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Strany 1 - Service Guide

RS/6000 7046 Model B50 IBM Service Guide SA38-0564-00

Strany 2

environments to provide reasonable protection against interference with licensedcommunication equipment.Attention: This is a Class A product. In a dom

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4-6 7046 Model B50 Service Guide

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Chapter 5. Loading the System DiagnosticsIf no keys are pressed after the server power is turned on, the server searches a listof devices (the default

Strany 5 - Contents

If no bootable image is found in the custom boot list, the server restarts and attemptsto boot again.If the custom boot list is discovered to be damag

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1. Before stopping the programs and operating system, notify your systemadministrator and users that the server is going to be shut down.2. Turn off t

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Summary of Boot Options and Control KeysYou can press the following keys when the keyboard POST indicator appears.Key ResultF1 (display keyboard) Norm

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Chapter 6. Using System Management ServicesUse the System Management Services to view information about your server and toperform such tasks as settin

Strany 9 - Communications Statements

After the System Management Services starts, the following screen displays:6-2 7046 Model B50 Service Guide

Strany 10

The System Management Services screen contains the following options:Config: Enables you to view your system setup.Multi-Boot: Enables you to set and

Strany 11 - VCCI Statement

ConfigBy selecting this icon, you can view information about the setup of your server. A listsimilar to the following appears when you select the Con

Strany 12 - Radio Protection for Germany

If more than one screen of information is available, a blue arrow appears in the topright corner of the screen. Use the Page Up and Page Down keys to

Strany 13 - Safety Notices

VCCI StatementThe following is a summary of the VCCI Japanese statement in the box above.This is a Class A product based on the standard of the Volun

Strany 14 - Laser Safety Information

MultiBootThe options available from this screen allow you to view and set various optionsregarding the operating system and boot sequence.6-6 7046 Mo

Strany 15 - Environmental Notices

The following describes the choices available on this screen.Select Software: This option, if supported by the operatingsystem, allows you to choose w

Strany 16

Boot Sequence: Enables you to view and change the customboot list (the sequence in which devices are searched foroperating system code). You may choos

Strany 17 - About This Book

UtilitiesSelecting this icon enables you to perform various tasks and view additionalinformation about your server.The following describes the option

Strany 18 - Trademarks

RIPL (Remote Initial Program Load): Allows you to select aremote system from which to load programs through a networkadapter when your server is first

Strany 19 - Front View

PasswordWhen you select this icon, the following screen is displayed. Power-On PasswordSetting a power-on password helps protect information stored i

Strany 20 - Rear View

Enter PasswordPress Enter when you are finished; you must type the password again forverification.Verify PasswordIf you type the password incorrectly,

Strany 21 - Front View without Covers

Remote Mode: The remote mode, when enabled, allows the system to start fromthe defined boot device. This mode is ideal for network servers and other

Strany 22

Enter PasswordPress Enter when you are finished; you must type the password again forverification.Verify PasswordIf you type the password incorrectly,

Strany 23 - Acoustics

Hard Disk Spin Up DelayThis selection allows you to change the spin up delay for SCSI hard disk drivesattached to your server. Spin up delay values ca

Strany 24 - System Board Locations

Radio Protection for GermanyDieses Gerät ist berechtigt in Übereinstimmung mit Dem deutschen EMVG vom9.Nov.92 das EG–Konformitätszeichen zu führen.Der

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Error LogSelecting this icon displays the log of errors that your server has encountered duringoperations.ClearSystem Error LogExit2. No entry1. 00/0

Strany 26 - System Board Jumper Settings

RIPLSelecting the Remote Initial Program Load (RIPL) icon gives you access to thefollowing selections.Set AddressExitPing ConfigThe Set Address icon

Strany 27 - SCSI Bus Termination

If any of the addresses is incomplete or contains a number other than 0 to 255, anerror message displays when you select the Save icon. To clear this

Strany 28 - Service Inspection Guide

The Config icon allows you to configure network adapters which require setup.The next screen allows you to select the type of adapter you have just ch

Strany 29

SCSI IDThis selection allows you to view and change the addresses (IDs) of the SCSIcontrollers attached to your server. To change an ID, highlight th

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Firmware UpdateThis selection allows you to update the firmware in your server from an image on a3.5 inch diskette.To create a firmware diskette with

Strany 31 - Entry MAP

Firmware RecoveryIf a troubleshooting procedure has indicated that the firmware information in yourserver has been damaged, perform a firmware recove

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Text-Based System Management ServicesThe text-based Open Firmware command line and System Management Services areavailable if an ASCII terminal is att

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Display ConfigurationThis option provides information about the setup of your server. A screen similar tothe following is displayed.  <Device N

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MultiBoot MenuThe options available from this screen allow you to view and set various optionsregarding the operating system and boot sequence. Mul

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Safety NoticesA danger notice indicates the presence of a hazard that has the potential of causingdeath or serious personal injury. Danger notices ap

Strany 36 - Step 1020-1

Select Boot Device: Provides a list of devices that can be selected to be stored onthe boot list. Up to five devices are supported.OK Prompt: Provides

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 Current Boot Sequence 1. Diskette 2. Ethernet (Integrated) 3. SCSI CD-ROM id=3 (slot=1) 4. SCSI 5MB Hard Disk id=2 (slot=1) 5. SCSI 5MB Hard Di

Strany 38 - Step 1020-3

 Configure Nth Boot Device Device Number Current Position Device Name 1 1 Diskette 2 2 Ethernet 3 3 SCSI CD-ROM4 4 SCSI 4.5GB Hard Disk 5 - .--

Strany 39 - General Memory Information

UtilitiesThe Utilities screen enables you to select from the following system managementtools. Utilities 1. Set Passwords and Unattended Start Mode

Strany 40 - Step 1240-2

Set Password and Unattended Start ModeEntering this selection permits access to the following options. Password Utilities 1. Set Power On Password 2

Strany 41 - Step 1240-4

Set Privileged-Access Password: The privileged-access password protectsagainst the unauthorized starting of the system programs.To set the privileged

Strany 42 - MAP 1520: Power

Display Error LogA screen similar to the following displays when you select this option. You can viewor clear your server's error log.  .-----

Strany 43 - Step 1520-2

Remote Initial Program Load SetupThis option allows you to enable and set up the remote startup capability of yourserver. You must first specify the n

Strany 44 - Step 1520-3

Select the Adapter Parameters option to view an adapter's hardware address, as wellas configure network adapters that require setup. A screen sim

Strany 45 - Step 1520-4

Selecting option 1 (3Com,3C905) displays the following 100Mb Ethernetconfiguration menu: 3Com Etherlink Fast XL1. Media Type [Auto]2. Full Duplex [A

Strany 46 - Step 1520-5

Laser Safety InformationThe optical drive in the RS/6000 7046 Model B50 is a laser product. The opticaldrive has a label that identifies its classific

Strany 47

Selecting the Full Duplex option allows you to change how the Ethernet adaptercommunicates with the network:  .----------------.| Full Duplex || 1.

Strany 48 - Step 1540-2

After determining which adapter to use to ping the remote system, you must providethe addresses needed to communicate with the remote system. Select t

Strany 49 - Step 1540-3

  .--------------------------------------------------------------.| This selection will update your System Firmware. Do you want || to continue? Pr

Strany 50 - Step 1540-4

Select Console: Select this option to define which display is used by the systemfor system management. Select LanguageSelect this option to change the

Strany 51 - Step 1540-6

Open Firmware Command LineThe text-based Open Firmware command line allows you to configure someadapters, and the System Management Services makes it

Strany 52 - Step 1540-8

Chapter 7. Removal and Replacement ProceduresBefore performing any of the removal or replacement procedures in this chapter,read the following notice.

Strany 53 - Step 1540-9

Handling Static–Sensitive DevicesAttention: Adapters, planars, diskette drives, and disk drives are sensitive to staticelectricity discharge. These de

Strany 54

Removing the Cover1. Remove any media (diskette or CD) from the drives, as shown in the followingillustration:2. Shut down programs as described in yo

Strany 55 - Step 1540-10

7. Unscrew the two front thumbscrews that secure the server to the rack, as shownin the following illustration:8. Gently slide the server out of the r

Strany 56 - Step 1540-11

12. Unscrew the three thumbscrews located at the rear of the server, as shown inthe following illustration:211 213. Slide the cover to the rear approx

Strany 57 - Step 1540-12

Environmental NoticesProduct Recycling and DisposalThis unit contains materials such as circuit boards and connectors with lead thatrequire special h

Strany 58 - Step 1540-13

DASD 2-Pack Assembly Removal1. Remove the cover as described in “Removing the Cover” on page 7-3.2. Remove the disk drive cover, as described in “Fron

Strany 59 - Step 1540-14

Power SupplyDANGERDo not attempt to open the covers of the power supply. Power suppliesare not servicable and are to be replaced as a unit. Removal1.

Strany 60 - Step 1540-16

Cable TiesAfter replacing the power supply, ensure that you attach cable ties at the areasdesignated in the following diagrams:P4P3100mmP7P5PowerSupp

Strany 61 - Step 1540-18

40mmP12Bend cables first,then attach cableties.P11P1P2P10J7 J7 J8J2P9PowerSupply(Top View) Chapter 7. Removal and Replacement Procedures 7-9

Strany 62 - Step 1540-19

Riser Card Support BracketNote: If you need to remove an adaper card, do so before you remove the risercard support bracket. See “Adapter” on page 7-

Strany 63 - Step 1540-20

Riser Card Removal1. Remove the cover as described in “Removing the Cover” on page 7-3.2. Remove the adapters as described in “Adapter” on page 7-25.

Strany 64 - Step 1540-22

System Board Removal1. Remove the cover as described in “Removing the Cover” on page 7-3.2. Remove the adapters as described in “Adapter” on page 7-2

Strany 65

Fansink Removal1. Inform the customer that the system must be powered off for approximately onehour for the fan to be replaced.2. Power off the syste

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5. Locate and unplug the fan, and disconnect the fansink assembly power cablefrom the CPU fansink connector (J26).Note: There are two possible fansin

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adhesive between the heatsink and CPU chip will be less likely to pull thealuminum cap off the chip. Replacement1. If you are replacing a fansink 09P1

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xiv 7046 Model B50 Service Guide

Strany 69

Setting the SCSI Security JumpersTo increase server security, the external SCSI connector can be disabled bychanging jumpers on the system board.1. Lo

Strany 70

Front Covers RemovalNote: It is not necessary to remove the server from the rack to remove the frontcovers unless a removal procedure requires the t

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Power Switch Removal1. If you have not already done so, remove the cover as described in “Removingthe Cover” on page 7-3.2. Remove the front covers a

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Reset Button and Operator Panel Display Assembly Removal1. If you have not already done so, remove the cover as described in “Removingthe Cover” on pa

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Activity LED and Cable Assemblies Removal1. If you have not already done so, remove the cover as described in “Removingthe Cover” on page 7-3.2. Remov

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I/O Port Cable Assembly Removal1. If you have not already done so, remove the cover as described in “Removingthe Cover” on page 7-3.2. Disconnect the

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Diskette Drive Assembly Removal1. If you have not already done so, remove the cover as described in “Removingthe Cover” on page 7-3.2. Disconnect the

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CD-ROM Drive Assembly Removal1. If you have not already done so, remove the cover as described in “Removingthe Cover” on page 7-3.2. Disconnect the fo

Strany 77 - Memory PD Bits

Internal Disk Drives Removal1. Remove the disk drive bay cover as described in “Front Covers” on page 7-17.2. Press together the tabs located on the l

Strany 78 - Firmware Checkpoints

Adapter Removal1. If you have not already done so, remove the covers as described in “Removingthe Cover” on page 7-3.2. Note the location of the adap

Strany 79

About This BookThis book provides reference information, maintenance analysis procedures (MAPs),error codes, and removal and replacement procedures. T

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Memory ModulesYou can increase the amount of memory in your system by installing memorymodules. Your server uses 168-pin, 3.3 volt, dual inline Error

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4. Remove the memory modules, as shown in the following illustration.5. Store any memory modules you are no longer using in a static-protectivepackage

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Replacement1. Touch the static-protective package containing the option to any unpainted metalsurface on the server, then remove the option from the

Strany 83

3. The memory modules are keyed so that they can only be inserted one way.Align the memory module notches (1 in the following illustration) with the k

Strany 84

6. Reinstall any adapters you removed into their original connectors. (If you needfurther information for installing adapters, see “Adapter” on page 7

Strany 85

Changing the BatteryCAUTION:The lithium battery can cause fire, explosion, or a severe burn. Do notrecharge, disassemble, heat above 100°C (212°F), so

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Note: Skin oils can cause corrosion and loss of battery contact if they come intocontact with the battery for long periods of time. Use paper tissue

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Chapter 8. Parts Information Chapter 8. Parts Information 8-1

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Server123456791011121314151617202122233129282726252430323334191888-2 7046 Model B50 Service Guide

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IndexNumberFRU PartNumberUnits PerAssyDescription1 24L2650 1 Cover2 24L2647 1 Riser Card Support Bracket75G2878 2 Screw3 07L9085 1 I/O Port Cable Asse

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TrademarksThe following trademarks apply to this information: AIX is a registered trademark of International Business Machines Corporation. PowerPC

Strany 91 - Boot Problems or Concerns

123456791011121314151617202122233129282726252430323334191888-4 7046 Model B50 Service Guide

Strany 92

Fansink numbers by System Board Assembly and FRU NumbersIndexNumberFRU PartNumberUnits PerAssyDescription23 24L2663 1 CD-ROM Power Cable Jumper24 65G8

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Keyboards and Mouse21IndexNumberFRU Part Number Units PerAssyDescription1 93H8120 1 Keyboard, 101 United States English (ID 103P) 93H8121 1 Keyboard,

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Power Cables1234567891011Index Part Number Country1 1838574 Bahamas, Barbados, Bolivia, Brazil, Canada, Costa Rica,Dominican Republic, El Salvador, E

Strany 95 - Chapter 4. Location Codes

Index Part Number Country7 14F0033 Bahrain, Bermuda, Brunei, Channel Islands, Cyprus, Ghana,Hong Kong, India, Iraq, Ireland, Jordan, Kenya, Kuwait, Ma

Strany 96

Appendix A. Interpreting Firmware Error CodesThe error code is an 8-character (4-byte) hexadecimal code produced by firmware toidentify the potential

Strany 97 - Non-SCSI Devices/Drives

Current PCI 2.1 Class Code DefinitionField DescriptionR2 - R3 Device/FRU unique failure reason codesPCI BaseClass(lowernibble) S2PCISub-ClassS3 -S4Des

Strany 98

PCI BaseClass(lowernibble) S2PCISub-ClassS3 -S4Description6Bridge devices00 Host bridge01 ISA bridge02 EISA bridge03 MCA bridge04 PCI-to-PCI bridge05

Strany 99 - SCSI devices/drives

S2-S3-S4 Definition for devices and FRUs not defined in the PCI specification.PCI BaseClass(lowernibble) S2PCISub-ClassS3 -S4DescriptionBProcessors00

Strany 100

Base Class S2 Sub-ClassS3 - S4Description1 A0 SCSI Drivers (generic)B0 IDE DrivesC0 RAID DrivesD0 SSA DrivesE0 Tapes SCSIE1 Tapes IDEED SCSI changerEE

Strany 101 - Custom Boot List

Chapter 1. Reference Information Front View10 9 8 61112131234751 Power Switch: Turns server poweron and off.2 Hard Disk Drive Status Light:Glows when

Strany 102

A-6 7046 Model B50 Service Guide

Strany 103 - Recommended Boot Options

IndexAabout this book xvactivity LED 7-20activity LED cable assembly 7-20adapter 7-25adapter removal 7-25AIX location codes 4-3audio ports 1-2Bbatte

Strany 104

headphone port 1-2II/O port cable assembly 7-21installingmemory modules 7-26memory-module kits 7-26internal disk drive 7-24iso 9000 statement xvJjumpe

Strany 105

removal and replacement (continued)cover 7-3DASD 2-pack assembly 7-6disk drive bay cover 7-17diskette drive assembly 7-22front covers 7-17I/O port ca

Strany 106

X-4 7046 Model B50 Service Guide

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Reader's Comments — We'd Like to Hear From YouRS/6000 7046 Model B50 Service GuideForm Number: SA38-0564-00Overall how satisfied are you wit

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Fold and TapeFold and TapePlease do not StaplePlease do not StapleFold and TapeFold and TapeInformation DevelopmentDepartment H6DS-956111400 Burnet Ro

Strany 110 - MultiBoot

IBMPart Number: 03N4113Printed in the United States of Americaon recycled paper containing 10%recovered post-consumer fiber.SA38-564-3N4113

Strany 112

Rear View78910134526211 21 21 Keyboard Port: ( ): Forkeyboard connection.2 Mouse Port ( ): For mouseconnection.3 Parallel Port ( ): For connectinga

Strany 113 - Utilities

Front View without Covers Chapter 1. Reference Information 1-3

Strany 114

SpecificationsThe mechanical packaging, cooling, power supply, and environmental requirementsfor the workstation are as follows: DimensionsIn horizon

Strany 115 - Power-On Password

Power Supply250 watts Operating Voltage100 to 127V ac; 50 to 60 Hz200 to 240V ac; 50 to 60 HzHeat Output (Maximum)Operating 478 BTUs per hour Acousti

Strany 116 - Verify Password

System Board LocationsJ15J44J18J27J30J1J41J26J40J42J43J46J12J14J20J53J50J29J31J35J39B1J25J2J9J10J36J4J5J6J7J8J16J23J24J33J32J59 J56 J49 J45 J38 J22 J1

Strany 117 - Privileged-Access Password

B1 Battery connector J1 Not used J2 5x5 Auxiliary 5v connector J3 Audio input connector J4 Internal SCSI connector #2 J5 CD-ROM audio con

Strany 118

System Board Jumper SettingsFor a more complete description of the function of these jumpers, see "Installing andRemoving Options" in the RS

Strany 119 - Hard Disk Spin Up Delay

Riser Card21Slot Location Code/Comments2 10-90 PCI Primary1 10-B0 PCI Secondary, short card onlySCSI Bus TerminationThe Model B50 has an Ultra SCSI

Strany 120 - Error Log

Power CablesTo avoid electrical shock, a power cable with a grounded attachment plug isprovided. Use only properly grounded outlets.Power cables used

Strany 121 - Ping Config

 Changes have been made to the equipment that may affect the safe operation ofthe equipment. External devices with separate power supplies have been

Strany 122

RS/6000 7046 Model B50 IBMService Guide SA38-0564-00

Strany 123

1-12 7046 Model B50 Service Guide

Strany 124

Chapter 2. Maintenance Analysis Procedures (MAPs)This chapter contains Maintenance Analysis Procedures (MAPs) for the RS/60007046 Model B50. Entry MAP

Strany 125 - Firmware Update

Use the following table to determine your starting point.Symptom ActionService ActionsYou have parts to exchange or a correctiveaction to perform.1. G

Strany 126 - Firmware Recovery

Symptom ActionFlashing 888 is displayed in the control panelfollowed by additional error codes. Record insequence each code that is displayed after th

Strany 127

Symptom ActionThe system stops and POST indicators aredisplayed on the system console. The term"POST indicators" refer to the icons (graphic

Strany 128 - Display Configuration

Symptom ActionThe System Management Services menu isdisplayed.The device or media you are attempting to bootfrom may be faulty.1. Check the SMS error

Strany 129 - MultiBoot Menu

MAP 1020: Problem DeterminationPurpose of This MAPUse this MAP to get an error code if you were not provided one by the customer oryou are unable to l

Strany 130 - Select Boot Devices

Symptom ActionThe system login prompt is displayed. You may not have pressed the correct key, oryou may not have pressed the key soon enoughwhen you w

Strany 131

Step 1020-2There is a problem with the keyboard.Find the type of keyboard you are using in the following table; then follow theinstructions given

Strany 132

MAP 1240: Memory Problem ResolutionNote: The firmware checkpoint that sent you here could be one of the following: E122, E213, E214, E218, E220 or E

Strany 133

First Edition (September 1999)The following paragraph does not apply to the United Kingdom or any country wheresuch provisions are inconsistent with l

Strany 134

Step 1240-11. Ensure that the diagnostics and the operating system are shut down.2. Power off the system.3. Remove and reinstall any installed mem

Strany 135

Step 1240-3The failure may be caused by the last memory module installed or the system board.To isolate the failing FRU, do the following:1. Power

Strany 136 - Display Error Log

MAP 1520: PowerNotes:1. This is not a start of call MAP. Use this Power MAP only if you have beendirected here from a MAP step in this book or the Dia

Strany 137

DANGERTo prevent electrical shock hazard, disconnect the power cord from theelectrical outlet before relocating the system. Step 1520-1You may be d

Strany 138

Step 1520-31. Unplug the power cord from the server.2. Disconnect all external cables (parallel, serial 1, serial 2, keyboard, mouse,AUI/RJ45 ethe

Strany 139 - Ethernet adapter:

Step 1520-4Either the power supply, the power switch, the system fan, or the system board isdefective.Exchange the FRUs that have not already been

Strany 140

Step 1520-5One of the parts that was removed or unplugged is causing the problem. Install orconnect the parts in the following order: 1. Fans 2.

Strany 141 - Update System Firmware

MAP 1540: Minimum ConfigurationNote: If you were sent to this MAP from the Diagnostics Information for Multiple BusSystems as a result of an SRN 101-

Strany 142

Step 1540-11. Ensure that the diagnostics and the operating system are shut down.2. Turn off the power.3. Turn the power on.4. Insert the diagnost

Strany 143 - Select Language

6. When the keyboard indicator is displayed (the word keyboard on an ASCIIterminal or the keyboard and hand icon on graphical display), press the F5 k

Strany 144 - Open Firmware Command Line

ContentsCommunications Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .viiFederal Communications Commission (FCC) Statement ..

Strany 145

Step 1540-4One of the FRUs remaining in the server is defective.1. Turn off the power.2. Exchange one of the FRUs in the following list: System b

Strany 146

Step 1540-5No failure was detected with this configuration.1. Turn off the power.2. Install a memory module.3. Turn on the power.Does the operator

Strany 147 - Removing the Cover

Step 1540-7One of the FRUs remaining in the server is defective.1. Turn off the power.2. Exchange one of the FRUs in the following list: System b

Strany 148

YES One of the FRUs remaining in the server is defective.In the following order, exchange the FRUs that have not been exchanged: 1. Riser card2. Syst

Strany 149 - Replacement

NO One of the FRUs remaining in the server is defective.In the following order, exchange the FRUs that have not been exchanged:1. Go to the Problem De

Strany 150 - Removal

Step 1540-101. Make sure the diagnostic CD-ROM is inserted into the CD-ROM drive.2. Turn off the power.3. Plug the SCSI cables (J4 and J33) into t

Strany 151 - Power Supply

Step 1540-11The server is working correctly with this configuration. The diskette drive may bedefective.1. Make sure the diagnostic CD-ROM disc is

Strany 152 - Cable Ties

Step 1540-12The server is working correctly with this configuration. One of the FRUs (adapters)that you removed is probably defective,1. Turn off

Strany 153 - (Top View)

Step 1540-131. Make sure the diagnostic CD-ROM disc is inserted into the CD-ROM drive.2. Turn off the power.3. Starting with the last-installed ad

Strany 154 - Riser Card Support Bracket

Step 1540-141. Follow the instructions on the screen to select the system console.2. When the DIAGNOSTIC OPERATING INSTRUCTIONS screen is displaye

Strany 155 - Riser Card

Bus SRN to FRU Reference Table ... 3-12Firmware Checkpoints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Strany 156 - System Board

Step 1540-15Look at the FRU part numbers associated with the SRN in "Diagnostics Numbersand Codes" in Diagnostics Information for Multip

Strany 157

Step 1540-17The adapter or device is probably defective.If the supplemental media is for an adapter, replace the FRUs in the following order: 1.

Strany 158 - Fansink Location

Step 1540-191. Insert the diagnostic CD-ROM into the CD-ROM drive.2. Turn off the power.3. Connect the following external devices that were discon

Strany 159 - Replacement

Step 1540-201. Insert the diagnostic CD-ROM into the CD-ROM drive.2. Turn off the power.3. Connect one of the external devices that was disconnect

Strany 160

Step 1540-211. Insert the diagnostic CD-ROM into the CD-ROM drive.2. Turn off the power.3. Connect one of the external devices that was disconnect

Strany 161 - Front Covers

Chapter 3. Error Code to FRU IndexThe Error Code to FRU Index lists error symptoms and possible causes. The mostlikely cause is listed first. Use this

Strany 162 - Power Switch

Error Code Function/DescriptionRepair Action/Possible Failing FRU20A80002 Cannot get gatewayIP address.Refer to “Firmware Checkpoints” on page 3-14, u

Strany 163

Error Code Function/DescriptionRepair Action/Possible Failing FRU20E00005 EEPROM locked. 1. Turn off, then turn on the server.2. Replace system board

Strany 164

Error Code Function/DescriptionRepair Action/Possible Failing FRU20EE000A Pointer to theoperating systemnot found in nonvolatile storage.Values norma

Strany 165 - I/O Port Cable Assembly

Error Code Function/DescriptionRepair Action/Possible Failing FRU21A00001 Test Unit ReadyFailed - hardwareerrorRefer to 21A00xxx through 21A0004.1. R

Strany 166 - Diskette Drive Assembly

Activity LED and Cable Assemblies ... 7-20I/O Port Cable Assembly ... 7-21Diskette Drive Assembly

Strany 167 - CD-ROM Drive Assembly

Error Code Function/DescriptionRepair Action/Possible Failing FRU25000xxx Memory Controllerproblem25000000 Memory controllerfailedReplace system boa

Strany 168 - Internal Disk Drives

Error Code Function/DescriptionRepair Action/Possible Failing FRU25A80xxx NVRAM problem Notes:1. Errors reported against NVRAM can be caused bylow ba

Strany 169

Error Code Function/DescriptionRepair Action/Possible Failing FRU25A80203 Unable to expandtarget partition whilewriting VPD data.Refer to 25A80xxx.25

Strany 170 - Removing Memory Modules

Error Code Function/DescriptionRepair Action/Possible Failing FRU25AA0xxx EEPROM problem Notes:1. Ensure that the EEPROM Security jumper is in thecor

Strany 171

Error Code Function/DescriptionRepair Action/Possible Failing FRU2602000x PCI AdapterProblemNotes:1. Move card to another slot (behind a different PC

Strany 172

Error Code Function/DescriptionRepair Action/Possible Failing FRU28030001 RTC initializationrequired - RTC notupdating, corrected.Refer to action for

Strany 173

Bus SRN to FRU Reference TableThis table is used to locate defective FRUs within the system board PCI and ISAbuses, and indicates which devices should

Strany 174

Memory PD BitsThe following table expands the firmware error code 25Cyyrrr on page 3-9, whereyy is the PD value listed in the following table. Use the

Strany 175 - Changing the Battery

Firmware CheckpointsThe following table contains a list of checkpoints issued by the firmware duringinitialization.Checkpoint(hex)Description Repair

Strany 176

Checkpoint(hex)Description Repair ActionE111 GOOD CRC - jumpto composite imageSee “Unresolved problems” on page 3-26 E112 BAD CRC - initializebase me

Strany 177 - Chapter 8. Parts Information

vi 7046 Model B50 Service Guide

Strany 178

Checkpoint(hex)Description Repair ActionE122 No memorydetected (systemlockup) Note:Harddisk light is oncontinuously1. Replace memory dimm(s)2. Replace

Strany 179

Checkpoint(hex)Description Repair ActionE133 Create L2 CachenodeSee “Unresolved problems” on page 3-26E134 Create memorynodeSee “Unresolved problems”

Strany 180

Checkpoint(hex)Description Repair ActionE154 Create PCI bridgenodeSee “Unresolved problems” on page 3-26E155 Probe PCI bridgesecondary bus1. Replace P

Strany 181

Checkpoint(hex)Description Repair ActionE170 Start of PCI BusProbeSee “Unresolved problems” on page 3-26E171 Executing PCI-DelayfunctionSee “Unresolve

Strany 182 - Keyboards and Mouse

Checkpoint(hex)Description Repair ActionE19F Create eeprom node See “Unresolved problems” on page 3-26E1AD See description ofcheckpoint E1DE.See “Unre

Strany 183 - Power Cables

Checkpoint(hex)Description Repair ActionE1DC Dynamic consoleselectionIf a console is attached but nothing is displayed on it,follow the steps associat

Strany 184

Checkpoint(hex)Description Repair ActionE1E5 XCOFF boot imageinitializationSee “Unresolved problems” on page 3-26E1E6 Set up earlymemory allocationhea

Strany 185

Checkpoint(hex)Description Repair ActionE1EF Erase flash See “Unresolved problems” on page 3-26E1F0 Start O.B.E. See “Unresolved problems” on page 3-2

Strany 186

Checkpoint(hex)Description Repair ActionE207 Setup Data gathermode and 64/32-bitmode on PCGReplace system board (see note 3 on page 2-1).E208 Assign b

Strany 187

Checkpoint(hex)Description Repair ActionE244 Enable systemspeaker and send abeepReplace system board (see note 3 on page 2-1).E246 System firmwarecorr

Strany 188

Communications StatementsThe following statement applies to this product. The statement for other productsintended for use with this product appears

Strany 189

Checkpoint(hex)Description Repair ActionE602 SSA PCI adapteropen firmware hasstarted.1. Replace the adapter.2. See “Unresolved problems” on page 3-26E

Strany 190

Boot Problems or ConcernsDepending on the boot device, a checkpoint may be displayed on the operator panelfor an extended period of time while the boo

Strany 191 - Index X-1

 If the intended boot device is not listed in the NEW RESOURCE list, go to"MAP 0290: Missing Resource Problem Resolution" in DiagnosticsInf

Strany 192

 Replace system board (see note 3 on page 2-1). If you replaced the indicated FRUs and the problem is still not corrected, orthe above descriptions

Strany 193 - Index X-3

3-30 7046 Model B50 Service Guide

Strany 194

Chapter 4. Location CodesThe RS/6000 7046 Model B50 uses physical location codes in conjunction with AIXlocation codes to provide mapping of the fail

Strany 195 - X-5

1-C1.1 Identifies CPU 1 on CPU card 1 on planar 1.P2/Z1-A3.1 Identifies a SCSI device with a SCSI address of LUN 1 at SCSI ID 3attached to SCSI bus 1

Strany 196 - BUSINESS REPLY MAIL

AIX Location CodesThe basic formats of the AIX location codes are: For non-SCSI devices/drives: AB-CD-EF-GH For SCSI devices/drives: AB-CD-EF-

Strany 197

 The AB value identifies a bus type or PCI parent bus as assigned by thefirmware. The CD value identifies adapter number, adapter's devfunc num

Strany 198 - SA38-564-

 For async devices, GH defines the port on the fanout box. The values are 00 to15. For a diskette drive, H identifies either diskette drive 1 or 2.

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