ERserver
xSeries 255 Type 8685
Hardware Maintenance Manual and Troubleshooting
Guide
ER s e r v e r
xSeries 255 Type 8685
Hardware Maintenance Manual and Troubleshooting
Guide
Note
Before using this information and the product it supports, be sure to read Appendix C, “Notices,” on
page 209.
14th Edition (June 2005)
The following paragraph does not apply to the United Kingdom or any country where such provisions are
inconsistent with local law:
INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION ″ AS IS″ WITHOUT
WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow
disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you.
This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the
information herein; these changes will be incorporated in new editions of the publication. IBM may make
improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time.
This publication was developed for products and services offered in the United States of America. IBM may not offer
the products, services, or features discussed in this document in other countries, and the information is subject to
change without notice. Consult your local IBM representative for information on the products, services, and features
available in your area.
Requests for technical information about IBM products should be made to your IBM reseller or IBM marketing
representative.
© Copyright International Business Machines Corporation 2002. All rights reserved.
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 160 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 167.
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.
255.
®
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.
© Copyright IBM Corp. 2002 iii
iv xSeries 255 Type 8685: 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 . . . . . . . . . . . . . . . . . . . . . . . . . .5
Turning on the server . . . . . . . . . . . . . . . . . . . . . .6
Turning off the server . . . . . . . . . . . . . . . . . . . . . .8
Standby mode . . . . . . . . . . . . . . . . . . . . . . . .8
Chapter 2. Configuration . . . . . . . . . . . . . . . . . . . . .11
Using the Configuration/Setup Utility program . . . . . . . . . . . . . .11
Starting the Configuration/Setup Utility program . . . . . . . . . . . .11
Choices available from the Configuration/Setup Utility main menu . . . . .11
Additional Configuration/Setup Utility menu choices . . . . . . . . . .15
Using passwords . . . . . . . . . . . . . . . . . . . . . . .16
Using the SCSISelect utility program . . . . . . . . . . . . . . . . .18
Starting the SCSISelect utility program . . . . . . . . . . . . . . .18
Choices available from the SCSISelect menu . . . . . . . . . . . . .18
Using the ServerGuide Setup and Installation CD . . . . . . . . . . . .20
ServerGuide features . . . . . . . . . . . . . . . . . . . . .20
Setup and configuration overview . . . . . . . . . . . . . . . . .21
System Partition . . . . . . . . . . . . . . . . . . . . . . .22
Typical NOS installation . . . . . . . . . . . . . . . . . . . .22
Setting up or updating multiple servers . . . . . . . . . . . . . . .23
Installing your NOS without ServerGuide . . . . . . . . . . . . . .23
Configuring the Gigabit Ethernet controller . . . . . . . . . . . . . . .23
High-performance Ethernet modes . . . . . . . . . . . . . . . . .24
Ethernet port connector . . . . . . . . . . . . . . . . . . . . .24
Chapter 3. Diagnostics . . . . . . . . . . . . . . . . . . . . .25
General checkout . . . . . . . . . . . . . . . . . . . . . . . .25
Diagnostic tools overview . . . . . . . . . . . . . . . . . . . . .27
POST error logs . . . . . . . . . . . . . . . . . . . . . . . .27
Viewing error logs from the Configuration/Setup Utility program . . . . . .28
Viewing error logs from diagnostic programs . . . . . . . . . . . . .28
Diagnostic programs and error messages . . . . . . . . . . . . . . .28
Text messages . . . . . . . . . . . . . . . . . . . . . . . .28
Starting the diagnostic programs . . . . . . . . . . . . . . . . .29
Diagnostic error message tables . . . . . . . . . . . . . . . . .30
Identifying problems using status LEDs . . . . . . . . . . . . . . . .30
LEDs for Active PCI slots . . . . . . . . . . . . . . . . . . . .31
Power-supply LEDs . . . . . . . . . . . . . . . . . . . . . .31
Light path diagnostics . . . . . . . . . . . . . . . . . . . . .32
Error symptoms . . . . . . . . . . . . . . . . . . . . . . . .33
Error symptom charts . . . . . . . . . . . . . . . . . . . . .33
Small computer system interface messages . . . . . . . . . . . . .33
Memory errors . . . . . . . . . . . . . . . . . . . . . . . .34
© Copyright IBM Corp. 2002 v
ServerGuide error symptoms . . . . . . . . . . . . . . . . . . .34
Power checkout . . . . . . . . . . . . . . . . . . . . . . .35
Troubleshooting the Ethernet controller . . . . . . . . . . . . . . .35
Recovering the BIOS code . . . . . . . . . . . . . . . . . . . .37
Chapter 4. Customer replaceable units . . . . . . . . . . . . . . .39
Before you begin . . . . . . . . . . . . . . . . . . . . . . . .39
System reliability considerations . . . . . . . . . . . . . . . . .39
Working inside the server with the power on . . . . . . . . . . . . .39
Handling static-sensitive devices . . . . . . . . . . . . . . . . .40
Major components of the xSeries 255 Type 8685 server . . . . . . . . . .40
System-board component locations . . . . . . . . . . . . . . . . .42
System-board option connectors . . . . . . . . . . . . . . . . .42
System-board internal cable connectors . . . . . . . . . . . . . . .43
System-board external port connectors . . . . . . . . . . . . . . .44
System-board switches and jumpers . . . . . . . . . . . . . . . .45
System-board LED locations . . . . . . . . . . . . . . . . . . .47
Memory-board component locations . . . . . . . . . . . . . . . .48
Removing the top cover and bezel . . . . . . . . . . . . . . . . . .49
Removing the top cover (all models) . . . . . . . . . . . . . . . .49
Removing the bezel (rack model) . . . . . . . . . . . . . . . . .49
Removing the bezel (tower model) . . . . . . . . . . . . . . . . .50
Working with adapters . . . . . . . . . . . . . . . . . . . . . .51
Adapter considerations . . . . . . . . . . . . . . . . . . . . .51
Installing an adapter . . . . . . . . . . . . . . . . . . . . . .53
Cabling a RAID or SCSI adapter . . . . . . . . . . . . . . . . .56
Working with the optional xSeries 6-Pack Hot-Swap Hard Drive Expansion Kit 61
Installing the optional 6-Pack hot-swap drive backplane . . . . . . . . .63
Installing internal drives . . . . . . . . . . . . . . . . . . . . . .71
Internal drive bays . . . . . . . . . . . . . . . . . . . . . .71
Installing a hot-swap hard disk drive . . . . . . . . . . . . . . . .73
Installing a 5.25-inch removable-media drive . . . . . . . . . . . . .74
Installing memory modules . . . . . . . . . . . . . . . . . . . .80
Installing an additional microprocessor . . . . . . . . . . . . . . . .87
Installing a hot-swap power supply . . . . . . . . . . . . . . . . .96
Replacing a hot-swap fan . . . . . . . . . . . . . . . . . . . . .99
Replacing an internal fan . . . . . . . . . . . . . . . . . . . . 100
Replacing an external fan . . . . . . . . . . . . . . . . . . . 101
Replacing the battery . . . . . . . . . . . . . . . . . . . . . . 101
Completing the installation . . . . . . . . . . . . . . . . . . . . 104
Installing the top cover and bezel . . . . . . . . . . . . . . . . . 105
Updating your server configuration . . . . . . . . . . . . . . . . 107
Connecting external options . . . . . . . . . . . . . . . . . . . . 107
SCSI cabling requirements . . . . . . . . . . . . . . . . . . . 108
Input/output connectors . . . . . . . . . . . . . . . . . . . . . 108
Video port . . . . . . . . . . . . . . . . . . . . . . . . . 109
Keyboard port . . . . . . . . . . . . . . . . . . . . . . . . 109
Auxiliary-device (pointing device) port . . . . . . . . . . . . . . .110
Ultra160 SCSI connectors . . . . . . . . . . . . . . . . . . .110
Serial ports . . . . . . . . . . . . . . . . . . . . . . . . .112
Universal Serial Bus ports . . . . . . . . . . . . . . . . . . .113
Gigabit Ethernet port . . . . . . . . . . . . . . . . . . . . .113
Integrated system management processor (ISMP) interconnect ports . . .114
Cabling the server . . . . . . . . . . . . . . . . . . . . . .114
Chapter 5. Service replaceable units . . . . . . . . . . . . . . . .117
vi xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Microprocessor removal . . . . . . . . . . . . . . . . . . . . .117
SCSI backplane . . . . . . . . . . . . . . . . . . . . . . . .118
Hot-swap board . . . . . . . . . . . . . . . . . . . . . . . .119
Front-panel assembly . . . . . . . . . . . . . . . . . . . . . . 120
Power backplane . . . . . . . . . . . . . . . . . . . . . . . 121
AC power box . . . . . . . . . . . . . . . . . . . . . . . . . 122
System board and shuttle . . . . . . . . . . . . . . . . . . . . 123
Thermal grease . . . . . . . . . . . . . . . . . . . . . . . . 125
Chapter 6. Symptom-to-FRU index . . . . . . . . . . . . . . . . 127
Beep symptoms . . . . . . . . . . . . . . . . . . . . . . . . 127
No-beep symptoms . . . . . . . . . . . . . . . . . . . . . . . 130
Diagnostic panel system error LED . . . . . . . . . . . . . . . . . 130
Diagnostic error codes . . . . . . . . . . . . . . . . . . . . . 133
Error symptoms . . . . . . . . . . . . . . . . . . . . . . . . 138
Power-supply LED errors . . . . . . . . . . . . . . . . . . . . . 145
POST error codes . . . . . . . . . . . . . . . . . . . . . . . 146
Service processor error codes . . . . . . . . . . . . . . . . . . . 153
SCSI error codes . . . . . . . . . . . . . . . . . . . . . . . 153
Temperature error messages . . . . . . . . . . . . . . . . . . . 153
Fan error messages . . . . . . . . . . . . . . . . . . . . . . 154
Power error messages . . . . . . . . . . . . . . . . . . . . . 154
System shutdown . . . . . . . . . . . . . . . . . . . . . . . 155
Voltage related system shutdown . . . . . . . . . . . . . . . . . 155
Temperature related system shutdown . . . . . . . . . . . . . . . 155
DASD checkout . . . . . . . . . . . . . . . . . . . . . . . . 156
Host built-in self test (BIST) . . . . . . . . . . . . . . . . . . . . 156
Bus fault messages . . . . . . . . . . . . . . . . . . . . . . . 156
Undetermined problems . . . . . . . . . . . . . . . . . . . . . 157
Problem determination tips . . . . . . . . . . . . . . . . . . . . 158
Chapter 7. Parts listing, Type 8685 . . . . . . . . . . . . . . . . 159
System . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
Keyboard CRUs . . . . . . . . . . . . . . . . . . . . . . . . 162
Power cord CRUs . . . . . . . . . . . . . . . . . . . . . . . 163
Appendix A. Getting help and technical assistance . . . . . . . . . . 165
Before you call . . . . . . . . . . . . . . . . . . . . . . . . 165
Using the documentation . . . . . . . . . . . . . . . . . . . . . 165
Getting help and information from the World Wide Web . . . . . . . . . 165
Software service and support . . . . . . . . . . . . . . . . . . . 166
Hardware service and support . . . . . . . . . . . . . . . . . . . 166
Appendix B. Related service information . . . . . . . . . . . . . . 167
Safety information . . . . . . . . . . . . . . . . . . . . . . . 167
General safety . . . . . . . . . . . . . . . . . . . . . . . 167
Electrical safety . . . . . . . . . . . . . . . . . . . . . . . 168
Safety inspection guide . . . . . . . . . . . . . . . . . . . . 169
Handling electrostatic discharge-sensitive devices . . . . . . . . . . 170
Grounding requirements . . . . . . . . . . . . . . . . . . . . 170
Safety notices (multilingual translations) . . . . . . . . . . . . . . 170
Appendix C. Notices . . . . . . . . . . . . . . . . . . . . . . 209
Edition notice . . . . . . . . . . . . . . . . . . . . . . . . . 209
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Important notes . . . . . . . . . . . . . . . . . . . . . . . . 210
Contents vii
Product recycling and disposal . . . . . . . . . . . . . . . . . . .211
Battery return program . . . . . . . . . . . . . . . . . . . . . .211
Electronic emission notices . . . . . . . . . . . . . . . . . . . . 212
Federal Communications Commission (FCC) statement . . . . . . . . 212
Industry Canada Class A emission compliance statement . . . . . . . . 212
Australia and New Zealand Class A statement . . . . . . . . . . . . 212
United Kingdom telecommunications safety requirement . . . . . . . . 212
European Union EMC Directive conformance statement . . . . . . . . 212
Taiwanese Class A warning statement . . . . . . . . . . . . . . . 213
Chinese Class A warning statement . . . . . . . . . . . . . . . . 213
Japanese Voluntary Control Council for Interference (VCCI) statement 213
viii xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Chapter 1. General information
The IBM Eserver xSeries 255 Type 8685 server, which features IBM
X-Architecture
™™
technology, is a high-performance server that 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.
If you have access to the World Wide Web, you can obtain up-to-date information
about your server model 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 your hardware.
Related publications
This Hardware Maintenance Manual and Troubleshooting Guide is provided in
Portable Document Format (PDF). 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 255 Type 8685 documentation is provided with the 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 the 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
© Copyright IBM Corp. 2002 1
™
Setup and Installation CD, and how to get help.
statements that appear in the documentation for the 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.
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 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Features and specifications
Table 1 provides a summary of the features and specifications for your server.
Table 1. Features and specifications
Microprocessor:
™®
™
v Intel
Xeon
MP
v 1 MB or 512 KB level-3 cache
depending upon model
v 400 MHz front-side bus (FSB)
v Support for up to four
microprocessors with Intel
Hyper-Threading technology and
Intel NetBurst
Memory:
™
microarchitecture
v Maximum: 12 GB
v Type: ECC, double-data rate (DDR),
SDRAM, registered DIMMs
v Slots: 2-way or 4-way interleaved, 12
slots
v Hot Spare memory
standard:
Drives
v Diskette: 1.44 MB
v CD-ROM: IDE
Available expansion bays:
v Hot-swap:
– Six slim-high in upper drive cage
– Six slim-high in lower drive cage
with optional SCSI backplane
installed
v Non-hot-swap: Two 5.25-inch
Expansion
slots:
v Six hot-plug PCI-X 100 MHz/64-bit
v One non-hot-plug PCI 33 MHz/32-bit
Hot-swap
power supplies:
370 W (115-230 V ac)
v Minimum: Two
v Maximum: Four for redundancy
Redundant
cooling:
Nine hot-swap fans
Video:
v ATI RageXL video controller
v Compatible with SVGA and VGA
v 8 MB video memory
Size (tower model with sides and
wheels):
v Height: 391 mm (15.4 in)
v Depth: 767 mm (30.2 in)
v Width: 446 mm (17.6 in)
v Weight: 47 kg (104 lb) to 55 kg (121.2
lb) depending upon configuration
Size (7 U) (rack model without sides or
wheels):
v Height: 307 mm (12.1 in)
v Depth: 767 mm (30.2 in)
v Width: 446 mm (17.6 in)
v Weight: 47 kg (104 lb) to 55 kg (121.2
lb) depending upon configuration
Integrated
v Dual-channel Ultra160 SCSI controller
(one internal and one external channel)
v Wake on LAN
v One Broadcom 10/100/1000 Mbps
Ethernet controller
v One serial port
v Four Universal Serial Bus ports
v Keyboard port
v Mouse port
v Video port
v Integrated system management
processor (ISMP) with two ISMP
(RS-485) RJ-45 connectors
Acoustical
v Sound power, idle: 6.3 bel maximum
v Sound power, operating: 6.3 bel
maximum
v Bystander (1 m) Sound pressure,
operating: 47 dBa maximum
v Bystander (1 m) Sound pressure, idle:
47 dBa maximum
functions:
®
support
noise emissions:
1
Environment:
v Air temperature:
– Server on: 10° to 35°C (50° to 95°F).
Altitude: 0 to 914 m (3000 ft).
– Server on: 10° to 32°C (50° to 89.6°F).
Altitude: 914 m (3000 ft) to 2133 m
(7000 ft).
– Server off: 10° to 43°C (50° to 110°F).
Maximum altitude: 2133 m (7000 ft).
Humidity:
v
– Server on: 8% to 80%
– Server off: 8% to 80%
Heat output:
Approximate heat output in British thermal
units (Btu) per hour:
v Minimum configuration: 461 Btu (0.14
kilowatts)
v Maximum configuration: 3412 Btu (1.0
kilowatts)
Electrical
input:
v Sine-wave input (50-60 Hz) required
v Input voltage low range:
– Minimum: 100 V ac
– Maximum: 127 V ac
v Input voltage high range:
– Minimum: 200 V ac
– Maximum: 240 V ac
Input kilovolt-amperes (kVA) approximately:
v
– Minimum: 0.08 kVA
– Maximum: 1.07 kVA
1. Racks are marked in vertical increments of 1.75 inches each. Each increment is referred to as a unit, or ″ U.″ A 1-U-high device is
1.75 inches tall.
Chapter 1. General information 3
Server controls and indicators
This section identifies the controls and indicators on the front and rear of your
server.
Front view
Tower and rack models
Power-control button
Reset button
Power-on LED
Activity LED
System information LED
System error LED
Hard disk drive
activity LED
Hard disk drive
status LED
Diskette drive
activity LED
Diskette-eject
button
CD-ROM drive
activity LED
CD-eject button
Notes:
1. The illustrations in this document might differ slightly from your hardware.
2. An amber LED illuminates when a system error or event has occurred. To
identify the error or event, check the LEDs on the light path diagnostics panel
located on the server (see “Light path diagnostics” on page 32), or review the
Error Log in the Configuration/Setup Utility program (see “Viewing error logs
from the Configuration/Setup Utility program” on page 28). For more information
about the Configuration/Setup Utility program, see “Choices available from the
Configuration/Setup Utility main menu” on page 11.
Power-on (system power) LED: When this green LED is on, system power is
present in the server. When this LED flashes, the server is in Standby mode (the
system power supply is turned off and ac current is present). When this LED is off,
a power supply, ac power, or an LED has failed.
Power-control button: Press this button to manually turn the server on or off or to
place the server in Standby mode (see “Standby mode” 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.
Reset button: Press this button to reset the server and run the power-on self-test
(POST).
ACT (activity) LED: This green LED is on when there is activity on the server.
INFO (system information) LED: When this amber LED is on, the server power
supplies are nonredundant, or some other noncritical event has occurred. The event
4 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
is recorded in the Error log. Check the light path diagnostics panel for more detailed
information (see “Light path diagnostics” on page 32).
FAULT (system-error) LED: This amber LED is on when a system error occurs. An
LED on the light path diagnostics panel will also be on to further isolate the error.
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
SCSI or RAID adapter 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.
Diskette drive activity LED: When this LED is on, it indicates that the diskette
drive is in use.
Diskette-eject button: Press this button to release a diskette from the drive.
CD-ROM drive activity LED: When this LED is on, it indicates that the CD-ROM
drive is in use.
Rear view
CD-eject button: Press this button to release a CD from the drive.
Notes:
1. The illustrations in this document might differ slightly from your hardware.
2. An amber LED illuminates when a system error or event has occurred. To
identify the error or event, check the LEDs on the light path diagnostics panel
located on the server, or review the Error Log in the Configuration/Setup Utility
program. For complete details about the light path diagnostics panel, see “Light
path diagnostics” on page 32. For more information about the
Configuration/Setup Utility program, see “Choices available from the
Configuration/Setup Utility main menu” on page 11.
Chapter 1. General information 5
Ethernet activity
LED
AC power LED
DC power LED
Hot-swap fan error LED
Ethernet link
LED
Ethernet activity LED: When this green LED is on, there is activity between the
server and the network. The Ethernet activity LED is located on the Ethernet
(RJ-45) connector on the rear of the server.
Ethernet link LED: When this green LED is on, there is an active connection on
the Ethernet port. The Ethernet link LED is located on the Ethernet (RJ-45)
connector on the rear of the server.
Hot-swap fan error LEDs: These LEDs provide status information about fans 7, 8,
and 9 (the bottom rear fans in the power-supply bays).
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.
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.
Turning on the server
Statement 13:
6 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
DANGER
Overloading
a branch circuit is potentially a fire hazard and a shock hazard
under certain conditions. To avoid these hazards, ensure that your system
electrical requirements do not exceed branch circuit protection
requirements. Refer to the information that is provided with your device for
electrical specifications.
After you plug one end of each server power cord into the power-supply outlets on
the rear of the server and the other end of each power cord into an electrical outlet,
the server can start in any of the following ways:
v You can press the power-control button on the front of the server to start 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 ISMP is initializing; therefore, the power-control button does not
respond.
If the server is turned on and a power failure occurs, the server will start
v
automatically when power is restored.
v If ac power is present, the server is in Standby mode, and the server is
connected to an Advanced System Management (ASM) interconnect network that
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, the Wake on LAN feature can
turn on the 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.
v If your operating system supports the Preboot eXecution Environment (PXE)
option and the PXE option is enabled through the Planar Ethernet PXE/DHCP
menu choice under Start Options on the Configuration/Setup Utility program
menu (see “Using the Configuration/Setup Utility program” on page 11), the
integrated Gigabit Ethernet controller (see “Configuring the Gigabit Ethernet
controller” on page 23) can turn on the server.
Complete the following steps to manually turn on the server:
1. Review the information in “Before you begin” on page 39, “Handling
static-sensitive devices” on page 40, and “Safety information” on page 167.
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 turning on, the power-on LED on the front of the
server is lit.
Chapter 1. General information 7
Turning off the server
The server can be turned off in any of the following ways:
v If the system is connected to an ASM interconnect network that contains at least
one system with an optional Remote Supervisor Adapter installed, the system
can be turned off from the Remote Supervisor Adapter user interface.
v If an optional Remote Supervisor Adapter is installed in the system, the system
can be turned off from the Remote Supervisor Adapter user interface.
Complete the following steps to manually turn off the server:
1. Review the information in “Before you begin” on page 39, “Handling
static-sensitive devices” on page 40, and “Safety information” on page 167.
2. See your operating system documentation for the proper procedure to shut
down the operating system.
When you turn off the server, observe the following precaution.
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.
Standby mode
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 refers to the condition in which the server operating system is not
running and all core logic is shut down except for the optional Remote Supervisor
Adapter. In Standby mode, the server can respond to ISMP 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).
8 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
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 that 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 in 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
shutting down the operating system before continuing.
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.
Chapter 1. General information 9
10 xSeries 255 Type 8685: 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. See “Using the
Configuration/Setup Utility program” for more information.
v SCSISelect Utility program
With the built-in SCSISelect Utility program, you can configure the devices that
are attached to the integrated SCSI controller. Use this program to change
default values, resolve configuration conflicts, and perform a low-level format on
a SCSI hard disk drive. See “Using the SCSISelect utility program” on page 18
for more information.
v ServerGuide CD
The ServerGuide CD includes software setup and installation tools that are
specifically designed for your IBM server. Yo u can use this CD during the initial
installation of your server to configure the server hardware and simplify your
network operating system installation. See “Using the ServerGuide Setup and
Installation CD” on page 20 for more detailed information.
v SCSI or RAID programs
The SCSI or RAID programs come with the optional SCSI or RAID adapter and
with server models that have a SCSI or RAID adapter preinstalled. If your server
has a SCSI or RAID adapter installed, you must use the SCSI or RAID
Configuration program to define and configure your disk-array subsystem before
you install your operating system.
Using the Configuration/Setup Utility program
This section provides the instructions to start the Configuration/Setup Utility program
and descriptions of the available menu choices.
Starting the Configuration/Setup Utility program
Complete the following steps 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 (user and administrator), you
must type the administrator password to access the full
Configuration/Setup Utility menu.
3. Follow the instructions that appear on the screen.
Choices available from the Configuration/Setup Utility main menu
From the Configuration/Setup Utility main menu, you can select settings that you
want to change. The Configuration/Setup Utility main menu is similar to the
following.
© Copyright IBM Corp. 2002 11
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.
The following choices are available from the main menu:
v System Summary
Select this choice to display configuration information. This includes the type and
speed of the microprocessors and the amount of memory that is installed.
Select this choice to view the microprocessor settings, such as identifiers, cache
sizes, and speeds.
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 that is stored in the flash electrically erasable programmable ROM
(EEPROM).
Devices and I/O Ports
v
Select this choice to view or change the assignments for devices and
input/output ports. This choice appears only on the full Configuration/Setup Utility
main menu.
You can use this choice to enable or disable the integrated SCSI, video, and
Ethernet controllers.
– 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.)
12 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
– If the on-board SCSI controller is disabled and no other controller and mass
storage device are installed, operating-system startup cannot occur.
– If the video controller is disabled and no video adapter is installed, the server
will have no video capability.
Select System Service Processor Settings to view the interrupt-request setting
(IRQ) that is used by the ISMP (service processor). You can then use the arrow
keys to select a new IRQ setting for the ISMP from the list of available choices.
v Date and Time
Select this choice to set the system date and time and to change the system
time that is sent to the ISMP (service processor) when the server is started. 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 a system owner’s name. 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 16 for more information.
– Administrator Password
If an optional Remote Supervisor Adapter is installed in the server, you can
also set the administrator password and the remote-control password.
Select this choice to set or change an administrator password.
Attention: If an administrator password is set and then forgotten, it cannot
be overridden or removed. You must replace the Remote Supervisor Adapter
in PCI slot 1.
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 16 for more information.
Start Options
v
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.
Note: If you attach a standard (non-USB) keyboard to the keyboard port, the
USB ports and devices will be disabled during the power-on self-test
(POST). You might need to enable keyboardless operation to prevent the
POST error message 301 from being displayed during startup. For
detailed information about this option and how to connect it to your server,
refer to the documentation that comes with the option.
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 1, and then checks a network adapter.
You can set the Planar Ethernet PXE/DHCP menu choice to enable or disable
the Preboot eXecution Environment (PXE) option for the integrated Gigabit
Chapter 2. Configuration 13
Ethernet controller. The default setting for this menu item is Planar Ethernet ,
which enables the PXE option. To disable this option, select Disabled .
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 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, PCI configuration, Hot Spare Memory, and Hyper-Threading
technology. 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 value to Visible. To make the System
Partition invisible, set this value to Hidden . See “Using the ServerGuide Setup
and Installation CD” on page 20 for additional information about the System
Partition.
– Core Chipset Control
Select this choice to modify settings that control features of the core chip set
on the system board.
To maintain optimum system operation in the event of a memory failure, you
can enable the Hot Spare Memory feature on the Core Chipset Control
menu. This feature removes the failed memory from the system configuration
and activates a Hot Spare Memory pair or quad of DIMMs to replace the
failed memory pair or quad of DIMMs. Before you can enable the Hot Spare
Memory feature, you must also install at least one additional memory pair or
quad of DIMMs and adhere to special requirements as described in “Installing
memory modules” on page 80. Yo u can also enable the Memory Remapping
feature on the Core Chipset Control menu. To enable the Hot Spare Memory
and Memory Remapping features, change the values from No to Yes .
– CPU Options
Select this choice to enable or disable the microprocessor cache. In addition,
you can set the microprocessor cache mode to write-back (WB) or
write-through (WT). Selecting write-back mode will provide better system
performance.
– PCI Bus Control
Select this choice to view and identify system resources that are used by PCI
and PCI-X devices. PCI and PCI-X devices automatically communicate with
the server configuration information. This usually results in automatic
configuration of a PCI or PCI-X device.
After making changes, select:
- PCI MLT to assign Master Latency Timer (MLT) values for the PCI and
PCI-X devices in the server.
- PCI Interrupt Routing to assign interrupt values for the PCI and PCI-X
devices in the server.
Memory Settings
–
14 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Select this choice to manually enable a pair or quad of memory.
Notes:
1. A pair or quad is also known as a memory bank.
2. You cannot disable memory. Memory can only be disabled by the server.
3. For details on enabling the Hot Spare Memory feature, see the description
of the Core Chipset Control menu under Advanced Setup .
If a memory error is detected during POST or memory configuration, the
server can automatically disable the failing memory pair or quad and continue
operating with reduced memory capacity. If this occurs, you must manually
enable the memory pair or quad after the problem is corrected. Select
Memory Settings from the Advanced Setup menu, and use the arrow keys
to highlight the pair or quad that you want to enable; then, use the arrow keys
to select Enable .
Note: For details on enabling the Hot Spare Memory feature, see the
description of the Core Chipset Control menu under Advanced Setup.
– Integrated System Management Processor Settings
Select this choice to set the server to automatically restart after a
nonmaskable interrupt (NMI) occurs. The default setting for this menu item is
Enabled .
Error Logs
v
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.
Select Clear event/error logs from the POST Error Log menu to clear the
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 Error or Event log.
v Save Settings
Select this choice to save your customized settings.
v Restore Settings
Select this choice to delete your changes and restore the previous settings.
v Load Default Settings
Select this choice to cancel your changes and restore the factory settings.
v Exit Setup
If you have made any changes, 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 optional Remote Supervisor Adapter in your server, you can
view additional menu choices in the Configuration/Setup Utility program, such as:
v System Card Data on the System Information menu
Select this choice to view vital product data (VPD) for some server components.
v PCI Slot Information
Chapter 2. Configuration 15
Select this choice to view the properties of adapters that are installed in PCI and
PCI-X slots.
Important: You must use the menu selections to save custom settings for the
PCI Slot/Device Information choice. The Save Settings, Restore Settings, and
Load Default Settings choices on the main menu of the Configuration/Setup
Utility do not save the PCI Slot/Device Information settings.
After making changes, select:
– Save and exit the PCI Utility to save the changes and return to the
Advanced Setup choice.
– Exit the PCI Utility without saving changes to ignore the changes, restore
the previous settings, and return to the Advanced Setup choice.
You can use PCI Device Control to enable or disable the PCI and PCI-X slots
from this menu. The default setting is Enable for all the PCI slots. 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.)
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 required duration before another
attempt can be made.
For a list of supported options for your server, go to
http://www.ibm.com/us/compat/ on the World Wide Web. To order an optional
Remote Supervisor Adapter, contact your IBM reseller or 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.
Power-on password
After you set a power-on password, you can enable the Unattended Start mode.
This locks the keyboard and mouse but allows the operating system to start. The
keyboard and mouse remain locked until you type the correct password.
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 Type the administrator password at the power-on prompt, if an administrator
v Change the position of the power-on password override switch (switch 6 on
password has been set. (If necessary, see “Administrator password” on page 17
for details.) Start the Configuration/Setup Utility program, and change the
power-on password.
switch block 2 on the system board) to bypass the power-on password check.
You can then start the Configuration/Setup Utility program and change the
power-on password (see “Starting the Configuration/Setup Utility program” on
page 11).
16 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
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 on switch block 2)
v
Changing the position of this switch bypasses the power-on password check if
the switch has been moved since the server was last turned on. Yo u do not need
to move the switch back to the default position after the password is overridden.
The default position is Off. To bypass the power-on password check, change the
position to On
Changing the position of this switch does not affect the administrator password
check if an administrator password is set.
v Remove the battery and then reinstall the battery (see “Replacing the battery” on
page 101).
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.
Attention: If an administrator password is set and then forgotten, it cannot be
overridden or removed. You must replace the Remote Supervisor Adapter in PCI
slot 1.
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 start the system.
v Type the password to access the Configuration/Setup Utility
program.
v All choices are available on the Configuration/Setup Utility main
menu.
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.
Chapter 2. Configuration 17
Using the SCSISelect utility program
SCSISelect is a built-in, menu-driven configuration utility program that you can use
to:
v View the default SCSI IDs
v Locate and correct configuration conflicts
v Perform a low-level format on a SCSI hard disk (some servers)
The following sections provide the instructions to start the SCSISelect Utility and
descriptions of the available menu choices.
Note: If your server has a RAID adapter installed, use the configuration method
supplied with the RAID adapter to view or change SCSI settings for attached
devices.
Starting the SCSISelect utility program
Complete the following steps to start the SCSISelect utility program:
1. Turn on the server.
2. When the <<< Press <CTRL><A> for SCSISelect Utility! >>> prompt appears,
press Ctrl+A.
Note: If an administrator password has been set, you are prompted to type the
password to start the SCSISelect Utility program.
3. When prompted, select either channel A (external) or channel B (internal).
4. Use the arrow keys to select a choice from the menu.
v Press Esc to return to the previous menu.
v Press F5 to switch between color and monochrome modes (if your monitor
permits).
Follow the instructions on the screen to change the settings of the selected
5.
items; then, press Enter.
Choices available from the SCSISelect menu
The following choices appear on the SCSISelect Utility menu:
v Configure/View Host Adapter Settings
Select this choice to view or change the SCSI controller settings. To reset the
SCSI controller to its default values, press F6; then, follow the instructions that
appear on the screen.
You can view or change the following controller settings:
– Host Adapter SCSI ID
Select this choice to view the SCSI controller ID, which is usually 7.
– SCSI Parity Checking
The assigned value for this setting is Enabled , and it cannot be changed.
– Host Adapter SCSI Termination
The assigned value for this setting is Enabled , and it cannot be changed.
– Boot Device Options
Select this choice to configure startable device parameters. Before you can
make updates, you must know the ID of the device whose parameters you
want to configure.
– SCSI Device Configuration
18 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide
Select this choice to configure SCSI device parameters. Before you can make
updates, you must know the ID of the device whose parameters you want to
configure.
Note: The Maximum Sync Transfer Rate represents the transfer rate for Ultra
SCSI devices.
- The transfer rate for Ultra160 LVD devices is 160.0 MBps.
- The transfer rate for Ultra2 SCSI LVD devices is 80.0 MBps.
- The transfer rate for Fast SCSI devices is 20.0 MBps.
Advanced Configuration Options
–
Select this choice to view or change the settings for advanced configuration
options.
SCSI Disk Utilities
v
Select this choice to view the SCSI IDs that are assigned to each device or to
format a SCSI device.
To use the utility program, select a drive from the list. Read the screens carefully
before making a selection.
Note: If you press Ctrl+A before the selected drives are ready, an Unexpected
SCSI Command Failure screen might appear. Restart the server and
watch the SCSISelect messages as each drive spins up. After the drive
that you want to view or format spins up, press Ctrl+A.
v Format Disk
Attention: The Low-Level Format program erases all data and programs.
If this choice appears on the SCSISelect menu, select this choice to perform a
low-level format on a hard disk drive. Depending on the hard disk drive capacity,
the Low-Level Format program could take up to 2 hours.
Use the Low-Level Format program:
– When you are installing software that requires a low-level format
– When you get recurring messages from the diagnostic tests directing you to
run the Low-Level Format program on the hard disk drive
– As a last resort before replacing a failing hard disk drive
If your server has a PCI RAID adapter installed, see the RAID adapter
Note:
documentation for instructions for performing low-level formats on hard
disk drives attached to the adapter.
To start the Low-Level Format program:
1. If the hard disk drive is working, make a backup copy of all the files and
programs on the hard disk. (See your operating-system information for
instructions.)
2. Select Format Disk ; then, follow the instructions on the screen.
Note: A hard disk typically contains more tracks than its stated capacity (to
allow for defective tracks). A message appears on the screen if the
defect limit is reached. If this happens, replace the hard disk drive.
Chapter 2. Configuration 19
Using the ServerGuide Setup and Installation CD
The ServerGuide Setup and Installation CD includes an easy-to-use setup and
installation program that is specifically 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 network operating system (NOS) 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 latest ServerGuide program, 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, see the “ServerGuide Updates” flyer that
comes with your server library, or 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 Performance Optimizer program, which easily tunes your SCSI RAID adapter
settings for your server environment
v A system BIOS 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 NOS 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 NOS CD to install your NOS.
The ServerGuide program has the following features:
v Sets system date and time.
v Detects the SCSI RAID adapter or controller 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. Yo u can
perform updates without using diskettes.
v Provides the Performance Optimizer program to easily tune your SCSI RAID
adapter settings for your server environment.
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.
20 xSeries 255 Type 8685: Hardware Maintenance Manual and Troubleshooting Guide