diskette drive. v Your server also comes with one integrated drive electronics (IDE) CD-ROM

drive. The CD-ROM drive bay supports a 5.25-inch, half-high, removable-media drive.

v You can install two additional 5.25-inch, half-high, removable-media drives or one

additional 5.25-inch, full-high, removable-media drive in the removable-media drive bays (A and B). The server supports full-high and half-high DLT, SDLT, and

Chapter 4. Customer replaceable units 75

LTO drives. For a list of supported options for your server, go to http://www.ibm.com/pc/us/compat/ on the World Wide Web.

A three-drop power signal cable and a one-drop IDE cable come attached to the CD-ROM drive. Use this power signal cable to connect the removable-media drives. The one-drop SCSI signal cable that comes with your server will need to be replaced with a two-drop SCSI signal cable to provide a signal connection to the removable-media drives.

v You cannot install hot-swap drives in the removable-media or non-hot-swap drive

bays on the front side of the server, unless you install the 3-Pack Ultra320 Hot-Swap Expansion option.

v Your server supports a maximum of six 1-inch (26 mm) slim-high, 3.5-inch,

hot-swap hard disk drives in the standard hot-swap bays. In the tower model, the hot-swap bays are arranged vertically in the standard hard disk drive cage; the bay numbers are 0 through 5 (from bottom to top). In the rack configuration, the hot-swap bays are arranged horizontally in the standard hard disk drive cage; the bay numbers are 0 through 5 (from left to right). In the tower model, bays 0 through 5 are below the removable-media drive bays. In the rack configuration, bays 0 through 5 are to the left of the removable-media drive bays.

Notes:

1. To minimize the possibility of damage to the hard disk drives when you are installing them in a rack configuration, install the server in the rack before installing the hard disk drives.

2. You do not have to turn off the server to install hot-swap drives in the hot-swap drive bays. However, you must turn off the server when performing any steps that involve installing or removing cables.

3. You can install three additional hot-swap hard disk drives in the server after you install the 3-Pack Ultra320 Hot-Swap Expansion option (see “Working with the 3-Pack Ultra320 Hot-Swap Expansion option” on page 70). These drives are in the optional hard disk drive cage. The SCSI IDs are listed in Table 8 on page

112.

4. Some filler panels might come with a slim filler.

76 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Installing a hot-swap hard disk drive

The following illustration shows how to install a hot-swap hard disk drive.

Complete the following steps to install a drive in a hot-swap bay.

Attention: To maintain proper system cooling, do not operate the server for more

than 10 minutes without either a drive or a filler panel installed for each bay.

All hot-swap drives being used in the server should have the same

Note:

throughput speed rating; mixing speed ratings might cause all drives to operate at the lower throughput speed.

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

2. Remove the filler panel from one of the empty hot-swap bays.

3. Install the hard disk drive in the hot-swap bay: a. Ensure that the tray handle is open (that is, perpendicular to the drive). b. Align the drive assembly with the guide rails in the bay. c. Gently push the drive assembly into the bay until the drive stops. d. Push the tray handle to the closed (locked) position. e. Check the hard disk drive status indicator to verify that the hard disk drive is

operating properly. If the amber hard disk drive status LED for a drive is lit continuously, that

drive is faulty and needs to be replaced. If the green hard disk drive activity LED is flashing, the drive is being accessed.

Slim filler panel

Hard disk drive

Drive tray

Drive tray handle (in open position)

Note:

If your server is configured for RAID operation using the integrated SCSI

controller with RAID capabilities or an optional ServeRAID controller, you might need to reconfigure your disk arrays after installing hard disk drives. See the ServeRAID documentation on the IBM ServeRAID

Support CD for additional information on RAID operation and complete

instructions for using ServeRAID Manager.

Chapter 4. Customer replaceable units 77

Installing a 5.25-inch removable-media drive

Your server also comes with one integrated drive electronics (IDE) CD-ROM drive. The CD-ROM drive bay supports a 5.25-inch, half-high, removable-media drive.

You can install two additional 5.25-inch, half-high, removable-media drives or one additional 5.25-inch, full-high, removable-media drive in the removable-media drive bays (A and B).

A three-drop power cable comes with your server. Use this cable to connect power to the removable-media drives. The one-drop SCSI signal cable that comes with your server will need to be replaced with a two-drop SCSI signal cable to provide a signal connection to the removable-media drives.

Note: The SCSI cables that come with your server can only be used with the

integrated SCSI controller with RAID capabilities. If a RAID controller other than the ServeRAID-5i isinstalled, you must use SCSI cables that are compatible with that controller. To select and order the correct cables for use with your RAID controller, contact your IBM reseller or IBM marketing representative.

Check the instructions that come with the drive to see if you need to set any switches or jumpers on the drive.

Complete the following steps to install a removable-media drive in bay A or B (see “Internal drive bays” on page 75):

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

3. Choose the bay in which you want to install the drive.

4. Remove the filler panel from the removable-media bay opening. Store the filler panel for future use.

Note: The server electromagnetic interference (EMI) integrity and cooling are

both protected by having the front bays covered or occupied. When you install a drive, save the filler panel from the bay, in case you later remove the drive and do not replace it with another.

5. Touch the static-protective package that contains the drive to any unpainted metal surface on the server; then, remove the drive from the package and place it on a static-protective surface.

6. Set any jumpers or switches on the drive according to the documentation that comes with the drive.

7. Install the drive: See the following illustration when installing a 5.25-inch removable-media

drive.

Note: Use the blue plastic slide rails that come with the server as described in

78 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

this step, unless the drive comes with custom metal slide rails.

If you are installing an SDLT drive, use the custom metal slide rails and screws that come with the option package. Follow the installation instructions that come with the option package; then, continue with step 7c.

If you are installing a full-high DLT drive, use the custom metal slide rails and screws that are inside the 5.25-inch removable-media drive bays. Follow the installation instructions that come with the option package; then, continue with step 7d.

Blue slide rails

Filler panel

Non-hot-swap bay

Non-hot-swap drive

Slide rails

a. Remove the blue snap-on slide rails from inside the filler panel. b. Clip the slide rails onto the sides of the drive. c. Store the filler panel for later use. d. Align the slide rails on the drive with the guide rails in the bay; then, slide

the drive into the bay until it snaps into place.

8. Replace the one-drop SCSI signal cable in your server with a two-drop SCSI

signal cable, connecting the additional connector on the two-drop SCSI signal cable to the rear of the removable-media drive.

9. Connect a power cable to the back of the drive. A three-drop power cable for removable-media drives comes installed in your server. It is attached to the standard CD-ROM drive. The connectors are keyed and can be inserted only one way.

10. If you have other options to install or remove, do so now; otherwise, go to “Completing the installation” on page 99.

Memory technology transition

IBM xSeries 235 is making a transition from 128 Mb to 256 Mb memory technology for 256 MB dual inline memory modules (DIMMs). To accommodate this transition, additional xSeries models are now available. These new models come with two 256 MB capacity, 256 Mb technology DIMMs. The Chipkill with the 256 MB capacity, 128 Mb technology DIMMs is not supported with the 256 Mb technology DIMMs. If you require DIMMs that support the Chipkill feature, a limited supply of the 256 MB, 128 Mb technology DIMMs will be available for order. In addition, IBM will continue to offer the Chipkill feature with DIMMs that have a capacity of 512 MB or greater.

™

feature that is supported

Chapter 4. Customer replaceable units 79

Installing memory modules

Adding memory to your server is an easy way to make programs run faster. You can increase the amount of memory in your server by installing memory-module options. When you install memory, you must install a pair of matched dual inline memory modules (DIMMs).

Notes:

1. The system board contains 6 DIMM connectors and supports two-way memory interleaving.

2. The DIMM options available for your server are 128 MB, 256 MB, 512 MB, and 1 GB. Your server supports a minimum of 256 MB and a maximum of 6 GB of system memory.

3. The amount of usable memory will be reduced depending on the system configuration. A certain amount of memory must be reserved for system resources. The BIOS will display the total amount of installed memory and the amount of configured memory.

4. When you install additional DIMMs, be sure to install them in pairs. Both of the DIMMs in a single pair must be the same size, speed, type and technology. You can mix compatible DIMMs from various manufacturers.

5. Each DIMM pair does not have to contain DIMMs of the same size, speed, type, and technology as the first pair.

6. Install only 133 MHz/266 MHz, 2.5 V, 184-pin, double-data-rate (DDR), PC2100, registered synchronous dynamic random-access memory (SDRAM) with error correcting code (ECC) DIMMs. These DIMMs must be compatible with the latest PC2100 SDRAM Registered DIMM specification. For a list of supported options for your server, go to http://www.ibm.com/us/compat/ on the World Wide Web.

7. Your server supports Chipkill memory if the DIMMs are all type x4 and are larger than 128 MB. Using any 128 MB DIMMs, or DIMMs that are not type x4, on your server disables Chipkill memory.

8. You do not need to save new configuration information when installing or removing DIMMs. The only exception is if you replace a faulty DIMM that was marked as Disabled in the Memory Settings menu. In this case, you need to re-enable that memory row in the Configuration/Setup Utility or reload the default memory settings (see “Choices available from the Configuration/Setup main menu” on page 16).

Install the DIMMs in the order shown in the following table.

Table 7. DIMM installation sequence

Pair DIMM connectors Diagnostic reference

First 6 and 5 (J15, J14) Bank 3 Second 4 and 3 (J12, J11) Bank 2 Third 2 and 1 (J9, J7) Bank 1

The following illustration shows the DIMM connector locations and how to install DIMMs on the system board.

80 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

DIMM 6 (J15)

DIMM 5 (J14)

DIMM 4 (J12)

DIMM 3 (J11)

DIMM 2 (J9)

DIMM 1 (J7)

Before you begin, read the documentation that comes with your option.

Complete the following steps to install a DIMM:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

3. Open the cover on the air-baffle assembly.

Air-baffle assembly cover

Note: It is not necessary to remove the air-baffle assembly to perform this step.

Chapter 4. Customer replaceable units 81

4. Locate the DIMM connectors on the system board. Determine the connectors into which you will install the DIMMs. (See Table 7 on page 80 for the correct DIMM installation sequence.)

5. Touch the static-protective package that contains the DIMM option to any unpainted metal surface on the server. Then, remove the DIMM from the package.

6. To install the DIMMs, repeat the following steps for each DIMM that you install: a. Turn the DIMM so that the DIMM keys align correctly with the connector on

the system board.

Attention: To avoid breaking the retaining clips or damaging the DIMM

connectors, handle the clips gently.

b. Insert the DIMM by pressing the DIMM straight into the connector. Be sure

that the retaining clips snap into the closed positions.

Note: If a gap exists between the DIMM and the retaining clips, the DIMM

has not been properly installed. In this case, open the retaining clips and remove the DIMM; then, reinsert the DIMM.

7. Close the cover on the air-baffle assembly.

8. If you have other options to install or remove, do so now; otherwise, go to “Installing the server bezel and left-side cover (tower model)” on page 100 or “Installing the server bezel and top cover (rack configuration)” on page 103.

Installing an additional microprocessor

Your server comes with one or two microprocessors installed on the system board. Your server supports up to two microprocessors. With two microprocessors, your server can operate as a symmetric multiprocessing (SMP) server. With SMP, certain operating systems and application programs can distribute the processing load among the microprocessors. If your server comes with one microprocessor, you can install a second microprocessor.

Before you begin:

v Thoroughly review the documentation that comes with the microprocessor to

determine the required BIOS update. The latest level of BIOS code for your server is available through the World Wide Web (see “Recovering the BIOS code” on page 40).

v (Optional) Obtain an SMP-capable operating system. For a list of supported

operating systems and other options, go to http://www.ibm.com/pc/us/compat/ on the World Wide Web.

82 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Attention:

v To ensure proper server operation when you install an additional microprocessor,

use microprocessors that have the same cache size and type, and the same clock speed. Microprocessor internal and external clock frequencies must be identical. You can use the Configuration/Setup Utility program in your server to determine the specific type of microprocessor on your system board.

v Some models of the xSeries 235 are designed for 400 MHz microprocessors

while others are designed for 533 MHz microprocessors. An attempt to plug a 400 MHz microprocessor into a system board designed for a 533 MHz processor may damage the components.

v If the CR14 LED on the system board is illuminated (see “System-board LED

locations” on page 53), it indicates a microprocessor mismatch.

a list of microprocessors supported by your server, see the ServerProven

For

list

at http://www.ibm.com/pc/us/compat/ on the World Wide Web.

Important: A boot processor must always be installed in socket U13 of the system

board.

Notes:

1. To order additional microprocessor options, contact your IBM reseller or IBM marketing representative.

2. When you install a microprocessor in socket U9, you must also install the voltage regulator module (VRM) that comes with the microprocessor, in VRM connector J1.

3. The microprocessor sockets in this server contain built-in termination for the microprocessor bus; therefore, terminator cards are not required for empty microprocessor sockets. However, for airflow, an empty microprocessor socket must contain a microprocessor baffle.

4. The microprocessor speeds are automatically set for this server; therefore, you do not need to set any microprocessor frequency-selection jumpers or switches.

5. If you need to remove a microprocessor, see “Microprocessor removal” on page

117.

The following illustration is a simplified layout of the microprocessor connector locations and other microprocessor-related components on the system board.

Attention: The speed of the microprocessor must match the speed of the system

board. The 533 MHz system board is identified as shown in the following illustration; the 400 MHz system board is not marked.

Chapter 4. Customer replaceable units 83

VRM 2 (J1)

Microprocessor 2 (U9)

Microprocessor 1 (U13)

VRM 1 (J17)

System board identification (some models)

CPU ONLY

533 MNz FSB

Note: For additional illustrations of the system-board components, see

“System-board option connectors” on page 48.

Complete the following steps to install an additional microprocessor:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

3. Open the cover on the air-baffle assembly. (See the illustration following step 3 on page 81, if needed.)

Note: It is not necessary to remove the air-baffle assembly to perform this

step.

4. Locate the second microprocessor socket (connector U27) on the system board.

5. Remove the microprocessor baffle from the microprocessor socket.

6. Remove the protective cover, tape or label from the surface of the microprocessor socket, if present.

84 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Microprocessor 2

Microprocessor baffle

Heatsink 2

Captive screws

VRM 2

DIMMs

Microprocessorrelease lever

7. Install a VRM in the corresponding VRM connector (J1): a. Center the VRM over the connector. Make sure that the VRM is oriented

and aligned correctly.

b. Carefully but firmly push down the VRM clip handle to seat the VRM in the

connector.

c. Make sure that the VRM clip locks on the VRM connector at both sides.

CAUTION: You must lift up the microprocessor-release lever before inserting the microprocessor into the socket. Inserting the microprocessor into the socket without lifting up the microprocessor-release lever can damage the microprocessor and system board.

8. Install the microprocessor: a. Touch the static-protective package containing the new microprocessor to

any unpainted metal surface on the server; then, remove the microprocessor from the package.

b. Rotate the locking lever on the microprocessor socket from its closed and

locked position until it stops or clicks in the fully open position (approximately 135° angle), as shown. Then, see the documentation provided with the microprocessor option for complete installation instructions.

Attention: You must ensure that the locking lever on the microprocessor

socket is in the fully open position before you insert the microprocessor in the socket. Failure to do so might result in permanent damage to the microprocessor, microprocessor socket, and system board.

Chapter 4. Customer replaceable units 85

Lever closed

c. Center the microprocessor over the microprocessor socket. Align the

triangle on the corner of the microprocessor with the triangle on the corner of the socket and carefully press the microprocessor into the socket.

Attention:

v Do not use excessive force when pressing the microprocessor into the

socket.

v Make sure that the microprocessor is oriented and aligned correctly with

pin number 1 in the socket before you try to close the microprocessor-release lever. The following illustration shows the alignment marks for both microprocessors and sockets.

Microprocessor 2

Lever fully open

Microprocessor 1

Alignment marks

Microprocessor

socket 2 Microprocessor socket 1

d. Carefully close the microprocessor-release lever to secure the

microprocessor in the socket.

9. Install a heat sink on the microprocessor:

a. Remove the protective film from the bottom of the heat sink.

86 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

Notes:

1) Do not set the heat sink down after you remove the protective film.

Thermal grease

Heat sink

2) Do not touch the thermal grease on the bottom of the heat sink.

Touching the thermal grease will contaminate it. If the thermal grease on the microprocessor or heat sink becomes contaminated, contact your service technician.

Align and place the heat sink on top of the microprocessor (grease side

down) in the retention bracket. Press firmly on the heat sink.

c. Secure the heat sink to the microprocessor by tightening the captive

screws. Alternate between the two captive screws in the heat sink while tightening them.

Attention: Alternate the tightening of the two captive screws to prevent

damage to the microprocessor. Ensure that the screws are completely tightened (until they stop); otherwise, damage to the microprocessor will occur.

10. Close the cover on the air-baffle assembly.

11. If you have other options to install or remove, do so now; otherwise, go to “Installing the server bezel and left-side cover (tower model)” on page 100 or “Installing the server bezel and top cover (rack configuration)” on page 103.

Replacing a hot-swap power supply

Some models of your server come with two hot-swap power supplies. Yo u do not need to turn off the server to replace a hot-swap power supply, but you must replace only one power supply at a time.

I/O cable-restraint bracket

Hot-swap power supply 2

Release latch

Handle

AC power LED

DC power LED

Hot-swap power supply 1

Power-cord restraint bracket

Chapter 4. Customer replaceable units 87

Before you continue with the power-supply replacement procedure, review the following.

Notes:

1. Two cable-restraint brackets are on the rear of the tower model servers. After you connect the cables to the selected devices, you can use these cable-restraint brackets to manage the cable routing. Route the power cords through the power-cord restraint bracket on the bottom. Route the remaining cables (for example, the cables that are connected to the I/O ports) through the I/O cable-restraint bracket on the top.

If you install or remove a power supply, observe the following precautions.

Statement 8

CAUTION:

Never remove the cover on a power supply or any part that has the following label attached.

Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician.

Complete the following steps to replace a hot-swap power supply:

1. Review the information in “Installation guidelines” on page 45, “Handling static-sensitive devices” on page 46, and “Safety information” on page 169.

2. Unplug the power cord from the selected power supply.

3. Remove the old power supply.

88 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

I/O cable-restraint bracket

Power supply

Power-supply handle (in open position)

Power-cord restraint bracket

a. Press the orange release lever and pull the power-supply handle. This

moves the power supply out of the power-supply bay slightly.

b. Pull the power supply out of the bay and set it aside.

Install the replacement power supply.

Power supply

I/O cable-restraint bracket

a. Make sure the handle on the power supply is in the open position, hanging

b. Slide the power supply all the way into the chassis; then, press the handle

Power-supply handle (half open position)

Power-cord restraint bracket

loosely.

to the closed position until it clicks into place.

Chapter 4. Customer replaceable units 89

5. Plug one end of the power cord into the corresponding connector on the power supply; then, plug the other end of the power cord into a properly grounded electrical outlet.

Note: Yo u can route the power cord through the power-cord restraint bracket

on the rear of the server (tower model only).

6. If the server is not on, turn on the server.

7. Verify that the dc power LED and the ac power LED on the power supply are lit, indicating that the power supply is operating properly.

Installing a hot-swap power-supply option

Your server comes with one fixed power supply or two hot-swap power supplies, depending on the server model. If your server has one fixed power supply, you can replace it with the hot-swap power-supply option, giving you two hot-swap power supplies. The two hot-swap power supplies provide power redundancy.

One fixed power supply

AC power LED (green)

DC power LED (green)

NMI button

(service use only)

Two hot-swap power supplies

Fan 1 LED

Fan 2 LED

Ethernet link status LED

PCI-X slot 5 attention LED

PCI-X slot 6 attention LED

90 xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide

IBM 8671, eServer xSeries 235 Type 8671 Maintenance And Troubleshooting Manual

Specifications and Main Features

Frequently Asked Questions

User Manual