IBM System x3950 Type 8878, System x3950 E Type 8879 Service Manual

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IBM System x3950 Ty pe 8878

System x3950 E Type 8879

and

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Problem Dete rminatio n and Service Guid e

IBM System x3950 Ty pe 8878

System x3950 E Type 8879

and



Problem Dete rminatio n and Service Guid e

Note: Before using this information and the product it supports, read the general information in Appendix B, “Notices,” on page

163.

The most recent version of this document is available at http://www.ibm.com/servers/eserver/support/xseries/index.html.

15th Edition (July 2007)

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

Contents

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii

Guidelines for trained service technicians . . . . . . . . . . . . . . . viii

Inspecting for unsafe conditions . . . . . . . . . . . . . . . . . viii

Guidelines for servicing electrical equipment . . . . . . . . . . . . . viii

Safety statements . . . . . . . . . . . . . . . . . . . . . . . .x

Chapter 1. Introduction . . . . . . . . . . . . . . . . . . . . . .1

Related documentation . . . . . . . . . . . . . . . . . . . . . .1

Notices and statements in this document . . . . . . . . . . . . . . . .2

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

Server controls, LEDs, and connectors . . . . . . . . . . . . . . . .4

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

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

Internal LEDs, connectors, and jumpers . . . . . . . . . . . . . . . .8

I/O board internal connectors and jumpers . . . . . . . . . . . . . .8

Memory-card connectors . . . . . . . . . . . . . . . . . . . . .9

Memory-card LEDs . . . . . . . . . . . . . . . . . . . . . . .9

Microprocessor-board connectors and LEDs . . . . . . . . . . . . .10

PCI-X board connectors . . . . . . . . . . . . . . . . . . . .10

PCI-X board LEDs . . . . . . . . . . . . . . . . . . . . . .11

SAS-backplane connectors . . . . . . . . . . . . . . . . . . .11

Chapter 2. Configuration information and instructions . . . . . . . . .13

Updating the firmware . . . . . . . . . . . . . . . . . . . . . .13

Configuring the server . . . . . . . . . . . . . . . . . . . . . .13

Using the ServerGuide Setup and Installation CD . . . . . . . . . . .13

Using the UpdateXpress program . . . . . . . . . . . . . . . . .14

Using the Configuration/Setup Utility program . . . . . . . . . . . .14

Installing and using the baseboard management controller utility programs 20

Using the SAS/SATA Configuration Utility program . . . . . . . . . . .20

Configuring the Ethernet controller . . . . . . . . . . . . . . . . .20

Using the PXE boot agent utility program . . . . . . . . . . . . . .21

Using the ServeRAID configuration programs . . . . . . . . . . . . .21

Using the Scalable Partition Web Interface . . . . . . . . . . . . . .21

Chapter 3. Parts listing, Type 8878 and 8879 . . . . . . . . . . . . .23

Server replaceable units . . . . . . . . . . . . . . . . . . . . .25

Power cords . . . . . . . . . . . . . . . . . . . . . . . . . .27

Chapter 4. Removing and replacing server components . . . . . . . .31

Installation guidelines . . . . . . . . . . . . . . . . . . . . . .31

System reliability guidelines . . . . . . . . . . . . . . . . . . .32

Working inside the server with the power on . . . . . . . . . . . . .33

Handling static-sensitive devices . . . . . . . . . . . . . . . . .33

Returning a device or component . . . . . . . . . . . . . . . . .33

Connecting the cables . . . . . . . . . . . . . . . . . . . . . .34

Removing and replacing Tier 1 CRUs . . . . . . . . . . . . . . . .35

Adapter . . . . . . . . . . . . . . . . . . . . . . . . . .35

DVD drive . . . . . . . . . . . . . . . . . . . . . . . . . .36

Hot-swap fan . . . . . . . . . . . . . . . . . . . . . . . .37

Hot-swap power supply . . . . . . . . . . . . . . . . . . . . .38

Memory card and memory module (DIMM) . . . . . . . . . . . . .40

Remote Supervisor Adapter II SlimLine . . . . . . . . . . . . . . .43

ServeRAID-8i adapter . . . . . . . . . . . . . . . . . . . . .44

To p cover and bezel . . . . . . . . . . . . . . . . . . . . . .45

Removing and replacing Tier 2 CRUs . . . . . . . . . . . . . . . .46

Battery . . . . . . . . . . . . . . . . . . . . . . . . . . .46

I/O board . . . . . . . . . . . . . . . . . . . . . . . . . .47

Operator information panel assembly . . . . . . . . . . . . . . . .49

PCI-X adapter guide . . . . . . . . . . . . . . . . . . . . . .50

Power-supply structure . . . . . . . . . . . . . . . . . . . . .51

SAS backplane . . . . . . . . . . . . . . . . . . . . . . . .52

Removing and replacing FRUs . . . . . . . . . . . . . . . . . . .53

Front-panel assembly . . . . . . . . . . . . . . . . . . . . .53

Microprocessor tray and microprocessor . . . . . . . . . . . . . .54

PCI-X board assembly . . . . . . . . . . . . . . . . . . . . .59

PCI-X switch card assembly . . . . . . . . . . . . . . . . . . .60

Power backplane . . . . . . . . . . . . . . . . . . . . . . .61

Scalability cartridge assembly . . . . . . . . . . . . . . . . . .63

Chapter 5. Diagnostics . . . . . . . . . . . . . . . . . . . . .65

Diagnostic tools . . . . . . . . . . . . . . . . . . . . . . . .65

POST . . . . . . . . . . . . . . . . . . . . . . . . . . . .65

POST beep codes . . . . . . . . . . . . . . . . . . . . . .66

Error logs . . . . . . . . . . . . . . . . . . . . . . . . . .71

POST error codes . . . . . . . . . . . . . . . . . . . . . . .73

Checkout procedure . . . . . . . . . . . . . . . . . . . . . . .87

About the checkout procedure . . . . . . . . . . . . . . . . . .87

Performing the checkout procedure . . . . . . . . . . . . . . . .88

Checkpoint codes (trained service technicians only) . . . . . . . . . . .88

Troubleshooting tables . . . . . . . . . . . . . . . . . . . . . .89

CD or DVD drive problems . . . . . . . . . . . . . . . . . . .89

General problems . . . . . . . . . . . . . . . . . . . . . . .90

Hard disk drive problems . . . . . . . . . . . . . . . . . . . .90

Intermittent problems . . . . . . . . . . . . . . . . . . . . . .91

Keyboard, mouse, or pointing-device problems . . . . . . . . . . . .91

USB keyboard, mouse, or pointing-device problems . . . . . . . . . .92

Memory problems . . . . . . . . . . . . . . . . . . . . . . .94

Microprocessor problems . . . . . . . . . . . . . . . . . . . .95

Monitor problems . . . . . . . . . . . . . . . . . . . . . . .96

Optional-device problems . . . . . . . . . . . . . . . . . . . .98

Power problems . . . . . . . . . . . . . . . . . . . . . . .99

Serial port problems . . . . . . . . . . . . . . . . . . . . . 100

ServerGuide problems . . . . . . . . . . . . . . . . . . . . . 101

Software problems . . . . . . . . . . . . . . . . . . . . . . 101

Universal Serial Bus (USB) port problems . . . . . . . . . . . . . 102

Video problems . . . . . . . . . . . . . . . . . . . . . . . 102

Light path diagnostics . . . . . . . . . . . . . . . . . . . . . . 102

Remind button . . . . . . . . . . . . . . . . . . . . . . . 104

Light path diagnostic LEDs . . . . . . . . . . . . . . . . . . . 105

Power-supply LEDs . . . . . . . . . . . . . . . . . . . . . . .110

Diagnostic programs, messages, and error codes . . . . . . . . . . . .112

Running the diagnostic programs . . . . . . . . . . . . . . . . .112

Diagnostic text messages . . . . . . . . . . . . . . . . . . .113

Viewing the test log . . . . . . . . . . . . . . . . . . . . . .113

Diagnostic error codes . . . . . . . . . . . . . . . . . . . . .113

Real Time Diagnostics . . . . . . . . . . . . . . . . . . . . . . 130

Recovering from a BIOS update failure . . . . . . . . . . . . . . . 130

System-error log messages . . . . . . . . . . . . . . . . . . . . 132

iv IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

POST and SMI error messages . . . . . . . . . . . . . . . . . . 144

Solving SCSI problems . . . . . . . . . . . . . . . . . . . . . 156

Solving power problems . . . . . . . . . . . . . . . . . . . . . 157

Solving Ethernet controller problems . . . . . . . . . . . . . . . . 157

Solving undetermined problems . . . . . . . . . . . . . . . . . . 158

Calling IBM for service . . . . . . . . . . . . . . . . . . . . . 159

Appendix A. Getting help and technical assistance . . . . . . . . . . 161

Before you call . . . . . . . . . . . . . . . . . . . . . . . . 161

Using the documentation . . . . . . . . . . . . . . . . . . . . . 161

Getting help and information from the World Wide Web . . . . . . . . . 162

Software service and support . . . . . . . . . . . . . . . . . . . 162

Hardware service and support . . . . . . . . . . . . . . . . . . . 162

IBM Taiwan product service . . . . . . . . . . . . . . . . . . . . 162

Appendix B. Notices . . . . . . . . . . . . . . . . . . . . . . 163

Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . 163

Important notes . . . . . . . . . . . . . . . . . . . . . . . . 164

Product recycling and disposal . . . . . . . . . . . . . . . . . . 165

Battery return program . . . . . . . . . . . . . . . . . . . . . 166

Electronic emission notices . . . . . . . . . . . . . . . . . . . . 167

Federal Communications Commission (FCC) statement . . . . . . . . 167

Industry Canada Class A emission compliance statement . . . . . . . . 167

Australia and New Zealand Class A statement . . . . . . . . . . . . 167

United Kingdom telecommunications safety requirement . . . . . . . . 167

European Union EMC Directive conformance statement . . . . . . . . 168

Taiwanese Class A warning statement . . . . . . . . . . . . . . . 168

Chinese Class A warning statement . . . . . . . . . . . . . . . . 168

Japanese Voluntary Control Council for Interference (VCCI) statement 169

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

Contents v

vi IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Safety

Before installing this product, read the Safety Information.

Antes de instalar este produto, leia as Informações de Segurança.

Pred instalací tohoto produktu si prectete prírucku bezpecnostních instrukcí.

Læs sikkerhedsforskrifterne, før du installerer dette produkt.

Lees voordat u dit product installeert eerst de veiligheidsvoorschriften.

Ennen kuin asennat tämän tuotteen, lue turvaohjeet kohdasta Safety Information.

Avant d’installer ce produit, lisez les consignes de sécurité.

Vor der Installation dieses Produkts die Sicherheitshinweise lesen.

Prima di installare questo prodotto, leggere le Informazioni sulla Sicurezza.

Les sikkerhetsinformasjonen (Safety Information) før du installerer dette produktet.

Antes de instalar este produto, leia as Informações sobre Segurança.

Antes de instalar este producto, lea la información de seguridad.

Läs säkerhetsinformationen innan du installerar den här produkten.

Guidelines for trained service technicians

This section contains information for trained service technicians.

Inspecting for unsafe conditions

Use the information in this section to help you identify potential unsafe conditions in an IBM product that you are working on. Each IBM product, as it was designed and manufactured, has required safety items to protect users and service technicians from injury. The information in this section addresses only those items. Use good judgment to identify potential unsafe conditions that might be caused by non-IBM alterations or attachment of non-IBM features or options that are not addressed in this section. If you identify an unsafe condition, you must determine how serious the hazard is and whether you must correct the problem before you work on the product.

Consider the following conditions and the safety hazards that they present:

v Electrical hazards, especially primary power. Primary voltage on the frame can

cause serious or fatal electrical shock.

v Explosive hazards, such as a damaged CRT face or a bulging capacitor.

v Mechanical hazards, such as loose or missing hardware.

inspect the product for potential unsafe conditions, complete the following steps:

1. Make sure that the power is off and the power cord is disconnected.

2. Make sure that the exterior cover is not damaged, loose, or broken, and observe any sharp edges.

3. Check the power cord:

v Make sure that the third-wire ground connector is in good condition. Use a

meter to measure third-wire ground continuity for 0.1 ohm or less between the external ground pin and the frame ground.

v Make sure that the power cord is the correct type, as specified in “Power

cords” on page 27.

v Make sure that the insulation is not frayed or worn.

Remove the cover.

5. Check for any obvious non-IBM alterations. Use good judgment as to the safety of any non-IBM alterations.

6. Check inside the server for any obvious unsafe conditions, such as metal filings, contamination, water or other liquid, or signs of fire or smoke damage.

7. Check for worn, frayed, or pinched cables.

8. Make sure that the power-supply cover fasteners (screws or rivets) have not been removed or tampered with.

Guidelines for servicing electrical equipment

Observe the following guidelines when servicing electrical equipment:

v Check the area for electrical hazards such as moist floors, nongrounded power

extension cords, power surges, and missing safety grounds.

v Use only approved tools and test equipment. Some hand tools have handles that

are covered with a soft material that does not provide insulation from live electrical currents.

v Regularly inspect and maintain your electrical hand tools for safe operational

condition. Do not use worn or broken tools or testers.

viii IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

v Do not touch the reflective surface of a dental mirror to a live electrical circuit.

The surface is conductive and can cause personal injury or equipment damage if it touches a live electrical circuit.

v Some rubber floor mats contain small conductive fibers to decrease electrostatic

discharge. Do not use this type of mat to protect yourself from electrical shock.

v Do not work alone under hazardous conditions or near equipment that has

hazardous voltages.

v Locate the emergency power-off (EPO) switch, disconnecting switch, or electrical

outlet so that you can turn off the power quickly in the event of an electrical accident.

v Disconnect all power before you perform a mechanical inspection, work near

power supplies, or remove or install main units.

v Before you work on the equipment, disconnect the power cord. If you cannot

disconnect the power cord, have the customer power-off the wall box that supplies power to the equipment and lock the wall box in the off position.

v Never assume that power has been disconnected from a circuit. Check it to

make sure that it has been disconnected.

v If you have to work on equipment that has exposed electrical circuits, observe

the following precautions:

– Make sure that another person who is familiar with the power-off controls is

near you and is available to turn off the power if necessary.

– When you are working with powered-on electrical equipment, use only one

hand. Keep the other hand in your pocket or behind your back to avoid creating a complete circuit that could cause an electrical shock.

– When using a tester, set the controls correctly and use the approved probe

leads and accessories for that tester.

– Stand on a suitable rubber mat to insulate you from grounds such as metal

floor strips and equipment frames.

Use extreme care when measuring high voltages.

v To ensure proper grounding of components such as power supplies, pumps,

blowers, fans, and motor generators, do not service these components outside of their normal operating locations.

v If an electrical accident occurs, use caution, turn off the power, and send another

person to get medical aid.

Safety ix

Safety statements

Important:

Each caution and danger statement in this documentation begins with a number. This number is used to cross reference an English-language caution or danger statement with translated versions of the caution or danger statement in the Safety

Information document.

For example, if a caution statement begins with a number 1, translations for that caution statement appear in the Safety Information document under statement 1.

Be sure to read all caution and danger statements in this documentation before performing the instructions. Read any additional safety information that comes with your server or optional device before you install the device.

x IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Statement 1:

DANGER

Electrical

current from power, telephone, and communication cables is

hazardous.

To avoid a shock hazard: v Do not connect or disconnect any cables or perform installation,

maintenance, or reconfiguration of this product during an electrical storm.

v Connect all power cords to a properly wired and grounded electrical

outlet.

v Connect to properly wired outlets any equipment that will be attached to

this product.

v When possible, use one hand only to connect or disconnect signal

cables.

v Never turn on any equipment when there is evidence of fire, water, or

structural damage.

v Disconnect the attached power cords, telecommunications systems,

networks, and modems before you open the device covers, unless instructed otherwise in the installation and configuration procedures.

v Connect and disconnect cables as described in the following table when

installing, moving, or opening covers on this product or attached devices.

To Connect: To Disconnect:

1. Turn everything OFF.

2. First, attach all cables to devices.

3. Attach signal cables to connectors.

4. Attach power cords to outlet.

1. Turn everything OFF.

2. First, remove power cords from outlet.

3. Remove signal cables from connectors.

4. Remove all cables from devices.

5. Turn device ON.

Safety xi

Statement 2:

CAUTION: When replacing the lithium battery, use only IBM Part Number 33F8354 or an equivalent type battery recommended by the manufacturer. If your system has a module containing a lithium battery, replace it only with the same module type made by the same manufacturer. The battery contains lithium and can explode if not properly used, handled, or disposed of.

Do not:

v Throw or immerse into water v Heat to more than 100°C (212°F) v Repair or disassemble

Dispose

Statement 3:

of the battery as required by local ordinances or regulations.

CAUTION: When laser products (such as CD-ROMs, DVD drives, fiber optic devices, or transmitters) are installed, note the following:

v Do not remove the covers. Removing the covers of the laser product could

result in exposure to hazardous laser radiation. There are no serviceable parts inside the device.

v Use of controls or adjustments or performance of procedures other than

those specified herein might result in hazardous radiation exposure.

DANGER

laser products contain an embedded Class 3A or Class 3B laser

Some diode. Note the following.

Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam.

xii IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Statement 4:

≥ 18 kg (39.7 lb) ≥ 32 kg (70.5 lb) ≥ 55 kg (121.2 lb)

CAUTION: Use safe practices when lifting.

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.

Safety xiii

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.

Statement 26:

CAUTION: Do not place any object weighing more than 82 kg (180 lb) on top of rack-mounted devices.

>82 kg (180 lb)

xiv IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Chapter 1. Introduction

This Problem Determination and Service Guide contains information to help you solve problems that might occur in your IBM® System x3950 Type 8878 and System x3950 E Type 8879 server. It describes the diagnostic tools that come with the server, error codes and suggested actions, and instructions for replacing failing components.

Replaceable components are of three types:

v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your

responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation.

v Tier 2 customer replaceable unit: Yo u may install a Tier 2 CRU yourself or

request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server.

v Field replaceable unit (FRU): FRUs must be installed only by trained service

technicians.

information about the terms of the warranty and getting service and assistance,

For see the Warranty and Support Information document.

Related documentation

In addition to this document, the following documentation also comes with the server:

v Installation Guide

This printed document contains instructions for setting up the server and basic instructions for installing some optional devices.

v User’s Guide

This document is in Portable Document Format (PDF) on the IBM System x Documentation CD. It provides general information about the server, including

information about features, and how to configure the server. It also contains detailed instructions for installing, removing, and connecting optional devices that the server supports.

v Rack Installation Instructions

This printed document contains instructions for installing the server in a rack.

v Safety Information

This document is in PDF on the IBM System x Documentation CD. It contains translated caution and danger statements. Each caution and danger statement that appears in the documentation has a number that you can use to locate the corresponding statement in your language in the Safety Information document.

v Warranty and Support Information

This document is in PDF on the IBM System x Documentation CD. It contains information about the terms of the warranty and getting service and assistance.

™

Depending IBM System x Documentation CD.

The System x and xSeries® Tools Center is an online information center that contains information about tools for updating, managing, and deploying firmware,

on the server model, additional documentation might be included on the

device drivers, and operating systems. The System x and xSeries Tools Center is at http://publib.boulder.ibm.com/infocenter/toolsctr/v1r0/index.jsp.

The server might have features that are not described in the documentation that comes with the server. The documentation might be updated occasionally to include information about those features, or technical updates might be available to provide additional information that is not included in the server documentation. These updates are available from the IBM Web site. To check for updated documentation and technical updates, complete the following steps.

Note: Changes are made periodically to the IBM Web site. The actual procedure

might vary slightly from what is described in this document.

1. Go to http://www.ibm.com/servers/eserver/support/xseries/index.html

2. From the Hardware list, select System x3950 or System x3950 E and click Go.

3. Click the Install and use tab.

4. Click Product documentation.

Notices and statements in this document

The caution and danger statements that appear in this document are also in the multilingual Safety Information document, which is on the IBM System x

Documentation CD. Each statement is numbered for reference to the corresponding

statement in the Safety Information document.

The following notices and statements are used in this document:

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 potential 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 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Features and specifications

The following information is a summary of the features and specifications of the server. Depending on the server model, some features might not be available, or some specifications might not apply.

Table 1. Features and specifications

Microprocessor (not standard on System x3950 E models):

v Intel® Xeon™ MP v 1 MB (minimum) Level-2 cache v 4 MB or 8 MB Level-3 cache v 667 MHz front-side bus (FSB) v Support for up to four microprocessors

Use the Configuration/Setup Utility

Note:

program to determine the type and speed of the microprocessors.

Memory (not standard on System x3950 E models):

v Minimum: 2 GB depending on server

model, expandable to 64 GB

v Type: 333 MHz, registered, ECC,

PC2-3200 double data rate (DDR) II, SDRAM

v Sizes: 1 GB, 2 GB, or 4 GB in pairs v Connectors: Two-way interleaved, four

dual inline memory module (DIMM) connectors per memory card

v Maximum: Four memory cards, each

card containing two pairs of PC2-3200 DDRII DIMMs

Drives:

v Slim DVD-ROM: IDE v Serial Attached SCSI (SAS) hard disk

drives

Expansion

bays:

v Six SAS, 2.5-inch bays v One 12.7-mm removable-media drive

bay (DVD drive installed, standard on some models only)

Expansion

slots:

Six PCI-X 2.0 hot-plug 266 MHz/64-bit slots

Upgradeable microcode:

System BIOS, diagnostics, service processor, BMC, and SAS microcode

Power supply:

v Standard: Two dual-rated power

supplies – 1300 watts at 220 V ac input – 650 watts at 11 0 V ac input

v Hot-swappable at 220 V ac only

Size:

v 3U v Height: 128.35 mm (5.05 in.) v Depth: 715 mm (28.15 in.) v Width: 440 mm (17.32 in.) v Weight: approximately 38.5 kg (85 lb)

when fully configured or 31.75 kg (70 lb) minimum

Integrated

v Baseboard management controller v IBM EXA-32 Chipset with integrated

memory and I/O controller

v Service processor support for Remote

Supervisor Adapter II SlimLine

v Light path diagnostics v Three Universal Serial Bus (USB) ports

(2.0) – Two on rear of server – One on front of server

Broadcom 5704C dual 10/100/1000

Gigabit Ethernet controllers

v ATI 7000-M video

– 16 MB video memory – SVGA compatible

v Mouse connector v Keyboard connector v Serial connector v SMP Expansion Ports

Acoustical

v Sound power, idle: 6.6 bel declared v Sound power, operating: 6.6 bel

declared

functions:

noise emissions:

Environment:

v Air temperature:

– Server on:

- 10° to 35°C (50° to 95°F); altitude: 0 to 914 m (3000 ft). If the server has a dual-core microprocessor, at maximum power reduce the 35°C by 1°C per 300 m above sea level, or the microprocessor might throttle to remain within the internal thermal specifications.

- 10 to 32°C (50° to 90°F); altitude: 914 m to 2133 m (7000 ft).

Server off: 10° to 43°C (50.0° to

–

109.4°F); maximum altitude: 2133 m

(6998.0 ft)

v Humidity:

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

output:

Heat

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

v Minimum configuration: 1364 Btu (400

watts) per hour

v Maximum configuration: 5780 Btu (1700

watts) per hour

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

Approximate input kilovolt-amperes (kVA):

– Minimum: 0.40 kVA – Maximum: 1.6 kVA

Scalability

support:

Maximum configuration:

v Eight nodes v 32-way operation v 128 DIMMs v 48 SAS hard disk drives v 48 PCI-X adapters

Chapter 1. Introduction 3

Server controls, LEDs, and connectors

This section describes the controls, light-emitting diodes (LEDs), and connectors on the front and rear of the server.

Front view

The following illustration shows the controls, LEDs, and connectors on the front of the server.

Note: The illustrations in this document show the System x3950 server, unless

otherwise noted.

Hard disk drive status LED

Hard disk drive activity LED

Electrostatic-discharge connector

Operator information panel

DVD-eject button

DVD drive activity LED

Hard disk drive status LED: If a ServeRAID-8i adapter is installed, when this LED

is lit it indicates that the associated hard disk drive has failed. If the LED flashes slowly (one flash per second), the drive is being rebuilt. If the LED flashes rapidly (three flashes per second), the controller is identifying the drive.

Hard disk drive activity LED: On some server models, each hot-swap hard disk

drive has an activity LED. When this LED is flashing, it indicates that the drive is in use.

Operator information panel: This panel contains controls and LEDs. The following

illustration shows the controls and LEDs on the operator information panel.

Power-control button

USB connector

Power-on LED

Hard disk drive activity LED

Locator LED

Information LED

Release latch

System-error LED

The following controls, connectors, and LEDs are on the operator information panel:

v USB connector: Connect a USB device to this connector. v Power-control button: Press this button to turn the server on and off manually.

A power-control-button shield comes with the server.

v Information LED: When this LED is lit, it indicates that there is a suboptimal

condition in the server and that light path diagnostics will light an additional LED to help isolate the condition. If the LOG LED on the light path diagnostics panel

4 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

is lit, information is available in the baseboard management controller (BMC) log or in the system-event log about the condition. The condition might be that the BMC log is full or almost full.

This LED and LEDs on the light path diagnostics panel remain lit until you resolve the condition. If the only condition is that the BMC log is full or almost full, clear the BMC log or the system-event log through the Configuration/Setup Utility program to turn off the lit LEDs. See “Using the Configuration/Setup Utility program” on page 14 for information about clearing the logs. Clear the logs after you have resolved all conditions.

v Release latch: Slide this latch to the left to access the light path diagnostics

panel.

v System-error LED: When this LED is lit, it indicates that a system error has

occurred. An LED on the light path diagnostics panel is also lit to help isolate the error.

v Locator LED: When this LED is lit, it has been lit remotely by the system

administrator to aid in visually locating the server.

In multi-node configurations, when this LED flashes during startup, it indicates that the server is the primary node. When this LED is lit during startup, it indicates that the server is a secondary node.

v Hard disk drive activity LED: When this LED is flashing, it indicates that a SAS

hard disk drive is in use.

v Power-on LED: When this LED is lit and not flashing, it indicates that the server

is turned on. When this LED is flashing, it indicates that the server is turned off and still connected to an ac power source. When this LED is off, it indicates that ac power is not present, or the power supply or the LED itself has failed.

Note: If this LED is off, it does not mean that there is no electrical power in the

server. The LED might be burned out. To remove all electrical power from the server, you must disconnect the power cords from the electrical outlets.

Electrostatic-discharge

connector: Connect an electrostatic-discharge wrist strap

to this connector.

DVD drive activity LED: (Standard on some models only) When this LED is lit, it

indicates that the DVD drive is in use.

DVD-eject button: (Standard on some models only) Press this button to release a

CD or DVD from the DVD drive.

Chapter 1. Introduction 5

Rear view

The following illustration shows the connectors and LEDs on the rear of the server.

Video connector: Connect a monitor to this connector.

USB 1 connector: Connect a USB device to this connector.

SP Ethernet 10/100 connector: Use this connector to connect the service

processor to a network.

SP Ethernet 10/100 activity LED: This LED is on the SP Ethernet 10/100

connector. When this LED is lit, it indicates that there is activity between the server and the network.

SP Ethernet 10/100 link LED: This LED is on the SP Ethernet 10/100 connector.

When this LED is lit, it indicates that there is an active connection on the Ethernet port.

USB 2 connector: Connect a USB device to this connector.

System serial connector: Connect a 9-pin serial device to this connector.

SP Serial connector: Connect a 9-pin serial device to this connector.

Mouse connector: Connect a mouse or other device to this connector.

Keyboard connector: Connect a keyboard to this connector.

Remote Supervisor Adapter II SlimLine error LED: This LED is on the I/O board

and is visible on the rear of the server. When this LED is lit, it indicates that there is a problem with the IBM Remote Supervisor Adapter II SlimLine.

IXA RS485 connector: Use this connector to connect to an iSeries server when an

Integrated xSeries Adapter (IXA) is installed.

6 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

The optional Integrated xSeries Adapter (IXA) cab be installed only in slot 2. You must move jumpers J35 and J40 on the IXA. For details about installing the IXA, see the documentation that comes with the adapter.

I/O board error LED: This LED is on the I/O board and is visible on the rear of the

server. When this LED is lit, it indicates that there is a problem with the I/O board.

Gigabit Ethernet 2 activity LED: This LED is on the Gigabit Ethernet 2 connector.

When this LED flashes, it indicates that there is activity between the server and the network.

Gigabit Ethernet 2 connector: Use this connector to connect the server to a

network.

Gigabit Ethernet 2 link LED: This LED is on the Gigabit Ethernet 2 connector.

When this LED is lit, it indicates that there is an active connection on the Ethernet port.

Gigabit Ethernet 1 activity LED: This LED is on the Gigabit Ethernet 1 connector.

When this LED flashes, it indicates that there is activity between the server and the network.

Gigabit Ethernet 1 connector: Use this connector to connect the server to a

network.

Gigabit Ethernet 1 link LED: This LED is on the Gigabit Ethernet 1 connector.

When this LED is lit, it indicates that there is an active connection on the Ethernet port.

Power-supply connector: Connect the power cord to this connector.

SMP Expansion Port 1 link LED: When this LED is lit, it indicates that there is an

active connection on SMP Expansion Port 1.

SMP Expansion Port 1 connector: Use this connector to connect the server to

other servers to form multi-node configurations.

SMP Expansion Port 2 connector: Use this connector to connect the server to

other servers to form multi-node configurations.

SMP Expansion Port 2 link LED: When this LED is lit, it indicates that there is an

active connection on SMP Expansion Port 2.

SMP Expansion Port 3 connector: Use this connector to connect the server to

other servers to form multi-node configurations.

SMP Expansion Port 3 link LED: When this LED is lit, it indicates that there is an

active connection on SMP Expansion Port 3.

Chapter 1. Introduction 7

Internal LEDs, connectors, and jumpers

The following illustrations show the connectors, LEDs, and jumpers on the internal boards. The illustrations might differ slightly from your hardware.

I/O board internal connectors and jumpers

The following illustration shows the internal connectors and jumpers on the I/O board.

The following table describes the function of each three-pin jumper block.

Table 2. I/O board jumper blocks

Jumper name Description

Force power on (J2) The default position is pins 1 and 2. Change the position of this

jumper to pins 2 and 3 to force the server to start up when you connect the server to ac power.

Power-on password (J9) The default position is pins 1 and 2. Change the position of this

jumper to pins 2 and 3 to bypass the power-on password check.

Changing the position of this jumper does not affect the administrator password check if an administrator password is set. If the administrator password is lost, the operator information panel must be replaced.

Boot recovery (J14) The default position is pins 1 and 2 (use the primary page during

startup). Move the jumper to pins 2 and 3 to use the secondary page during startup.

Wake on LAN® bypass (J15) The default position is pins 1 and 2. Move the jumper to pins 2 and

3 to prevent a Wake on LAN packet from waking the system when the system is in the powered-off state.

8 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Memory-card connectors

The following illustration shows the connectors on the memory card.

Memory-card LEDs

The following illustration shows the LEDs on the memory card.

Light path diagnostics button

Light path diagnostics button power LED

DIMM 1

DIMM 2

DIMM 3

DIMM 4

Memory card error LED

To p view of the memory card

Memory Port Power

Error

Memory Hot-Swap Enabled

DIMM 1 error LED

DIMM 2 error LED

DIMM 3 error LED

DIMM 4 error LED

Chapter 1. Introduction 9

Microprocessor-board connectors and LEDs

The following illustration shows the connectors and LEDs on the microprocessor board.

Light path diagnostics button

Fan 6

Fan 2

Memory card 1

Fan 7

Fan 3

Memory card 2

Memory card 3

Fan 8

Fan 5

Fan 1

Microprocessor 1 socket

Microprocessor 2 socket

Microprocessor 1 error LED

PCI-X board connectors

The following illustration shows the connectors on the PCI-X board.

PCI slot 1 266 MHz 64-bit

PCI-X slot 2 266 MHz 64-bit

PCI-X slot 3 266 MHz 64-bit

PCI-X slot 4 266 MHz 64-bit

PCI-X slot 5 266 MHz 64-bit

PCI-X slot 6 266 MHz 64-bit

11 22

Microprocessor 2 error LED

Microprocessor 3 error LED

Microprocessor 3 socket

Microprocessor 4 error LED

Microprocessor 4 socket

Attention LED

Power LED

ServeRAID-8i

Active PCI cable

I/O board

Memory card 4

Microprocessor card error LED

Fan 4

Microprocessor 3 VRM connector

Microprocessor 4 VRM connector

VRM 4 error LED

VRM 3 error LED

10 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

SAS internal power cable connector

PCI-X board LEDs

The following illustration shows the LEDs on the PCI-X board.

PCI power LEDs

Power good LED

PCI attention LEDs

SAS-backplane connectors

The following illustration shows the connectors on the SAS backplane.

Front of SAS backplane

Back of SAS backplane

SAS hard disk drive connectors

SAS signal cable 2SAS signal cable 1 SAS power

Chapter 1. Introduction 11

12 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Chapter 2. Configuration information and instructions

This chapter provides information about updating the firmware and using the configuration utilities.

Updating the firmware

The firmware in the server is periodically updated and is available for download on the Web. Go to http://www.ibm.com/servers/eserver/support/xseries/index.html to check for the latest level of firmware, such as BIOS code, vital product data (VPD) code, device drivers, and service processor firmware.

When you replace a device in the server, you might have to either update the server with the latest version of the firmware that is stored in memory on the device or restore the pre-existing firmware from a diskette or CD image.

v BIOS code and the diagnostics programs are stored in ROM on the

microprocessor board.

v BMC firmware is stored in ROM on the baseboard management controller on the

microprocessor board.

v Ethernet firmware is stored in ROM on the Ethernet controller on the PCI-X

board.

v ServeRAID firmware is stored in ROM on the ServeRAID adapter.

v SAS firmware is stored in ROM on the SAS controller on the I/O board.

v Major components contain vital product data (VPD) code. You can select to

update the VPD code during the BIOS code update procedure.

Configuring the server

The ServerGuide™ Setup and Installation CD provides software setup tools and installation tools that are specifically designed for your IBM server. Use this CD during the initial installation of the server to configure basic hardware features and to simplify the operating-system installation.

In addition to the ServerGuide Setup and Installation CD, you can use the following configuration programs to customize the server hardware:

v UpdateXpress program

v Configuration/Setup Utility program

v Baseboard management controller utility programs

v Preboot Execution Environment (PXE) boot agent utility program

v SAS/SATA Configuration Utility program

v ServeRAID Manager

v Scalable Partition Web Interface

section contains basic information about these programs. For detailed

This information about these programs, see “Configuring the server” in the User’s Guide on the IBM System x Documentation CD.

Using the ServerGuide Setup and Installation CD

The ServerGuide Setup and Installation CD provides programs to detect the server model and installed hardware options, configure the server hardware, provide device drivers, and help you install the operating system. For information about the

supported operating-system versions, see the label on the CD. If the ServerGuide Setup and Installation CD did not come with your server, you can download the

latest version from http://www.ibm.com/pc/qtechinfo/MIGR-4ZKPPT.html.

To start the ServerGuide Setup and Installation CD, complete the following steps:

1. Insert the CD, and restart the server.

2. Follow the instructions on the screen to:

a. Select your language.

b. Select your keyboard layout and country.

c. View the overview to learn about ServerGuide features.

d. View the readme file to review installation tips about your operating system

and adapter.

e. Start the setup and hardware configuration programs.

f. Start the operating-system installation. You will need your operating-system

CD.

Using the UpdateXpress program

The UpdateXpress program is available for most IBM System x and xSeries servers and server options. It detects supported and installed device drivers and firmware in your server and installs available updates. You 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/servers/ eserver/xseries/systems_management/ibm_director/ extensions/xpress.html.

Using the Configuration/Setup Utility program

Use the Configuration/Setup Utility program to:

v View configuration information

v View and change assignments for devices and I/O ports

v Set the date and time

v Set and change passwords

v Set the startup characteristics of the server and the order of startup devices

v Set and change settings for advanced hardware features

v View and clear error logs

v Change interrupt request (IRQ) settings

v Enable USB legacy keyboard and mouse support

v Resolve configuration conflicts

to http://www.ibm.com/servers/eserver/support/xseries/index.html to check for

Go the latest version of the BIOS code.

Starting the Configuration/Setup Utility program

To start the Configuration/Setup Utility program, complete the following steps:

1. Turn on the server.

2. When the prompt Press F1 for Configuration/Setup appears, press F1. If you

have set both a power-on password and an administrator password, you must type the administrator password to access the full Configuration/Setup Utility menu. If you do not type the administrator password, a limited Configuration/Setup Utility menu is available.

3. Select settings to view or change.

14 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Configuration/Setup Utility menu choices

The following choices are on the Configuration/Setup Utility main menu. Depending on the version of the BIOS code in the server, some menu choices might differ slightly from these descriptions.

v System Summary

Select this choice to view configuration information, including the type, speed, and cache sizes of the microprocessors, type and speed of installed USB devices, and the amount of installed memory. When you make configuration changes through other options in the Configuration/Setup Utility program, the changes are reflected in the system summary; you cannot change settings directly in the system summary.

This choice is on the full and limited Configuration/Setup Utility menu.

v System Information

Select this choice to view information about the server. When you make changes through other options in the Configuration/Setup Utility program, some of those changes are reflected in the system information; you cannot change settings directly in the system information.

This choice is on the full Configuration/Setup Utility menu only. – Product Data

Select this choice to view the machine type and model of the server, the serial number, the revision level or issue date of the BIOS and diagnostics code stored in electrically erasable programmable ROM (EEPROM), and the revision level of the firmware on the Remote Supervisor Adapter II SlimLine.

– System Card Data

Select this choice to view VPD for some server components.

Devices and I/O Ports

Select this choice to view or change assignments for devices and input/output (I/O) ports.

Select this choice to enable or disable integrated SAS and Ethernet controllers and all standard ports (such as serial and parallel). Enable is the default setting for all controllers. If you disable a device, it cannot be configured, and the operating system will not be able to detect it (this is equivalent to disconnecting the device). If you disable the integrated Ethernet controller and no Ethernet adapter is installed, the server will have no Ethernet capability. If you disable the integrated USB controller, the server will have no USB capability; to maintain USB capability, make sure that Enabled is selected for the USB Host Controller and USB BIOS Legacy Support options.

Note: If the USB host controller is disabled, the Remote Supervisor Adapter II

SlimLine remote keyboard, remote mouse, remote disk, OS watchdog, and in-band management functions are also disabled.

This choice is on the full Configuration/Setup Utility menu only.

v Date and Time

Select this choice to set the date and time in the server, in 24-hour format (hour:minute:second).

This choice is on the full Configuration/Setup Utility menu only.

v System Security

Select this choice to set passwords. See “Passwords” on page 18 for more information about passwords. Yo u can also enable the chassis-intrusion detector to alert you each time the server cover is removed.

This choice is on the full Configuration/Setup Utility menu only.

Chapter 2. Configuration information and instructions 15

– Power-on Password

Select this choice to set or change a power-on password. See “Power-on password” on page 18 for more information.

– Administrator Password

Attention: If you set an administrator password and then forget it, there is

no way to change, override, or remove it. You must replace the I/O board.

Select this choice to set or change an administrator password. An administrator password is intended to be used by a system administrator; it limits access to the full Configuration/Setup Utility menu. If an administrator password is set, the full Configuration/Setup Utility menu is available only if you type the administrator password at the password prompt. See “Administrator password” on page 19 for more information.

This choice is on the Configuration/Setup Utility menu only if an IBM Remote Supervisor Adapter II SlimLine is installed.

v Start Options

Select this choice to view or change the start options. Changes in the start options take effect when you restart the server.

You can specify whether the server starts with the keyboard number lock on or off. You can enable the server to run without a diskette drive, monitor, or keyboard.

The startup sequence specifies the order in which the server checks devices to find a boot record. The server starts from the first boot record that it finds. If the server has Wake on LAN hardware and software and the operating system supports Wake on LAN functions, you can specify a startup sequence for the Wake on LAN functions.

If you enable the boot fail count, the BIOS default settings will be restored after three consecutive failures to find a boot record.

You can enable a virus-detection test that checks for changes in the boot record when the server starts.

You can enable the use of a USB keyboard in a DOS or System Setup environment. If a PS/2 keyboard is detected, the USB legacy operation will be disabled.

This choice is on the full Configuration/Setup Utility menu only.

v Advanced Setup

Select this choice to change settings for advanced hardware features.

Important: The server might malfunction if these options are incorrectly

configured. Follow the instructions on the screen carefully.

This choice is on the full Configuration/Setup Utility menu only. – System Partition Visibility

Select this choice to specify whether the system partition is visible or hidden.

– 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 automatically disables the failing pair of memory connectors and continues operating with reduced memory. After the problem is corrected, you must manually enable memory connectors. Use the arrow keys to highlight the pair of memory connectors that you want to enable, and use the arrow keys to select Enable.

- Memory hole remapping above 64 GB

16 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Select Disable to prevent memory gap remapping above 64 GB. Enable is the default setting. Memory gap remapping above 64 GB occurs when 64 GB of system memory is installed. The memory gap created for use by I/O devices is reclaimed above 64 GB.

CPU Options

–

Select this choice to enable or disable the Hyper-Threading Technology and to select the clustering technology settings.

– PCI Slot/Device Information

Select this choice to view system resources that are used by installed PCI/PCI-X devices. PCI/PCI-X devices are usually configured automatically. This information is saved when you exit. The Save Settings, Restore Settings, and Load Default Settings choices on the Configuration/Setup Utility main menu do not save the PCI Slot/Device Information settings.

This selection is only available when a Remote Supervisor II Adapter SlimLine is installed in the server.

– RSA II Settings

Select this choice to view and change Remote Supervisor Adapter II SlimLine settings. Select Save Values and Reboot RSA II to save the changes you have made in the settings and restart the Remote Supervisor Adapter II SlimLine.

– Baseboard management controller (BMC) settings

Select this choice to view information and to change baseboard management controller (BMC) settings.

- BMC firmware Ver

This is a nonselectable menu item that displays the BMC firmware version.

- BMC POST Watchdog Enable or disable the BMC POST watchdog. Disable is the default setting.

- BMC POST Watchdog Timeout Set the BMC POST watchdog timeout value. 5 minutes is the default setting.

- System BMC Serial Port Sharing Enable or disable the system BMC serial port sharing. Enable is the default setting.

- BMC Serial Port Access Mode Share or disable the BMC serial port access mode. Shared is the default setting.

- Reboot system on NMI If you enable this option, the server automatically restarts 60 seconds after the service processor issues a nonmaskable interrupt (NMI) to the server. If you disable this option, the server does not restart. Enable is the default setting.

- BMC Network Configuration Select this choice to view the BMC Network Configuration information.

- BMC System Event Log Select this choice to view the BMC system event log, which contains all system error and warning messages that have been generated. Use the arrow keys to move between pages in the log. If an optional IBM Remote Supervisor Adapter II SlimLine is installed, the full text of the error messages is displayed; otherwise, the log contains only numeric error codes. Run the diagnostic program to get more information about error

Chapter 2. Configuration information and instructions 17

codes that occur. See the Problem Determination and Service Guide on the IBM System x Documentation CD for instructions. Select Clear error logs to clear the BMC system event log.

v Error Logs

Select this choice to view or clear error logs.

This choice is available on the full Configuration/Setup Utility menu only. – POST Error Log

Select this choice to view the three most recent error codes and messages that were generated during POST. Select Clear error logs to clear the POST error log.

Save Settings

Select this choice to save the changes that you have made in the settings.

v Restore Settings

Select this choice to cancel the changes that you have made in the settings and restore the previous settings.

v Load Default Settings

Select this choice to cancel the changes you have made in the settings and restore the factory settings.

v Exit Setup

Select this choice to exit from the Configuration/Setup Utility program. If you have not saved the changes you have made in the settings, you are asked whether you want to save the changes or exit without saving them.

Passwords

From the System Security choice, you can set, change, and delete a power-on password and an administrator password. The System Security choice is on the full Configuration/Setup menu only.

If you set only a power-on password, you must type the power-on password to complete the system startup, and you have access to the full Configuration/Setup Utility menu.

An administrator password is intended to be used by a system administrator; it limits access to the full Configuration/Setup Utility menu. If you set only an administrator password, you do not have to type a password to complete the system startup, but you must type the administrator password to access the Configuration/Setup Utility menu.

If you set a power-on password for a user and an administrator password for a system administrator, you can type either password to complete the system startup. A system administrator who types the administrator password has access to the full Configuration/Setup Utility menu; the system administrator can give the user authority to set, change, and delete the power-on password. A user who types the power-on password has access to only the limited Configuration/Setup Utility menu; the user can set, change, and delete the power-on password, if the system administrator has given the user that authority.

Power-on password: If a power-on password is set, when you turn on the server,

the system startup will not be completed until you type the power-on password. Yo u can use any combination of up to seven characters (A–Z, a–z, and 0–9) for the password.

18 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

If a power-on password is set, you can enable the Unattended Start mode, in which the keyboard and mouse remain locked but the operating system can start. You can unlock the keyboard and mouse by typing the power-on password.

If you forget the power-on password, you can regain access to the server in any of the following ways:

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

password prompt. Start the Configuration/Setup Utility program and reset the power-on password.

v Remove the battery from the server and then reinstall it. For instructions on

removing the battery, see “Battery” on page 46.

v Change the position of the power-on password override jumper on the I/O board

to bypass the power-on password check.

Attention: Before changing any switch settings or moving any jumpers, turn off

the server; then, disconnect all power cords and external cables. See “Safety” on page vii. Do not change settings or move jumpers on any system-board switch or jumper blocks that are not shown in this document.

The following illustration shows the location of the power-on password override, boot recovery, and Wake on LAN bypass jumpers.

SAS 1

SAS 2

Remote Supervisor Adapter II SlimLine

Media backplane

Light path diagnostic

Power-on password override

Boot recovery Wake-on-LAN

bypass

Front USB Battery

System serial (COM 1)

SP serial (COM 2)

123

Default jumper position

While the server is turned off, move the power-on password jumper from pins 1 and 2 to pins 2 and 3. Yo u can then start the Configuration/Setup Utility program and reset the power-on password. After you reset the password, turn off the server again and move the jumper back to pins 1 and 2.

The power-on password override switch does not affect the administrator password.

Administrator

password: If an administrator password is set, you must type the

administrator password for access to the full Configuration/Setup Utility menu. You can use any combination of up to seven characters (A–Z, a–z, and 0–9) for the password. The Administrator Password choice is on the Configuration/Setup Utility menu only if an optional IBM Remote Supervisor Adapter II SlimLine is installed.

Attention: If you set an administrator password and then forget it, there is no way

to change, override, or remove it. You must replace the I/O board.

Chapter 2. Configuration information and instructions 19

Installing and using the baseboard management controller utility programs

The baseboard management controller provides environmental monitoring for the server. If environmental conditions exceed thresholds or if system components fail, the baseboard management controller lights LEDs to help you diagnose the problem and also records the error in the BMC system event log.

Also use the baseboard management controller to establish a Serial over LAN (SOL) connection to manage servers from a remote location. Yo u can remotely view and change the BIOS settings, restart the server, identify the server, and perform other management functions. Any standard Telnet client application can access the SOL connection.

Use the baseboard management controller firmware update utility program to download a baseboard management controller firmware update. The firmware update utility program updates the baseboard management controller firmware only and does not affect any device drivers.

To download the utility program, go to http://www.ibm.com/servers/eserver/support/ xseries/index.html; then, copy the Flash.exe file to a firmware update diskette.

Notes:

1. The server Ethernet ports are set to DHCP by default. The BMC MAC address can be found on a tag on the front of the server. Once you have deployed the server, remove the BMC MAC address tag so that it does not impede airflow through the front of the server.

2. To ensure proper server operation, be sure to update the server baseboard management controller firmware before updating the BIOS code.

Using the SAS/SATA Configuration Utility program

Use the SAS/SATA Configuration Utility program to view or change SAS controller settings.

To start the SAS/SATA Configuration Utility program, complete the following steps:

1. Turn on the server.

2. When the message Press <CTRL><A> for Adaptec SAS/SATA Configuration

Utility appears, press Ctrl+A. If an administrator password has been set, you

are prompted to type the password.

3. Follow the instructions on the screen to configure the controller settings.

to http://www.ibm.com/servers/eserver/support/xseries/index.html to check for

Go the latest version of the SAS firmware.

Configuring the Ethernet controller

The Ethernet controller is integrated on the system board. It provides an interface for connecting to a 10-Mbps, 100-Mbps, or 1-Gbps network and provides full-duplex (FDX) capability, which enables simultaneous transmission and reception of data on the network. If the Ethernet ports in the server support auto-negotiation, the controller detects the data-transfer rate (10BASE-T, 100BASE-TX, or 1000BASE-T) and duplex mode (full-duplex or half-duplex) of the network and automatically operates at that rate and mode.

20 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

You do not have to set any jumpers or configure the controller. However, you must install a device driver to enable the operating system to address the controller. For device drivers and information about configuring the Ethernet controller, see the

Broadcom NetXtreme Gigabit Ethernet Software CD that comes with the server. For

updated information about configuring the controller, go to http://www.ibm.com/ servers/eserver/support/xseries/index.html.

Using the PXE boot agent utility program

Use the Preboot Execution Environment (PXE) boot agent utility program to enable or disable operating-system wake-up support.

Note: The server does not support changing the network boot protocol or

specifying the startup order of devices through the PXE boot agent utility program.

To start the PXE boot agent utility program, complete the following steps:

1. Turn on the server.

2. When the Initializing Intel (R) Boot Agent Version X.X.XX PXE 2.0 Build

XXX (WfM 2.0) prompt appears, press Ctrl+S. You have 2 seconds (by default)

to press Ctrl+S after the prompt appears. If the prompt does not appear, use the Configuration/Setup Utility program to enable the Ethernet PXE/DHCP option.

3. To select a choice from the menu, use the arrow keys and press Enter.

4. To change the settings of the selected items, follow the instructions on the screen.

Using the ServeRAID configuration programs

A ServeRAID controller enables you to configure multiple physical hard disk drives to operate as logical drives in a disk array. The controller comes with a CD that contains the ServeRAID Manager program and the ServeRAID Mini-Configuration program, which you can use to configure the ServeRAID controller. For information about these programs, see the documentation that comes with the ServeRAID controller and the User’s Guide on the IBM System x Documentation CD. If the server comes with an operating system installed, such as Microsoft Windows 2000 Datacenter Server, see the software documentation that comes with the server for configuration information.

Using the Scalable Partition Web Interface

The Scalable Partition Web Interface is an extension of the Remote Supervisor Adapter II Web Interface and is used to create, delete, control, and view scalable partitions. The Scalable Partition Web Interface is in the Remote Supervisor Adapter II SlimLine integrated service processor.

To start the Scalable Partition Web Interface, complete the following steps:

1. Make sure that the service processor on each node is configured and connected to a separate hub or switch and separate network for the multi-node configuration. See the Remote Supervisor Adapter II SlimLine and Remote

Supervisor Adapter II User’s Guide for more information.

2. Connect the SMP Expansion cables to the nodes. See the User ’s Guide on the IBM System x Documentation CD.

3. Connect all nodes to an ac power source and make sure that they are not running an operating system.

Chapter 2. Configuration information and instructions 21

4. Log in to the Remote Supervisor Adapter II Web Interface from the primary node. See the Remote Supervisor Adapter II SlimLine and Remote Supervisor

Adapter II User’s Guide for more information.

22 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Chapter 3. Parts listing, Type 8878 and 8879

The following replaceable components are available for the System x3950 Type 8878 and System x3950 E Type 8879 except as specified otherwise in Table 3 on page 25. To check for an updated parts listing on the Web, complete the following steps:

1. Go to http://www.ibm.com/servers/eserver/support/xseries/index.html.

2. From the Hardware list, select System x3950 or System x3950 E and click Go.

3. Click the Install and use tab.

4. Under Technical resources, click Parts information.

FRONT

25 24

24 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Server replaceable units

Notes:

1. Field replaceable units (FRUs) must be serviced only by trained service technicians.

2. Customer replaceable units (CRUs) can be replaced by the customer. Tier 1 CRUs and Tier 2 CRUs are described in the IBM “Statement of Limited Warranty” (at “Part 3 - Warranty Information”), which is in the Warranty and

Support Information document on the IBM System x Documentation CD.

Table 3. Parts listing, Type 8878 and 8879

CRU No.

Index Description

(Tier 1)

1 To p cover (all models) 26K8947

2 Power supply, 1300 W (all models) 24R2723

3 Power supply structure (all models) 26K8950

4 Power backplane (all models) 41Y3188

5 Scalability cartridge assembly (all models) 25K9606

6 PCI board assembly (all models) 42C7558

7 PCI switch card assembly (all models) 39M2699

8 Chassis assembly (all models) 42D3935

9 Fan (92 mm) (all models) 39M2694

10 Carrier, LP/media (all models) 42D3936

11 CD drive, 8/24X (primary) (all models) 39M3533

11 CD drive, 8/24X (alternate) (all models) 39M3541

11 CD drive, 8/24X (alternate) (all models) 39M3563

11 CD drive, 24X (optional) 26K5427

11 CD drive, 24X (optional) 39M3559

11 CD drive, 127MM (optional) 39M3529

11 CD drive, 127MM (optional) 39M3567

11 CD-RW drive, 14X (optional) 39M3503

11 DVD drive (optional) 42C0955

12 Microprocessor VRM, 10.2 (optional) 39Y7256

13 Microprocessor tray (all models) 40K2478

14 x3950 bezel (all models) 42C2615

14 x3950 E bezel (all models) 42C2616

15 Microprocessor, 2.5 GHZ 42D3357

15 Microprocessor, 3.0 GHZ 42D3359

15 Microprocessor, 3.16 GHZ 42D3361

15 Microprocessor, 3.33 GHZ 42D3363

15 Microprocessor, 3.5 GHZ 43V9473

16 Heat sink (all models) 26K8805

17 Microprocessor baffle (all models) 26K9020

18 Hard disk drive filler (all models) 26K8680

CRU No.

(Tier 2) FRU No.

Chapter 3. Parts listing, Type 8878 and 8879 25

Table 3. Parts listing, Type 8878 and 8879 (continued)

CRU No.

Index Description

(Tier 1)

19 Hard disk drive, 36 GB (optional) 39R7364

19 Hard disk drive, 73 GB (optional) 39R7366

20 Air baffle (all models) 01R1479

21 Memory, 1 GB PC3200 ECC (models 1Rx, 2Rx, 3Rx) 39M5808

21 Memory, 2 GB PC3200 ECC (model 4Rx) 39M5811

21 Memory, 4 GB PC3200 ECC (optional) 30R5146

22 Memory card (all models) 41Y3153

23 Fan (80 mm) (all models) 39M2693

24 SAS hard disk drive backplane (all models) 41Y3161

25 PCI adapter guide assembly (all models) 26K8951

26 I/O board (all models) 41Y3152

27 RSA 2 adapter (standard models 2Rx, 3Rx, 4Rx) (optional

13N0833

model 1Rx)

28 PCI divider (all models) 03K9050

Alcohol wipe, Canada 41Y8746

Alcohol wipe, Brazil/Mexico 41Y8747

Alcohol wipe, Taiwan/Japan 41Y8748

Alcohol wipe, China/Malaysia 41Y8749

Alcohol wipe, Australia/UK 41Y8750

Alcohol wipe, Korea 41Y8751

Alcohol wipe, Hungary 41Y8753

Alcohol wipe, Latin America 41Y8754

Alcohol wipe, China 41Y8757

Alcohol wipe, Hong Kong 41Y8758

Alcohol wipe, India 41Y8759

Alcohol wipe, Singapore 41Y8760

Alcohol wipe, other countries 41Y8752

Battery, 3.0 volt (all models) 33F8354

Cable, active PCI (all models) 39M2509

Cable, CD/DVD signal (all models) 25K9626

Cable management arm (all models) 40K6556

Cable, SAS power (all models) 42C2618

Cable, SAS signal (all models) 25K9610

Cable, serial (all models) 39M2641

Cable, USB (all models) 25K9618

DVD/CD bay filler (type 8879 all models only) 26K8938

EIA mounting bracket (all models) 26K8948

Kit, shipping bracket (all models) 40K6592

Lift handle kit (all models) 39M2696

CRU No.

(Tier 2) FRU No.

26 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Table 3. Parts listing, Type 8878 and 8879 (continued)

Index Description

Line cord (all models) 39M5377

Retention module (all models) 26K8836

Scalability connector filler (all models) 26K8943

ServeRAID-8i card (standard type 8878 model 2Rx, 3Rx, 4Rx) (optional type 8878 model 1Rx and type 8879 model 1Rx)

ServeRAID-8i battery pack (standard type 8878 model 2Rx, 3Rx, 4Rx) (optional type 8878 model 1Rx and type 8879 model 1Rx)

Slide kit (all models) 40K6591

System service label (all models) 42D3932

Thermal grease (all models) 41Y8755

Power cords

For your safety, IBM provides a power cord with a grounded attachment plug to use with this IBM product. To avoid electrical shock, always use the power cord and plug with a properly grounded outlet.

CRU No.

(Tier 1)

CRU No.

(Tier 2) FRU No.

39R8731

25R8118

IBM power cords used in the United States and Canada are listed by Underwriter’s Laboratories (UL) and certified by the Canadian Standards Association (CSA).

For units intended to be operated at 11 5 volts: Use a UL-listed and CSA-certified cord set consisting of a minimum 18 AWG, Type SVT or SJT, three-conductor cord, a maximum of 15 feet in length and a parallel blade, grounding-type attachment plug rated 15 amperes, 125 volts.

For units intended to be operated at 230 volts (U.S. use): Use a UL-listed and CSA-certified cord set consisting of a minimum 18 AWG, Type SVT or SJT, three-conductor cord, a maximum of 15 feet in length and a tandem blade, grounding-type attachment plug rated 15 amperes, 250 volts.

For units intended to be operated at 230 volts (outside the U.S.): Use a cord set with a grounding-type attachment plug. The cord set should have the appropriate safety approvals for the country in which the equipment will be installed.

IBM power cords for a specific country or region are usually available only in that country or region.

IBM power cord part number Used in these countries and regions

02K0546 China

13F9940 Australia, Fiji, Kiribati, Nauru, New Zealand, Papua New Guinea

Chapter 3. Parts listing, Type 8878 and 8879 27

IBM power cord part number Used in these countries and regions

13F9979 Afghanistan, Albania, Algeria, Andorra, Angola, Armenia, Austria,

Azerbaijan, Belarus, Belgium, Benin, Bosnia and Herzegovina, Bulgaria, Burkina Faso, Burundi, Cambodia, Cameroon, Cape Verde, Central African Republic, Chad, Comoros, Congo (Democratic Republic of), Congo (Republic of), Cote D’Ivoire (Ivory Coast), Croatia (Republic of), Czech Republic, Dahomey, Djibouti, Egypt, Equatorial Guinea, Eritrea, Estonia, Ethiopia, Finland, France, French Guyana, French Polynesia, Germany, Greece, Guadeloupe, Guinea, Guinea Bissau, Hungary, Iceland, Indonesia, Iran, Kazakhstan, Kyrgyzstan, Laos (People’s Democratic Republic of), Latvia, Lebanon, Lithuania, Luxembourg, Macedonia (former Yugoslav Republic of), Madagascar, Mali, Martinique, Mauritania, Mauritius, Mayotte, Moldova (Republic of), Monaco, Mongolia, Morocco, Mozambique, Netherlands, New Caledonia, Niger, Norway, Poland, Portugal, Reunion, Romania, Russian Federation, Rwanda, Sao Tome and Principe, Saudi Arabia, Senegal, Serbia, Slovakia, Slovenia (Republic of), Somalia, Spain, Suriname, Sweden, Syrian Arab Republic, Tajikistan, Tahiti, Togo, Tunisia, Turkey, Turkmenistan, Ukraine, Upper Volta, Uzbekistan, Vanuatu, Vietnam, Wallis and Futuna, Yugoslavia (Federal Republic of), Zaire

13F9997 Denmark

14F0015 Bangladesh, Lesotho, Macao, Maldives, Namibia, Nepal,

Pakistan, Samoa, South Africa, Sri Lanka, Swaziland, Uganda

14F0033 Abu Dhabi, Bahrain, Botswana, Brunei Darussalam, Channel

Islands, China (Hong Kong S.A.R.), Cyprus, Dominica, Gambia, Ghana, Grenada, Iraq, Ireland, Jordan, Kenya, Kuwait, Liberia, Malawi, Malaysia, Malta, Myanmar (Burma), Nigeria, Oman, Polynesia, Qatar, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Seychelles, Sierra Leone, Singapore, Sudan, Tanzania (United Republic of), Trinidad and Tobago, United Arab Emirates (Dubai), United Kingdom, Yemen, Zambia, Zimbabwe

14F0051 Liechtenstein, Switzerland

14F0069 Chile, Italy, Libyan Arab Jamahiriya

14F0087 Israel

1838574 Antigua and Barbuda, Aruba, Bahamas, Barbados, Belize,

Bermuda, Bolivia, Brazil, Caicos Islands, Canada, Cayman Islands, Costa Rica, Colombia, Cuba, Dominican Republic, Ecuador, El Salvador, Guam, Guatemala, Haiti, Honduras, Jamaica, Japan, Mexico, Micronesia (Federal States of), Netherlands Antilles, Nicaragua, Panama, Peru, Philippines, Taiwan, United States of America, Venezuela

24P6858 Korea (Democratic People’s Republic of), Korea (Republic of)

34G0232 Japan

36L8880 Argentina, Paraguay, Uruguay

49P2078 India

49P2110 Brazil

28 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

IBM power cord part number Used in these countries and regions

6952300 Antigua and Barbuda, Aruba, Bahamas, Barbados, Belize,

Bermuda, Bolivia, Caicos Islands, Canada, Cayman Islands, Colombia, Costa Rica, Cuba, Dominican Republic, Ecuador, El Salvador, Guam, Guatemala, Haiti, Honduras, Jamaica, Mexico, Micronesia (Federal States of), Netherlands Antilles, Nicaragua, Panama, Peru, Philippines, Saudi Arabia, Thailand, Taiwan, United States of America, Venezuela

Chapter 3. Parts listing, Type 8878 and 8879 29

30 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Chapter 4. Removing and replacing server components

Replaceable components are of three types:

v Tier 1 customer replaceable unit (CRU): Replacement of Tier 1 CRUs is your

responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation.

v Tier 2 customer replaceable unit: Yo u may install a Tier 2 CRU yourself or

request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server.

v Field replaceable unit (FRU): FRUs must be installed only by trained service

technicians.

Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine

See whether a component is a Tier 1 CRU, Tier 2 CRU, or FRU.

For information about the terms of the warranty and getting service and assistance, see the Warranty and Support Information document.

Installation guidelines

Before you install options, read the following information:

v Read the safety information that begins on page vii, “Working inside the server

with the power on” on page 33, and the guidelines in “Handling static-sensitive devices” on page 33. This information will help you work safely.

v When you install your new server, take the opportunity to download and apply

the most recent firmware updates. This step will help to ensure that any known issues are addressed and that your server is ready to function at maximum levels of performance. To download firmware updates for your server, go to http://www.ibm.com/servers/eserver/support/xseries/index.html, select System

x3950 or System x3950 E from the Hardware list, click Go, and then click the Download tab. For additional information about tools for updating, managing,

and deploying firmware, see the System x and xSeries Tools Center at http://publib.boulder.ibm.com/infocenter/toolsctr/v1r0/index.jsp.

v Before you install optional hardware devices, make sure that the server is

working correctly. Start the server, and make sure that the operating system starts, if an operating system is installed, or that a 19990305 error code is displayed, indicating that an operating system was not found but the server is otherwise working correctly. If the server is not working correctly, see Chapter 5, “Diagnostics,” on page 65 for diagnostic information.

v Observe good housekeeping in the area where you are working. Place removed

covers and other parts in a safe place.

v If you must start the server while the cover is removed, make sure that no one is

near the server and that no tools or other objects have been left inside the server.

v Do not attempt to lift an object that you think is too heavy for you. If you have to

lift a heavy object, observe the following precautions:

– Make sure that you can stand safely without slipping.

– Distribute the weight of the object equally between your feet.

– Use a slow lifting force. Never move suddenly or twist when you lift a heavy

object.

– To avoid straining the muscles in your back, lift by standing or by pushing up

with your leg muscles.

Make sure that you have an adequate number of properly grounded electrical

outlets for the server, monitor, and other devices.

v Back up all important data before you make changes to disk drives.

v Have a small flat-blade screwdriver available.

v You do not have to turn off the server to install or replace hot-swap power

supplies, hot-swap fans, hot-plug adapters, or hot-plug Universal Serial Bus (USB) devices. However, you must turn off the server before you perform any steps that involve removing or installing adapter cables.

v Blue on a component indicates touch points, where you can grip the component

to remove it from or install it in the server, open or close a latch, and so on.

v Orange on a component or an orange label on or near a component indicates

that the component can be hot-swapped, which means that if the server and operating system support hot-swap capability, you can remove or install the component while the server is running. (Orange can also indicate touch points on hot-swap components.) See the instructions for removing or installing a specific hot-swap component for any additional procedures that you might have to perform before you remove or install the component.

v When you are finished working on the server, reinstall all safety shields, guards,

labels, and ground wires.

v For a list of supported optional devices for the server, see http://www.ibm.com/

servers/eserver/serverproven/compat/us/.

System reliability guidelines

To help ensure proper cooling and system reliability, make sure that:

v Each of the drive bays has a drive or a filler panel installed in it.

v If the server has redundant power, each of the power-supply bays has a power

supply installed in it.

v There is adequate space around the server to allow the server cooling system to

work properly. Leave approximately 50 mm (2 in.) of open space around the front and rear of the server. Do not place objects in front of the fans. For proper cooling and airflow, replace the server cover before turning on the server. Operating the server for extended periods of time (more than 30 minutes) with the server cover removed might damage server components.

v You have followed the cabling instructions that come with optional adapters.

v You have replaced a failed fan within 48 hours.

v You have replaced a hot-swap drive within 2 minutes of removal.

v You do not run the server without the air baffle installed. Operating the server

without the air baffle might cause the microprocessor or microprocessors to overheat.

v Microprocessor sockets 2, 3, and 4 each always contain either a microprocessor

baffle or a microprocessor and heat sink.

v For redundant and hot-swappable operation, the power supplies are connected to

200-240 V ac.

32 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Working inside the server with the power on

Attention: Static electricity that is released to internal server components when

the server is powered-on might cause the server to halt, which could result in the loss of data. To avoid this potential problem, always use an electrostatic-discharge wrist strap or other grounding system when working inside the server with the power on.

The server supports hot-swap devices and is designed to operate safely while it is turned on and the cover is removed. Follow these guidelines when you work inside a server that is turned on:

v Avoid wearing 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 and pencils, that could fall

into the server as you lean over it.

v Avoid dropping any metallic objects, such as paper clips, hairpins, and screws,

into the server.

Handling static-sensitive devices

Attention: Static electricity can damage the server and other electronic devices.

To avoid damage, keep static-sensitive devices in their static-protective packages until you are ready to install them.

To reduce the possibility of damage from electrostatic discharge, observe the following precautions:

v Limit your movement. Movement can cause static electricity to build up around

you.

v The use of a grounding system is recommended. For example, wear an

electrostatic-discharge wrist strap, if one is available. Always use an electrostatic-discharge wrist strap or other grounding system when working inside the server with the power on.

v Handle the device carefully, holding it by its edges or its frame.

v Do not touch solder joints, pins, or exposed circuitry.

v Do not leave the device where others can handle and damage it.

v While the device is still in its static-protective package, touch it to an unpainted

metal part on the outside 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, put 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. Heating reduces

indoor humidity and increases static electricity.

Returning a device or component

If you are instructed to return a device or component, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

Chapter 4. Removing and replacing server components 33

Connecting the cables

You must turn off the server before connecting any cables to or disconnecting any cables from the server.

See the documentation that comes with optional devices for additional cabling instructions. It might be easier for you to route cables before you install certain options.

For details about the location and function of the input and output connectors, see “Server controls, LEDs, and connectors” on page 4.

The following illustrations show the locations of the input and output connectors on the server. Detailed cabling instructions are in the Rack Installation Instructions that come with the server.

Rear view

Power-supply

SP Ethernet 10/100

USB 1

Video

USB 2

System serial

SP serial

SMP expansion port 1

SMP expansion port 2

SMP expansion port 3

Front view

Power-control button

USB connector

Power-on LED

Hard disk drive activity LED

Mouse

Keyboard

IXA RS 485

Gigabit Ethernet 2

Gigabit Ethernet 1

Information LED

Release latch

System-error LED

Locator LED

34 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Removing and replacing Tier 1 CRUs

Replacement of Tier 1 CRUs is your responsibility. If IBM installs a Tier 1 CRU at your request, you will be charged for the installation.

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

Adapter

To remove a PCI or PCI-X adapter, complete the following steps:

PCI-X retaining bar

PCI-X divider

Powe r LED (green)

Attention LED (yellow)

Ta b

Adapter retention latch

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. If the adapter is not hot-pluggable, turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to remove or install the adapter.

3. Remove the top cover (see “Top cover and bezel” on page 45).

4. Disconnect any cables from the adapter.

5. Open the blue PCI-X retaining bar by lifting the front edge.

6. Push the orange adapter retention latch toward the rear of the server and open the tab. The power LED for the slot turns off.

7. Carefully grasp the adapter by its top edge or upper corners, and pull the adapter from the server.

8. If you are instructed to return the adapter, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement PCI or PCI-X adapter, complete the following steps:

Chapter 4. Removing and replacing server components 35

DVD drive

1. See the documentation that comes with the adapter for instructions on setting jumpers or switches and for cabling.

Note: Route adapter cables before you install the adapter.

2. Carefully grasp the adapter by its top edge or upper corners, and align it with the connector on the PCI-X board.

3. If necessary, remove the adapter guide before installing a full-length adapter.

4. Press the adapter firmly into the adapter connector.

5. Push down on the blue PCI-X retaining bar to stabilize the adapter.

6. Close the tab; then, push down on the orange adapter retention latch until it clicks into place, securing the adapter.

7. Connect any required cables to the adapter.

8. Install the top cover (see “Top cover and bezel” on page 45).

9. Slide the server into the rack.

10. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

11. Turn on all attached devices and the server.

To remove the DVD drive, complete the following steps:

Retention latch

1. Read the safety information that begins on page vii and “Installation guidelines”

on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and

all external cables necessary to replace the device.

3. Remove the top cover and bezel (see “Top cover and bezel” on page 45).

4. Pull the blue retention latch forward and pull the DVD drive out of the server.

5. If you are instructed to return the DVD drive, follow all packaging instructions,

and use any packaging materials for shipping that are supplied to you.

To install the replacement DVD drive, compete the following steps:

1. Slide the DVD drive into the server to engage the drive.

2. Install the top cover and bezel (see “Top cover and bezel” on page 45).

3. Slide the server into the rack.

36 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Hot-swap fan

4. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

5. Turn on all attached devices and the server.

The server comes with 80-mm hot-swap fans in front of the PCI-X slots and 92-mm hot-swap fans in front of the memory cards. The following removal and installation procedures apply to either size fan. When a fan fails or is removed, the other fans in the server speed up to maintain a safe operating temperature in the server until the fan is reinstalled or replaced. When the fan is installed correctly the fans will slow down.

To remove a hot-swap fan, complete the following steps:

Fan error LED

Hot-swap fan 1

Hot-swap fan 5

Hot-swap fan 6

Hot-swap fan 7

Hot-swap fan 8

Hot-swap fan 2

Hot-swap fan 3

Hot-swap fan 4

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Remove the top cover (see “Top cover and bezel” on page 45).

Attention: To ensure proper cooling and airflow, do not operate the server for

more than 2 minutes with the top cover removed.

3. Open the fan-locking handle by sliding the orange release latch in the direction of the arrow.

4. Pull upward on the free end of the handle to lift the fan out of the server.

5. If you are instructed to return the fan, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement hot-swap fan, complete the following steps:

Chapter 4. Removing and replacing server components 37

1. Open the fan-locking handle on the replacement fan.

2. Lower the fan into the socket, and close the handle to the locked position.

3. Install the top cover (see “Top cover and bezel” on page 45).

4. Slide the server into the rack.

Hot-swap power supply

When you remove or install a hot-swap 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.

To remove the hot-swap power supply, complete the following steps:

38 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Locking latch

Locking handle (open)

Power supply 2 (PS2)

Power supply 1 (PS1)

AC power LED (green)

DC power LED (green)

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Remove the top cover (see “Top cover and bezel” on page 45).

Attention: To ensure proper cooling and airflow, do not operate the server for

more than 2 minutes with the top cover removed.

3. Disconnect the power cord from the connector on the back of the power supply.

4. Press the orange locking latch on the power-supply handle and raise the power-supply handle to the open position.

5. Lift the power supply out of the bay.

6. If you are instructed to return the hot-swap power supply, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement hot-swap power supply, complete the following steps:

1. Raise the handle on the power supply to the open position.

2. Place the power supply into the bay and fully close the locking handle.

3. Connect one end of the power cord for the new power supply into the connector on the back of the power supply, and connect the other end of the power cord into a properly grounded electrical outlet.

4. Make sure that the ac power LED on the top of the power supply is lit, indicating that the power supply is operating correctly. If the server is turned on, make sure that the dc power LED on the top of the power supply is lit also.

5. Install the top cover (see “Top cover and bezel” on page 45).

Chapter 4. Removing and replacing server components 39

6. Slide the server into the rack.

Memory card and memory module (DIMM)

The server supports 333 MHz, 1.8V, 240 pin, PC2-3200 single-ranked double data-rate (DDR) II, registered synchronous dynamic random-access memory (SDRAM) with error correcting code (ECC) DIMMs. These DIMMs must be compatible with the latest PC2-3200 SDRAM Registered DIMM specifications. For a list of the supported options for the server, see http://www.ibm.com/servers/eserver/ serverproven/compat/us/.

Removing and replacing a memory card

At least one memory card with one pair of DIMMs must be installed for the server to operate correctly.

To remove the memory card, complete the following steps:

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Remove the top cover (see “Top cover and bezel” on page 45).

Attention: To ensure proper cooling and airflow, do not operate the server for

more than 2 minutes with the top cover removed.

3. Open the locking levers on the edge of the memory card; then, lift the memory card out of the server.

4. If you are instructed to return the memory card, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

40 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

To install the replacement memory card, complete the following steps:

1. Insert the memory card into the memory card connector.

2. Press the memory card into the connector and close the locking levers.

3. Install the top cover (see “Top cover and bezel” on page 45).

4. Slide the server into the rack.

Removing and replacing a DIMM

DIMMs must be installed in pairs of the same type and speed. To use the memory mirroring feature, all the DIMMs that are installed in the server must be of the same type and speed, and the operating system must support memory mirroring.

To remove a DIMM, complete the following steps:

DIMM

Retaining clip

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. If you are removing a non-hot-swap DIMM, turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover (see “Top cover and bezel” on page 45).

Attention: To ensure proper cooling and airflow, do not operate the server for

more than 2 minutes with the top cover removed.

4. Remove the memory card (see “Removing and replacing a memory card” on page 40).

5. Place the memory card on a flat surface with the DIMM connectors facing up.

Attention: To avoid breaking the DIMM retaining clips or damaging the DIMM

connectors, open and close the clips gently.

6. Open the retaining clip on each end of the DIMM connector and remove the DIMM from the connector.

Chapter 4. Removing and replacing server components 41

DIMM

Retaining clip

7. If you are instructed to return the DIMM, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement DIMM, complete the following steps:

1. Open the retaining clip on each end of the DIMM connector.

2. Touch the static-protective package that contains the DIMM to any unpainted metal surface on the server. Then, remove the DIMM from the package.

3. Turn the DIMM so that the DIMM keys align correctly with the slot.

DIMM

4. Insert the DIMM into the connector by aligning the edges of the DIMM with the slots at the ends of the DIMM connector. Firmly press one end of the DIMM into the connector; then, press the other end into the connector. The retaining clips snap into the locked position when the DIMM is seated in the connector. If there is a gap between the DIMM and the retaining clips, the DIMM has not been correctly inserted; open the retaining clips, remove the DIMM, and then reinsert it.

42 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Retaining clip

5. Replace the memory card (see “Removing and replacing a memory card” on page 40).

6. Install the top cover (see “Top cover and bezel” on page 45).

7. Slide the server into the rack.

8. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

9. If you turned off the server to replace the DIMM, turn on all attached devices and the server.

Remote Supervisor Adapter II SlimLine

The Remote Supervisor Adapter II SlimLine must be installed in its dedicated connector on the I/O board.

To remove the Remote Supervisor Adapter II SlimLine, complete the following steps:

Front standoff

Remote Supervisor Adapter II SlimLine connector

I/O board

Rear standoff

Remote Supervisor Adapter II SlimLine

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover (see “Top cover and bezel” on page 45).

4. Release the retention latch on the rear standoff and pull the adapter from the I/O board.

5. If you are instructed to return the Remote Supervisor Adapter II SlimLine, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement Remote Supervisor Adapter II SlimLine, complete the following steps:

1. Insert the rear of the adapter into the rear standoff; then, rotate the front of the adapter into the front standoff.

2. Press the Remote Supervisor Adapter II SlimLine firmly into the connector.

3. Install the top cover (see “Top cover and bezel” on page 45).

Chapter 4. Removing and replacing server components 43

4. Slide the server into the rack.

5. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

6. Turn on all attached devices and the server.

ServeRAID-8i adapter

The ServeRAID-8i adapter can be installed only in its dedicated connector on the PCI-X board. The ServeRAID-8i adapter is not cabled to the server and no rerouting of the SAS cables is required.

To remove the ServeRAID-8i adapter, complete the following steps:

ServeRAID-8i adapter

ServeRAID-8i slot

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover (see “Top cover and bezel” on page 45).

4. Grasp the adapter by the plastic handle and pull the adapter from the server.

5. If you are instructed to return the ServeRAID-8i adapter, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement ServeRAID-8i adapter, complete the following steps:

1. Touch the static-protective package that contains the adapter to any unpainted surface on the outside of the server; then, grasp the adapter by the plastic handle and remove it from the package.

44 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Attention: Incomplete insertion might cause damage to the server or the

ServeRAID-8i adapter.

2. Position the ServeRAID-8i adapter so that the metal locking clasp is at the rear of the server; then, press the ServeRAID-8i adapter firmly into the connector.

3. Install the top cover (see “Top cover and bezel”).

4. Slide the server into the rack.

5. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

6. Turn on all attached devices and the server.

Top cover and bezel

Attention: Operating the server for more than 2 minutes with the top cover

removed might damage server components. For proper cooling and airflow, replace the top cover before turning on the server.

To remove the top cover and bezel, complete the following steps:

1. Read the safety information that begins on page “Safety” on page vii and “Installation guidelines” on page 31.

2. If you are installing or replacing a non-hot-swap component, turn off the server and all peripheral devices, and disconnect the power cords and all external cables.

3. Slide the server out of the rack until the slide rails lock into place.

Top cover

Cover release latch

Bezel

4. Lift the cover-release latch. The cover slides to the rear approximately 13 mm (0.5 inch). Lift the cover off the server.

5. Press on the bezel retention tabs at the top edge of the bezel, and pull the top of the bezel slightly away from the server.

6. Lift the bezel up to release the tabs at the bottom edge of the bezel.

7. If you are instructed to return the cover and bezel, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the top cover and bezel, complete the following steps:

1. Make sure that all internal cables are correctly routed.

Chapter 4. Removing and replacing server components 45

2. Set the cover on top of the server so that approximately 13 mm (0.5 inch) extends from the rear.

3. Make sure that the cover-release latch is up.

4. Slide the top cover forward and into position, pressing the release latch closed.

5. Slide the server into the rack.

6. To install the bezel, tilt the bezel and align the metal studs with the latches; then, straighten the bezel and snap it into place.

Removing and replacing Tier 2 CRUs

You may install a Tier 2 CRU yourself or request IBM to install it, at no additional charge, under the type of warranty service that is designated for your server.

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

Battery

The following notes describe information that you must consider when replacing the battery in the server.

v When replacing the battery, you must replace it with a lithium battery of the same

type from the same manufacturer.

v To order replacement batteries, call 1-800-772-2227 within the United States, and

1-800-465-7999 or 1-800-465-6666 within Canada. Outside the U.S. and Canada, call your IBM marketing representative or authorized reseller.

v After you replace the battery, you must reconfigure the server and reset the

system date and time.

v To avoid possible danger, read and follow the following safety statement.

Statement 2:

Do not:

v Throw or immerse into water v Heat to more than 100°C (212°F) v Repair or disassemble

Dispose

To remove the battery, complete the following steps:

of the battery as required by local ordinances or regulations.

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

46 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

3. Remove the top cover (see “Top cover and bezel” on page 45).

4. Remove the 2 SAS signal cables from the I/O board.

5. Remove the battery:

a. Use one finger to press the top of the battery clip away from the battery.

b. Lift and remove the battery from the socket.

6. Dispose of the battery as required by local ordinances or regulations. See “Battery return program” on page 166 for information about disposing of the battery).

install the replacement battery, complete the following steps:

1. Follow any special handling and installation instructions that come with the replacement battery.

2. Insert the replacement battery:

a. Position the battery so that the positive (+) symbol is facing away from you.

b. Use one finger to press the top of the battery clip away from the battery.

c. Press the battery into the socket until it clicks into place. Make sure that the

battery clip holds the battery securely.

3. Reconnect the 2 SAS signal cables to the I/O board.

4. Install the top cover (see “Top cover and bezel” on page 45).

5. Slide the server into the rack.

6. Reconnect the external cables; then, reconnect the power cords and turn on the peripheral devices and the server.

Note: You must wait approximately 20 seconds after you connect the power

cord of the server to an electrical outlet before the power-control button becomes active.

7. Start the Configuration/Setup Utility program and reset the configuration.

v Set the system date and time.

v Set the power-on password.

v Reconfigure the server.

“Using the Configuration/Setup Utility program” on page 14 for details.

See

I/O board

When replacing the I/O board, you must either update the server with the latest SAS firmware or restore the pre-existing firmware from a diskette or CD image.

Chapter 4. Removing and replacing server components 47

The I/O board contains three-pin jumper blocks. See “I/O board internal connectors

and jumpers” on page 8 for the location and description of each jumper block.

To remove the I/O board, complete the following steps:

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover (see “Top cover and bezel” on page 45).

4. Open the release latches on both ends of the I/O board and pull the board from the server slightly.

5. Note where each cable is connected, and then disconnect all cables from the I/O board and remove the assembly from the server.

6. If you are instructed to return the I/O board, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement I/O board, complete the following steps:

1. Connect all cables to the internal connectors on the I/O board.

2. Align the board with the card guides and insert the board in the connector.

3. Close the release latches to seat the board in the connector.

4. Install the top cover (see “Top cover and bezel” on page 45).

5. Slide the server into the rack.

6. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

48 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

7. Turn on all attached devices and the server.

Operator information panel assembly

To remove the operator information panel assembly, complete the following steps:

Release lever

Retention clip

Retention clips

Release button

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover and bezel (see “Top cover and bezel” on page 45).

4. Note where the light path diagnostics ribbon cable and front USB cable are connected, and then disconnect both cables from the I/O board.

5. Press the blue release button above the front-panel assembly and pull the assembly out of the server approximately 25 mm (one inch).

6. Press the blue release lever on the operator information panel assembly to the left and gently pull the information panel assembly out of the front-panel assembly until it stops.

7. Press the retention clips on each side of the information panel assembly and continue pulling the information panel assembly out of the front-panel assembly until it stops.

8. Press the retention clip on the right side of the information panel assembly and pull the information panel assembly out of the front-panel assembly.

9. If you are instructed to return the operator information panel assembly, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement operator information panel assembly, complete the following steps:

1. Guide the light path diagnostics ribbon cable and front USB cable through the front-panel assembly first, and insert the information panel assembly into the front-panel assembly until the blue release lever on the front engages.

Chapter 4. Removing and replacing server components 49

2. Connect the light path diagnostics ribbon cable and front USB cable to the I/O board.

3. Slide the front-panel assembly into the server until the blue tab on the chassis engages.

4. Install the top cover and bezel (see “Top cover and bezel” on page 45).

5. Slide the server into the rack.

6. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

7. Turn on all attached devices and the server.

PCI-X adapter guide

To remove the PCI-X adapter guide, complete the following steps.

Quarter-turn fasteners

Latch mechanism

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover (see “Top cover and bezel” on page 45).

4. Lift the latch mechanism.

5. Remove all adapters and adapter dividers, and place the adapters on a static-protective surface.

Note: You might find it helpful to note where each adapter is installed before

removing the adapters.

6. Disconnect one end of all cables that pass through the PCI-X adapter guide; then, remove the cables from the routing feature of the guide and fold the cables out of the way.

Note: You might find it helpful to note where each cable is connected before

disconnecting the cables.

7. Turn the blue quarter-turn fasteners to release the PCI-X adapter guide.

8. Lift the guide out of the server.

50 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

9. If you are instructed to return the PCI-X adapter guide, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement PCI-X adapter guide, complete the following steps:

1. Align the two tabs on the PCI-X adapter guide with the two slots on the chassis.

2. Set the guide firmly into place and turn the quarter-turn fasteners to secure the guide.

3. Reconnect the cables that pass through the PCI-X adapter guide and route the cables through the routing feature of the guide.

4. Install the adapters and dividers.

5. When replacing the dividers, make sure that the tabs on the bottom of the dividers rest in the holes in the bottom of the metal section of the guide and the tabs on the top of the dividers engage the plastic retainer section of the guide.

6. Lower the latch mechanism.

7. Install the top cover (see “Top cover and bezel” on page 45).

8. Slide the server into the rack.

9. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

10. Turn on all attached devices and the server.

Power-supply structure

To remove the power-supply structure, complete the following steps:

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover (see “Top cover and bezel” on page 45).

4. Remove the memory cards (see “Removing and replacing a memory card” on page 40).

Latches

Alignment tabs

Handle

Alignment pins

Chapter 4. Removing and replacing server components 51

5. Remove the power supplies (see “Hot-swap power supply” on page 38).

6. Pull the two blue latches on the power-supply structure toward the front of the server; the structure will disengage from the chassis.

7. Grasp the handle in the middle of the structure and rotate the structure up, allowing the structure to pivot at the chassis front.

8. Lift the structure out of the server, and make sure that the alignment tabs clear the chassis.

9. If you are instructed to return the power-supply structure, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement power-supply structure, complete the following steps.

Attention: Do not allow any cables to be pinched or caught on metal protrusions.

1. Align the tabs on the power-supply structure with the notches on the rear of the chassis; then, gently lower the structure into the server. Make sure that the structure is firmly seated in the chassis.

2. Push the two blue latches of the power-supply structure toward the rear of the server until they lock the structure into position.

3. Replace the power supplies.

4. Replace the memory cards.

5. Install the top cover (see “Top cover and bezel” on page 45).

6. Slide the server into the rack.

7. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

8. Turn on all attached devices and the server.

SAS backplane

To remove the Serial Attached SCSI (SAS) backplane, complete the following steps:

Release tabs

SAS connectors

Guide channels

52 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover (see “Top cover and bezel” on page 45).

4. Pull the hard disk drives out of the server slightly to disengage them from the SAS backplane.

5. Note where the SAS cables are connected, and then disconnect the two SAS cables from the SAS backplane.

6. Squeeze the two blue release tabs.

7. Lift the SAS backplane out of the server slightly; then, disconnect the power cable and remove the backplane.

8. If you are instructed to return the SAS backplane, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement SAS backplane, complete the following steps:

1. Connect the power cable to the replacement backplane.

2. Slide the backplane into the card guides.

3. Align the slots in the backplane with the guide tabs; then, press firmly until the blue tabs secure the backplane.

4. Reconnect the SAS cables to the backplane.

5. Install the top cover (see “Top cover and bezel” on page 45).

6. Slide the server into the rack.

7. Replace the hard disk drives.

8. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

9. Turn on all attached devices and the server.

Removing and replacing FRUs

FRUs must be installed only by trained service technicians.

Front-panel assembly

To remove the front-panel assembly, complete the following steps:

Release button

Chapter 4. Removing and replacing server components 53

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover and bezel (see “Top cover and bezel” on page 45).

4. Remove the DVD drive power and signal cables from the media-interposer card.

5. Note where the light path diagnostics ribbon cable and the USB cable are connected, and then disconnect the light path diagnostics ribbon cable and the USB cable from the I/O board.

6. Press the blue release button on the chassis above the front-panel assembly and pull the assembly out of the server.

7. If you are instructed to return the front-panel assembly, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To remove the operator information panel from the front panel assembly, see

Note:

“Operator information panel assembly” on page 49.

To install the replacement front-panel assembly, complete the following steps:

1. Guide the light path diagnostics ribbon cable through first, and insert the assembly into the server through the front.

2. Connect the DVD drive power cable and signal cable.

3. Connect the light path diagnostics ribbon cable and the USB cable to the I/O board.

4. Install the top cover and bezel (see “Top cover and bezel” on page 45).

5. Slide the server into the rack.

6. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

7. Turn on all attached devices and the server.

Microprocessor tray and microprocessor

The following notes describe information that you must consider when replacing a microprocessor:

v When the microprocessor tray is replaced, the BMC MAC address changes to a

default value.

v The voltage regulators for microprocessors 1 and 2 are integrated on the

microprocessor board; the VRMs for microprocessors 3 and 4 come with the microprocessor options and must be installed on the microprocessor board.

v When installing additional microprocessors, populate the microprocessor

connectors in numeric order, starting with connector 2.

v A dual-core upgrade option is available to enable the server to support dual-core

microprocessors.

Important: The following minimum code levels must be installed for the server

to support the dual-core upgrade:

Basic input/output system (BIOS) code level ZUJT53A

Remote Supervisor Adapter II (RSA2) firmware level ZUEP37B

Baseboard management controller (BMC) code level Z2BT05D

Complex programmable logic device (CPLD) firmware level HEUD18A

Diagnostic program (Diags) code level ZUYT26A

54 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

The server model number will change when you install this upgrade. A new label comes with the option kit for you to place over the existing label on the server. The following table lists the kit server model numbers before and after the dual-core upgrade is installed.

Table 4.

Model numbers before the dual-core upgrade is installed

Model numbers after the dual-core upgrade is installed

5Ax, 5Bx, 5Dx, 5Ex, 5Rx ZZZ, PPP

6Ax, 6Bx, 6Dx, 6Ex, 6Rx 333, QQQ

Removing and installing a microprocessor

To remove the microprocessor tray and a microprocessor, complete the following steps:

Air baffle

Heat sink

FRONT

Microprocessor

Microprocessor baffle

FRONT

1. Read the safety information that begins on page vii and “Installation guidelines”

VRM 4

on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover and bezel (see “Top cover and bezel” on page 45).

4. Remove all fans (see “Hot-swap fan” on page 37).

5. Remove the memory cards (see “Removing and replacing a memory card” on page 40).

Chapter 4. Removing and replacing server components 55

6. Lift the microprocessor-tray release latch.

7. Open the microprocessor-tray levers.

Attention: The microprocessor tray is heavy. Pull the tray partially out of the

server, and then reposition your hands to grasp the body of the tray, before pulling out the tray the rest of the way.

8. Remove the microprocessor tray.

9. Press in on the release latches on each side of the tray; then, pull the tray out the rest of the way.

10. Lift the air baffle out of the microprocessor tray.

11. Open the heat sink-release lever and remove the heat sink.

Note: The thermal adhesive material securing the heat sink to the

microprocessor might have formed a strong bond. Gently rotate the heat sink back and forth to help break this bond. When the heat sink moves back and forth easily, the bond is broken.

12. Open the microprocessor-release lever and remove the microprocessor from the microprocessor socket.

13. If you are instructed to return the microprocessor tray and microprocessor, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement microprocessor tray and microprocessor, complete the following steps:

1. Lift the microprocessor-release lever to the fully open position (approximately 135° angle).

Lever fully

Lever closed

open

Attention: To avoid bending the pins on the microprocessor, do not use

excessive force when pressing it into the socket.

2. Position the microprocessor over the microprocessor socket as shown in the following illustration. Carefully press the microprocessor into the socket.

56 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Microprocessor

Microprocessor orientation indicator

Microprocessor connector

Microprocessorrelease lever

3. Close the microprocessor-release lever to secure the microprocessor.

4. Make sure that the heat-sink retaining clip is open.

5. If you are installing a new heat sink, remove the cover from the bottom of the heat sink. If you are reinstalling a heat sink that was previously removed, go to “Thermal grease” on page 58 for instructions on replacing the contaminated or missing thermal grease; then, return here and continue step 6.

6. If necessary, remove the cover from the bottom of the heat sink.

7. Position the heat sink above the microprocessor, making sure that the word “Front” is closest to the front of the server; then, press the heat sink into place and close the heat-sink release lever.

Note: If you are installing an additional microprocessor in microprocessor

socket 3 or 4, you must also install a VRM.

8. If necessary, install a VRM in the connector.

a. Open the retaining clips on each end of the VRM connector.

b. Turn the VRM so the keys align with the slot.

c. Insert the VRM into the connector by aligning the edges of the VRM with

the slots at the end of the VRM connector. Firmly press the VRM straight down into the connector by applying pressure on both ends of the VRM simultaneously. The retaining clips snap into the locked position when the VRM is seated in the connector.

9. Install the air baffle in the microprocessor tray.

10. Install the microprocessor tray in the server:

a. Make sure that the microprocessor-tray release latch is open; then, push

the microprocessor tray into the server.

b. Close the tray levers and make sure they are securely latched.

c. Close the microprocessor-tray release latch.

d. Reinstall the fans and memory cards in the server.

Install the top cover and bezel (see “Top cover and bezel” on page 45).

11.

12. Slide the server into the rack.

13. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

14. Turn on all attached devices and the server.

Chapter 4. Removing and replacing server components 57

Thermal grease

The thermal grease must be replaced whenever the heat sink has been removed from the top of the microprocessor and is going to be reused or when debris is found in the grease.

To replace damaged or contaminated thermal grease on the microprocessor and heat sink, complete the following steps:

1. Place the heat sink on a clean work surface.

2. Remove the cleaning pad from its package and unfold it completely.

3. Use the cleaning pad to wipe the thermal grease from the bottom of the heat sink.

Note: Make sure that all of the thermal grease is removed.

4. Use a clean area of the cleaning pad to wipe the thermal grease from the microprocessor; then, dispose of the cleaning pad after all of the thermal grease is removed.

Microprocessor

0.01 mL of thermal grease

5. Use the thermal-grease syringe to place 16 uniformly spaced dots of 0.01 mL each on the top of the microprocessor.

Note: 0.01mL is one tick mark on the syringe. If the grease is properly applied,

approximately half (0.22 mL) of the grease will remain in the syringe.

6. Install the heat sink onto the microprocessor as described in “Removing and installing a microprocessor” on page 55.

58 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

PCI-X board assembly

To remove the PCI-X board assembly, complete the following steps:

AC D C

Handle

Retainer screws

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover and bezel (see “Top cover and bezel” on page 45).

4. Remove the power supplies and power-structure assembly (see “Power-supply structure” on page 51).

5. Remove the I/O board (see “I/O board” on page 47).

6. Remove all adapters and adapter dividers, and place the adapters on a static-protective surface.

Note: You might find it helpful to note where each adapter is installed before

removing the adapters.

7. Remove the card guide (see “PCI-X adapter guide” on page 50).

8. Disconnect the PCI-X switch card cable from the PCI-X board (see “PCI-X switch card assembly” on page 60).

9. Disconnect the SAS backplane power cable from the PCI-X board (see “SAS backplane” on page 52).

10. Remove all fans (see “Hot-swap fan” on page 37).

11. Remove the memory cards (see “Removing and replacing a memory card” on page 40).

12. Lift the microprocessor-tray release latch, open the microprocessor-tray levers,

and pull the microprocessor tray out of the server slightly (see “Removing and installing a microprocessor” on page 55).

13. Remove the power backplane (see “Power backplane” on page 61).

14. Loosen the blue retainer screws on the rear of the server.

Chapter 4. Removing and replacing server components 59

15. Slide the PCI-X board assembly toward the front of the server and grasp the blue handle to pull the assembly out of the server.

16. If you are instructed to return the PCI-X board assembly, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement PCI-X board assembly, complete the following steps:

1. Grasp the blue handle on the PCI-X board assembly and place the assembly in the chassis. Slide the assembly toward the rear of the chassis and align it with the blue retainer screws.

2. Tighten the retainer screws to secure the assembly.

3. Install the power backplane.

4. Slide the microprocessor-tray assembly back into the server.

5. Install the memory cards.

6. Install all fans.

7. Connect the SAS backplane power cable to the connector on the PCI-X board.

8. Connect the PCI-X switch card cable to the connector on the PCI-X board.

9. Install the PCI-X adapter guide and the adapter dividers.

10. Install the I/O board.

11. Install the power supplies and the power-structure assembly.

12. Install the top cover and bezel (see “Top cover and bezel” on page 45).

13. Slide the server into the rack.

14. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

15. Turn on all attached devices and the server.

PCI-X switch card assembly

To remove the PCI-X switch-card assembly, complete the following steps:

1. Read the safety information that begins on page vii and “Installation guidelines”

on page 31.

Release latches

60 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover (see “Top cover and bezel” on page 45).

4. Remove all adapters and place the adapters on a static-protective surface.

Note: You might find it helpful to note where each adapter is installed before

removing the adapters.

5. Disconnect the PCI-X switch card ribbon cable from the card.

6. Lift the release latches and slide the card away from the chassis; then, remove the card from the server.

7. If you are instructed to return the PCI-X switch-card assembly, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement PCI-X switch-card assembly, complete the following steps:

1. Lower the card into place so that the lips on the bottom of the EMI shielding material fit into the chassis, and slide the card into place until the two release latches snap securely.

2. Connect the ribbon cable to the PCI-X switch-card assembly.

3. Install the adapters.

4. Install the top cover (see “Top cover and bezel” on page 45).

5. Slide the server into the rack.

6. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

7. Turn on all attached devices and the server.

Power backplane

To remove the power backplane, complete the following steps:

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

Chapter 4. Removing and replacing server components 61

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover and bezel (see “Top cover and bezel” on page 45).

4. Remove all fans (see “Hot-swap fan” on page 37).

5. Remove the memory cards (see “Removing and replacing a memory card” on page 40).

6. Lift the microprocessor-tray release latch, open the microprocessor-tray levers, and pull the microprocessor tray out of the server slightly (see “Removing and installing a microprocessor” on page 55).

7. Remove the power supplies and the power-supply structure (see “Power-supply structure” on page 51).

8. Remove the screws that secure the power backplane to the chassis and lift the power backplane out of the server.

9. If you are instructed to return the power backplane, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement power backplane, complete the following steps:

1. Align the power backplane in the server and secure the power backplane with screws.

2. Install the power-supply structure and the power supplies.

3. Slide the microprocessor tray in the server and close the microprocessor-tray levers.

4. Install the memory cards.

5. Install the fans.

6. Install the top cover and bezel (see “Top cover and bezel” on page 45).

7. Slide the server into the rack.

8. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

9. Turn on all attached devices and the server.

62 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Scalability cartridge assembly

To remove the scalability cartridge assembly, complete the following steps:

Scalability cartridge assembly

Retention latch

1. Read the safety information that begins on page vii and “Installation guidelines” on page 31.

2. Turn off the server and peripheral devices, and disconnect the power cords and all external cables necessary to replace the device.

3. Remove the top cover and bezel (see “Top cover and bezel” on page 45).

4. Remove all fans (see “Hot-swap fan” on page 37).

5. Remove the memory cards (see “Removing and replacing a memory card” on page 40).

7. Remove the power supplies and the power-supply structure (see “Power-supply structure” on page 51).

8. Move the retention latch away from the scalability cartridge assembly, grasp the blue handle, and lift the assembly out of the server, allowing the structure to pivot at the chassis rear.

9. Move the assembly away from the chassis rear as you lift the assembly from the server.

10. If you are instructed to return the scalability cartridge assembly, follow all packaging instructions, and use any packaging materials for shipping that are supplied to you.

To install the replacement scalability cartridge assembly, complete the following steps:

1. Insert the scalability cartridge assembly into the chassis rear and pivot the

assembly into place. Make sure the retention latch securely holds the assembly in place.

2. Install the power-supply structure and the power supplies.

Chapter 4. Removing and replacing server components 63

3. Slide the microprocessor tray in the server, close the microprocessor-tray levers, and close the microprocessor-tray release latch.

4. Install the memory cards.

5. Install the fans.

6. Install the top cover and bezel (see “Top cover and bezel” on page 45).

7. Slide the server into the rack.

8. Connect the cables and power cords (see “Connecting the cables” on page 34 for cabling instructions).

9. Turn on all attached devices and the server.

64 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

Chapter 5. Diagnostics

This chapter describes the diagnostic tools that are available to help you solve problems that might occur in the server.

If you cannot locate and correct the problem using the information in this chapter, see Appendix A, “Getting help and technical assistance,” on page 161 for more information.

Diagnostic tools

The following tools are available to help you diagnose and solve hardware-related problems:

v POST beep codes, error messages, and error logs

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

v Troubleshooting tables

These tables list problem symptoms and actions to correct the problems. See “Troubleshooting tables” on page 89.

v Light path diagnostics

Use light path diagnostics to diagnose system errors quickly. See “Light path diagnostics” on page 102 for more information.

v Diagnostic programs, messages, and error messages

The diagnostic programs are the primary method of testing the major components of the server. The diagnostic programs are in read-only memory on the server. See “Diagnostic programs, messages, and error codes” on page 112 for more information.

v Real Time Diagnostics

Real Time Diagnostics can help you diagnose problems in certain devices while the operating system is running, to prevent or minimize server downtime. See “Real Time Diagnostics” on page 130 for more information.

POST

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

If a power-on password is set, you must type the password and press Enter, when prompted, for POST to run.

If POST is completed without detecting any problems, a single beep sounds, and the server startup is completed.

If POST detects a problem, more than one beep might sound, or an error message is displayed. See “Beep code descriptions” on page 66 and “POST error codes” on page 73 for more information.

POST beep codes

A beep code is a combination of short or long beeps or series of short beeps that are separated by pauses. For example, a “1-2-3” beep code is one short beep, a pause, two short beeps, and pause, and three short beeps. A beep code other than one beep indicates that POST has detected a problem. To determine the meaning of a beep code, see “Beep code descriptions.” If no beep code sounds, see “No-beep symptoms” on page 70.

Beep code descriptions

The following table describes the beep codes and suggested actions to correct the detected problems.

A single problem might cause more than one error message. When this occurs, correct the cause of the first error message. The other error messages usually will not occur the next time POST runs.

Exception: If there are multiple error codes or light path diagnostics LEDs that

indicate a microprocessor error, the error might be in a microprocessor or in a microprocessor socket. See “Microprocessor problems” on page 95 for information about diagnosing microprocessor problems.

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Beep code Description Action

1-1-3 CMOS write/read test failed.

1-1-4 BIOS ROM checksum failed.

1-2-1 Programmable interval timer failed.

1-2-2 DMA initialization failed.

1-2-3 DMA page register write/read failed.

1-2-4 RAM refresh verification failed.

1. Reseat the following components:

a. Battery

b. I/O board

Replace the components listed in step 1

2. one at a time, in the order shown, restarting the server each time.

1. Reseat the microprocessor tray.

2. (Trained service technician only) Replace the microprocessor tray.

1. Reseat the I/O board.

2. Replace the I/O board.

1. Reseat the I/O board.

2. Replace the I/O board.

1. Reseat the I/O board.

2. Replace the I/O board.

1. Reseat the following components:

a. DIMM

b. Memory card

Replace the components listed in step 1

2. one at a time, in the order shown, restarting the server each time.

66 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Beep code Description Action

1-3-1 1st 64K RAM test failed.

1. Reseat the following components:

a. DIMM

b. Memory card

Replace the components listed in step 1

2. one at a time, in the order shown, restarting the server each time.

2-1-1 Secondary DMA register failed.

1. Reseat the I/O board.

2. Replace the I/O board.

2-1-2 Primary DMA register failed.

1. Reseat the I/O board.

2. Replace the I/O board.

2-1-3 Primary interrupt mask register failed.

1. Reseat the I/O board.

2. Replace the I/O board.

2-1-4 Secondary interrupt mask register failed.

1. Reseat the I/O board.

2. Replace the I/O board.

2-2-2 Keyboard controller failed.

1. Reseat the I/O board.

2. Replace the I/O board.

3-1-1 Timer tick interrupt failed.

1. Reseat the I/O board.

2. Replace the I/O board.

3-1-2 Interval timer channel 2 failed.

1. Reseat the I/O board.

2. Replace the I/O board.

3-1-4 Time-of-day clock failed.

1. Reseat the following components:

a. Battery

b. I/O board

Replace the components listed in step 1

2. one at a time, in the order shown, restarting the server each time.

Chapter 5. Diagnostics 67

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Beep code Description Action

3-3-2 Critical SMBUS error occurred.

1. Disconnect power cord, wait 30 seconds, and retry.

2. Reseat the following components:

a. DIMM

b. Memory card

c. Microprocessor tray

d. I/O board

Replace the following components one at a

3. time, in the order shown, restarting the server each time.

a. DIMM

b. Memory card

c. (Trained service technician only)

Microprocessor tray

d. I/O board

3-3-3 No operational memory in system. Note: Make sure you re-enable the memory in

the Configuration/Setup Utility program. See, “Memory problems” on page 94

1. Make sure that all memory cards contain the correct number of DIMMs; install or reseat DIMMS; then, restart the server.

2. Reseat the following components:

a. DIMM

b. Memory card

c. Microprocessor tray

Replace the following components one at a

3. time, in the order shown, restarting the server each time.

a. DIMM

b. Memory card

c. (Trained service technician only)

Microprocessor tray

Two short beeps Information only, configuration has

changed.

1. Run the Configuration/Setup Utility program.

2. Run the diagnostic programs.

68 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Beep code Description Action

Three short beeps Memory error. Note: Make sure you re-enable the memory in

the Configuration/Setup Utility program. See, “Memory problems” on page 94

1. Reseat the following components:

a. DIMM

b. Memory card

c. Microprocessor tray

Replace the following components one at a

2. time, in the order shown, restarting the server each time.

a. DIMM

b. Memory card

c. (Trained service technician only)

Microprocessor tray

One continuous beep Microprocessor error.

1. Reseat the following components:

a. (Trained service technician only)

Microprocessor

b. (Trained service technician only)

Optional microprocessor

c. Microprocessor tray

Replace the following components one at a

2. time, in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor

b. (Trained service technician only)

Optional microprocessor

c. (Trained service technician only)

Microprocessor tray

Repeating short beeps Keyboard error.

1. Reseat the following components:

a. Keyboard

b. I/O board

Replace the components listed in step 1

2. one at a time, in the order shown, restarting the server each time.

Repeating long beeps Memory error. Reseat the DIMMs.

Chapter 5. Diagnostics 69

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Beep code Description Action

One long and one short beep

Card error.

1. Reseat the following components:

a. Microprocessor tray

b. I/O board

Replace the following components one at a

2. time, in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor tray

b. I/O board

One long and two short beeps

Card error.

1. Reseat the following components:

a. Microprocessor tray

b. I/O board

Replace the following components one at a

2. time, in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor tray

b. I/O board

Two long and two short beeps

Card error.

1. Reseat the following components:

a. Microprocessor tray

b. I/O board

Replace the following components one at a

2. time, in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor tray

b. I/O board

No-beep symptoms

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only)”, that step must be performed only by a

trained service technician.

No-beep symptom Description Action

No beeps occur, and the system operates correctly.

70 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

1. (Trained service technician only) Reseat the operator information panel.

2. (Trained service technician only) Replace the operator information panel.

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only)”, that step must be performed only by a

trained service technician.

No-beep symptom Description Action

No beeps occur after successful completion of POST.

The power-on status is Disabled.

1. Run the Configuration/Setup Utility program

and select Start Options; then, set Power-On Status to Enable.

2. (Trained service technician only) Reseat the operator information panel.

3. (Trained service technician only) Replace the operator information panel.

No beeps occur, and there is no video.

See “Solving undetermined problems” on page

158.

Error logs

The POST error log contains the three most recent error codes and messages that were generated during POST. The BMC log and the system-error log contain messages that were generated during POST and all system status messages from the service processor.

The following illustration shows an example of a BMC log entry.

BMC System Event Log

---------------------------------------------------------Get Next Entry Get Previous Entry Clear BMC SEL

Entry Number= 00005 / 00011 Record ID= 0005 Record Type= 02 Timestamp= 2005/01/25 16:15:17 Entry Details: Generator ID= 0020

Sensor Type= 04 Assertion Event Fan Threshold Lower Non-critical - going high

Sensor Number= 40 Event Direction/Type= 01

Event Data= 52 00 1A

The BMC log is limited in size. When the log is full, new entries will not overwrite existing entries; therefore, you must periodically clear the BMC log through the Configuration/Setup Utility program (the menu choices are described in the User’s Guide). When you are troubleshooting an error, be sure to clear the BMC log so that you can find current errors more easily.

Entries that are written to the BMC log during the early phase of POST show an incorrect date and time as the default time stamp; however, the date and time are corrected as POST continues.

Chapter 5. Diagnostics 71

Each BMC log entry appears on its own page. To display all the data for an entry, use the Up Arrow (—) and Down Arrow (–) keys or the Page Up and Page Down keys. To move from one entry to the next, select Get Next Entry or Get Previous Entry.

The log indicates an assertion event when an event has occurred. It indicates a deassertion event when the event is no longer occurring.

Some of the error codes and messages in the BMC log are abbreviated.

If you view the BMC log through the Web interface of the optional Remote Supervisor Adapter II SlimLine, the messages can be translated.

You can view the contents of the POST error log, the BMC log, and the system-error log from the Configuration/Setup Utility program. Yo u can view the contents of the BMC log also from the diagnostic programs.

When you are troubleshooting PCI-X slots, note that the error logs report the PCI-X buses numerically. The numerical assignments vary depending on the configuration. You can check the assignments by running the Configuration/Setup Utility program (see the User’s Guide for more information).

Viewing error logs from the Configuration/Setup Utility program

For complete information about using the Configuration/Setup Utility program, see the User’s Guide.

To view the error logs, complete the following steps:

1. Turn on the server.

2. When the prompt Press F1 for Configuration/Setup appears, press F1. If you

have set both a power-on password and an administrator password, you must type the administrator password to view the error logs.

3. Use one of the following procedures:

v To view the POST error log, select Error Logs, and then select POST Error

Log.

v To view the BMC log, select Advanced Settings, select Baseboard

Management Controller (BMC) settings, and then select BMC System Event Log.

v To view the system-error log (available only if an optional Remote Supervisor

Adapter II SlimLine is installed), select Event/Error Logs, and then select System Event/Error Log.

Viewing the BMC log from the diagnostic programs

The BMC log contains the same information whether it is viewed from the Configuration/Setup Utility program or from the diagnostic programs.

For information about using the diagnostic programs, see “Running the diagnostic programs” on page 112.

To view the BMC log, complete the following steps:

1. If the server is running, turn off the server and all attached devices.

2. Turn on all attached devices; then, turn on the server.

3. When the prompt F2 for Diagnostics appears, press F2. If you have set both a

power-on password and an administrator password, you must type the administrator password to run the diagnostic programs.

72 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

4. From the top of the screen, select Hardware Info.

5. From the list, select BMC Log.

POST error codes

The following table describes the POST error codes and suggested actions to correct the detected problems.

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

062 Three consecutive boot failures using the

default configuration.

101, 102 Tick timer internal interrupt, internal timer

channel 2.

114 Adapter read-only memory (ROM) error.

151 Real-time clock error.

161 Real-time clock battery error.

1. Flash the system firmware to the latest level (see “Updating the firmware” on page 13).

2. Reseat the I/O board.

3. Replace the I/O board.

1. Reseat the I/O board.

2. Replace the I/O board.

1. Remove all adapters and reinstall them one at a time, restarting the server each time, to identify the failing adapter; then, replace the failing adapter.

2. Reseat the microprocessor tray.

3. Reseat the I/O board.

4. (Trained service technician only) Replace the microprocessor tray.

5. Replace the I/O board.

1. Reseat the following components:

a. Battery

b. I/O board

Replace the components listed in step 1 one at a

2. time, in the order shown, restarting the server each time.

1. Reseat the following components:

a. Battery

b. I/O board

Replace the components listed in step 1 one at a

2. time, in the order shown, restarting the server each time.

Chapter 5. Diagnostics 73

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

162 Device configuration error.

1. Run the Configuration/Setup Utility program,

select Load Default Settings, and save the settings.

2. Reseat the following components:

a. Battery

b. Failing device

c. I/O board

Remove the battery for 60 minutes; then, reinstall

3. the battery and restart the server.

4. Replace the components listed in step 2 one at a time, in the order shown, restarting the server each time.

163 Real-time clock error.

1. Run the Configuration/Setup Utility program, select Load Default Settings, make sure that the date and time are correct, and save the settings.

2. Reseat the following components:

a. Battery

b. I/O board

Replace the components listed in step 2 one at a

3. time, in the order shown, restarting the server each time.

175 Bad EEPROM CRC#1.

1. Restart the server.

2. Update the BMC firmware (see “Updating the firmware” on page 13).

3. Reseat the microprocessor tray.

4. (Trained service technician only) Replace the microprocessor tray.

178 System VPD not available.

1. Restart the server.

2. Update the BMC firmware (see “Updating the firmware” on page 13).

3. Reseat the microprocessor tray.

4. (Trained service technician only) Replace the microprocessor tray.

74 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

184 Power-on password damaged.

1. Run the Configuration/Setup Utility program,

select Load Default Settings, and save the settings.

2. Reseat the following components:

a. Battery

b. I/O board

Remove the battery for 60 minutes; then, reinstall

3. the battery and restart the server.

4. Replace the components listed in step 2 one at a time, in the order shown, restarting the server each time.

187 VPD serial number not set.

1. Set the serial number by updating the BIOS code level (see “Updating the firmware” on page 13).

2. Reseat the following components:

a. I/O board

b. Optional Remote Supervisor Adapter II

SlimLine

Replace the components listed in step 2 one at a

3. time, in the order shown, restarting the server each time.

188 Bad EEPROM CRC #2.

1. Restart the server.

2. Update the BMC firmware (see “Updating the firmware” on page 13).

3. Reseat the microprocessor tray.

4. (Trained service technician only) Replace the microprocessor tray.

189 An attempt was made to access the server

with an incorrect password.

Restart the server and enter the administrator password; then, run the Configuration/Setup Utility program and change the power-on password.

289 A DIMM has been disabled by the user or

by the system.

Note: Make sure you re-enable the memory in the

Configuration/Setup Utility program. See, “Memory problems” on page 94.

1. If the DIMM was disabled by the user, run the Configuration/Setup Utility program and enable the DIMM.

2. Make sure that the DIMM is installed correctly (see “Memory card and memory module (DIMM)” on page 40).

3. Reseat the DIMM.

4. Replace the DIMM.

Chapter 5. Diagnostics 75

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

301 Keyboard or keyboard controller error.

1. If you have installed a USB keyboard, run the Configuration/Setup Utility program and enable keyboardless operation to prevent the POST error message 301 from being displayed during startup.

2. Reseat the following components:

a. Keyboard

b. I/O board

Replace the components listed in step 2 one at a

3. time, in the order shown, restarting the server each time.

303 Keyboard controller error.

1. Reseat the following components:

a. I/O board

b. Keyboard

Replace the components listed in step 1 one at a

2. time, in the order shown, restarting the server each time.

1600 The baseboard management controller

failed BIST (built-in self-test).

1. Update the BMC firmware (see “Updating the firmware” on page 13).

2. Reseat the following components:

a. Microprocessor tray

b. I/O board

c. PCI or PCI-X adapters

(Trained service technician only) Replace the

3. microprocessor tray.

1601 Systems-management adapter

communication error.

1. Make sure that the Remote Supervisor Adapter II SlimLine is installed correctly.

2. Update the Remote Supervisor Adapter II SlimLine firmware (see “Updating the firmware” on page 13).

3. Update the BMC firmware (see “Updating the firmware” on page 13).

4. Reseat the following components:

a. Microprocessor tray

b. I/O board

c. Adapter

(Trained service technician only) Replace the

5. microprocessor tray.

76 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

1602 Systems-management adapter

communication error.

1. Make sure that the Remote Supervisor Adapter II SlimLine is installed correctly.

2. Update the Remote Supervisor Adapter II SlimLine firmware (see “Updating the firmware” on page 13).

3. Update the BMC firmware (see “Updating the firmware” on page 13).

4. Reseat the following components:

a. Microprocessor tray

b. I/O board

c. (Trained service technician only) PCI-X board

Replace the Remote Supervisor Adapter II

5. SlimLine.

6. (Trained service technician only) Replace the microprocessor tray.

1762 Fixed disk configuration error.

1. Run the Configuration/Setup Utility program and load the defaults.

2. Reseat the following components:

a. SAS cables

b. SAS hard disk drive

c. I/O board

Replace the components listed in step 2 one at a

3. time, in the order shown, restarting the server each time.

178x Fixed disk error.

1. Reseat the hard disk drive cables.

2. Replace the hard disk drive cables.

3. Run the hard disk drive diagnostic tests.

4. Reseat the following components:

a. Optional ServeRAID™-8i adapter.

b. Hard disk drive.

c. I/O board.

Replace the components listed in step 4 one at a

5. time, in the order shown, restarting the server each time.

1800 Unavailable PCI hardware interrupt.

1. Run the Configuration/Setup Utility program and adjust the adapter settings.

2. Remove each adapter one at a time, restarting the server each time, until the problem is isolated.

Chapter 5. Diagnostics 77

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

1962 A drive does not contain a valid boot sector.

1. Make sure that a bootable operating system is installed.

2. Run the hard disk drive diagnostic tests.

3. Reseat the following components:

a. SAS drive

b. SAS hard disk drive backplane cable

c. I/O board

Replace the components listed in step 3 one at a

4. time, in the order shown, restarting the server each time.

5962 IDE CD or DVD drive configuration error.

1. Run the Configuration/Setup Utility program and load the default settings (see “Configuration/Setup Utility menu choices” on page 15).

2. Reseat the following components:

a. CD or DVD drive cable

b. CD or DVD drive

c. I/O board

Replace the components listed in step 2 one at a

3. time, in the order shown, restarting the server each time.

8603 Pointing-device error.

1. Reseat the following components:

a. Pointing device

b. I/O board

Replace the components listed in step 1 one at a

2. time, in the order shown, restarting the server each time.

0001295 ECC circuit check.

1. Reseat the following components:

a. DIMM

b. Memory card

Replace the components in step 1 one at a time,

2. in the order shown, restarting the server each time.

78 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

00012000 Processor machine check error.

1. Reseat the following components:

a. (Trained service technician only)

Microprocessor

b. Microprocessor tray

Replace the following components one at a time,

2. in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor

b. (Trained service technician only)

Microprocessor tray

00019501 Processor 1 is not functioning; check

processor LEDs.

1. Reseat the following components:

a. Microprocessor tray

b. (Trained service technician only)

Microprocessor 1

Replace the following components one at a time,

2. in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor 1

b. (Trained service technician only)

Microprocessor tray

00019502 Processor 2 is not functioning; check

processor LEDs.

1. Reseat the following components:

a. Microprocessor tray

b. (Trained service technician only)

Microprocessor 2

Replace the following components one at a time,

2. in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor 2

b. (Trained service technician only)

Microprocessor tray

Chapter 5. Diagnostics 79

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

00019503 Processor 3 is not functioning; check VRM

and processor LEDs.

1. Reseat the following components:

a. Microprocessor tray

b. VRM 3

c. (Trained service technician only)

Microprocessor 3

Replace the following components one at a time,

2. in the order shown, restarting the server each time.

a. VRM 3

b. (Trained service technician only)

Microprocessor 3

c. (Trained service technician only)

Microprocessor tray

00019504 Processor 4 is not functioning; check VRM

and processor LEDs.

1. Reseat the following components:

a. Microprocessor tray

b. VRM 4

c. (Trained service technician only)

Microprocessor 4

Replace the following components one at a time,

2. in the order shown, restarting the server each time.

a. VRM 4

b. (Trained service technician only)

Microprocessor 4

c. (Trained service technician only)

Microprocessor tray

00019701 Processor 1 failed BIST.

1. Reseat the following components:

a. (Trained service technician only)

Microprocessor 1

b. Microprocessor tray

Replace the following components one at a time,

2. in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor 1

b. (Trained service technician only)

Microprocessor tray

80 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

00019702 Processor 2 failed BIST.

1. Reseat the following components:

a. (Trained service technician only)

Microprocessor 2

b. Microprocessor tray

Replace the following components one at a time,

2. in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor 2

b. (Trained service technician only)

Microprocessor tray

00019703 Processor 3 failed BIST.

1. Reseat the following components:

a. (Trained service technician only)

Microprocessor 3

b. VRM3

c. Microprocessor tray

Replace the following components one at a time,

2. in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor 3

b. VRM3

c. (Trained service technician only)

Microprocessor tray

00019704 Processor 4 failed BIST.

1. Reseat the following components:

a. (Trained service technician only)

Microprocessor 4

b. VRM4

c. Microprocessor tray

Replace the following components one at a time,

2. in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor 4

b. VRM4

c. (Trained service technician only)

Microprocessor tray

Chapter 5. Diagnostics 81

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

00180100 A PCI adapter has requested memory

resources that are not available.

1. Change the order of the adapters in the PCI-X slots. Make sure that the boot device is positioned early in the scan order (see the User’s

Guide for information about the scan order).

2. Make sure that the settings for the adapter and all other adapters in the Configuration/Setup Utility program are correct. If the memory resource settings are not correct, change them.

3. If all memory resources are being used, remove an adapter to make memory available to the adapter. Disabling the BIOS on the adapter should correct the error. See the documentation that comes with the adapter.

00180200 No more I/O space is available for a PCI

adapter.

1. If the error code indicates a particular PCI or PCI-X slot or device, remove that device.

2. If the error continues, reseat the following components:

a. Each adapter

b. (Trained service technician only) PCI-X board

Replace the components listed in step 2 one at a

3. time, in the order shown, restarting the server each time.

00180300 No more memory (above 1 MB for a PCI

adapter).

1. If the error code indicates a particular PCI or PCI-X slot or device, remove that device.

2. Reseat the following components:

a. Each adapter

b. (Trained service technician only) PCI-X board

Replace the components listed in step 2 one at a

3. time, in the order shown, restarting the server each time.

00180400 No more memory (below 1 MB for a PCI

adapter).

1. Reseat the following components:

a. Each adapter

b. (Trained service technician only) PCI-X board

Replace the components listed in step 1 one at a

2. time, in the order shown, restarting the server each time.

00180500 PCI option ROM checksum error.

1. Remove the failing adapter.

2. Reseat the following components:

a. Each adapter

b. (Trained service technician only) PCI-X board

Replace the components listed in step 2 one at a

3. time, in the order shown, restarting the server each time.

82 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

00180600 PCI built-in self-test failure.

1. If the error code indicates a particular PCI or PCI-X slot or device, remove that device.

Note: Slot 0 indicates the I/O board.

2. Reseat the following components:

a. Each adapter

b. (Trained service technician only, if the

specified board is a FRU) The board that is indicated in the error code. (See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23, to determine CRU or FRU status.)

Replace the components listed in step 2 one at a

3. time, in the order shown above, restarting the server each time.

00180700, 00180800

General PCI error.

1. Make sure that no devices have been disabled in the Configuration/Setup Utility program.

2. Reseat the following components:

a. Failing adapter

Note: If an error LED is lit on the PCI-X

board or on an adapter, reseat that adapter first; if no LEDs are lit, reseat each adapter one at a time, restarting the server each time, to isolate the failing adapter.

b. (Trained service technician only) PCI-X board

Replace the components listed in step 2 one at a

3. time, in the order shown, restarting the server each time.

00181000 PCI error.

1. Remove the adapters from the PCI or PCI-X slots.

2. Reseat the following components:

a. Failing adapter

Note: If an error LED is lit on the PCI-X

board or on an adapter, reseat that adapter first; if no LEDs are lit, reseat each adapter one at a time, restarting the server each time, to isolate the failing adapter.

b. (Trained service technician only) PCI-X board

Replace the components listed in step 2 one at a

3. time, in the order shown, restarting the server each time.

Chapter 5. Diagnostics 83

v Follow the suggested actions in the order in which they are listed in the Action column until the problem

is solved.

v See Chapter 3, “Parts listing, Type 8878 and 8879,” on page 23 to determine which components are

customer replaceable units (CRU) and which components are field replaceable units (FRU).

v If an action step is preceded by “(Trained service technician only),” that step must be performed only by a

trained service technician.

Error code Description Action

01295085 ECC checking hardware test error.

1. Reseat the following components:

a. (Trained service technician only)

Microprocessor

b. DIMM

c. Microprocessor tray

Replace the following components one at a time,

2. in the order shown, restarting the server each time.

a. (Trained service technician only)

Microprocessor

b. DIMM

c. (Trained service technician only)

Microprocessor tray

01298001 No update data for processor 1.

1. Make sure that all microprocessors have the same cache size (see “Configuration/Setup Utility menu choices” on page 15).

2. Update the BIOS code again (see “Updating the firmware” on page 13).

3. (Trained service technician only) Reseat microprocessor 1.

4. (Trained service technician only) Replace microprocessor 1.

01298002 No update data for processor 2.

1. Make sure that all microprocessors have the same cache size (see “Configuration/Setup Utility menu choices” on page 15).

2. Update the BIOS code again (see “Updating the firmware” on page 13).

3. (Trained service technician only) Reseat microprocessor 2.

4. (Trained service technician only) Replace microprocessor 2.

01298004 No update data for processor 3.

1. Make sure that all microprocessors have the same cache size (see “Configuration/Setup Utility menu choices” on page 15).

2. Update the BIOS code again (see “Updating the firmware” on page 13).

3. (Trained service technician only) Reseat microprocessor 3.

4. (Trained service technician only) Replace microprocessor 3.

84 IBM System x3950 Type 8878 and System x3950 E Type 8879: Problem Determination and Service Guide

IBM System x3950 Type 8878, System x3950 E Type 8879 Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual