IBM B50 User manual

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

First Edition (September 1999)
The following paragraph does not apply to the United Kingdom or any country where
such provisions are inconsistent with local law: THIS PUBLICATION IS PROVIDED “AS
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This publication could include technical inaccuracies or typographical errors. Changes are
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Such references or information must not be construed to mean that these products,
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licensed program in this publication is not intended to state or imply that you can use only that
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Requests for technical information about products should be made to your authorized reseller
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 International Business Machines Corporation 1999. All rights reserved.
Note to U.S. Government Users -- Documentation related to restricted rights -- Use,
duplication or disclosure is subject to restrictions set forth is GSA ADP Schedule Contract with
IBM Corp.

Contents
Communications Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii
Federal Communications Commission (FCC) Statement .............. vii
European Union (EU) Statement ............................ vii
International Electrotechnical Commission (IEC) Statement ............ viii
United Kingdom Telecommunications Safety Requirements ............ viii
Avis de conformité aux normes du ministère des Communications du Canada . viii
Canadian Department of Communications Compliance Statement ........ viii
VCCI Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Electromagnetic Interference (EMI) Statement - Taiwan .............. ix
Radio Protection for Germany .............................. x
Safety Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Laser Safety Information ................................ xii
Environmental Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
Product Recycling and Disposal ............................ xiii
Battery Return Program ................................. xiii
Environmental Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xiii
About This Book .................................... xv
ISO 9000 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Online Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Related Publications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xv
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xvi
Chapter 1. Reference Information . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
System Board Locations ................................. 1-6
System Board Jumper Settings ............................. 1-8
Riser Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
SCSI Bus Termination .................................. 1-9
Power Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-10
Service Inspection Guide ............................... 1-10
Chapter 2. Maintenance Analysis Procedures (MAPs) ............. 2-1
Entry MAP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
MAP 1020: Problem Determination .......................... 2-6
MAP 1240: Memory Problem Resolution ....................... 2-9
MAP 1520: Power ................................... 2-12
MAP 1540: Minimum Configuration ......................... 2-17
Preface iii

Chapter 3. Error Code to FRU Index ........................ 3-1
Bus SRN to FRU Reference Table .......................... 3-12
Firmware Checkpoints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Boot Problems or Concerns .............................. 3-27
Chapter 4. Location Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Physical Location Codes ................................ 4-1
AIX Location Codes ................................... 4-3
Chapter 5. Loading the System Diagnostics ................... 5-1
Loading Diagnostics in Service Mode Boot ...................... 5-2
Working with Standalone versus Online Diagnostics ................ 5-3
Chapter 6. Using System Management Services ................ 6-1
Graphical System Management Services ....................... 6-1
Config . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-4
MultiBoot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-6
Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-11
Hard Disk Spin Up Delay ............................... 6-15
Error Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
RIPL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-17
SCSI ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-20
Firmware Update . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-21
Text-Based System Management Services ..................... 6-23
Display Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24
MultiBoot Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
Utilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-29
Select Language . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-39
Open Firmware Command Line ........................... 6-40
Chapter 7. Removal and Replacement Procedures ............... 7-1
Handling Static–Sensitive Devices ........................... 7-2
Removing the Cover ................................... 7-3
DASD 2-Pack Assembly ................................. 7-6
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Riser Card Support Bracket .............................. 7-10
Riser Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11
System Board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
Setting the SCSI Security Jumpers ......................... 7-13
Front Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
Power Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-15
Reset Button and Operator Panel Display Assembly ............... 7-16
Activity LED and Cable Assemblies ......................... 7-17
iv 7046 Model B50 Service Guide

I/O Port Cable Assembly ............................... 7-18
Diskette Drive Assembly ................................ 7-19
CD-ROM Drive Assembly ............................... 7-20
Internal Disk Drives .................................. 7-21
Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-22
Memory Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-23
Changing the Battery ................................. 7-28
Chapter 8. Parts Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-2
Power Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-7
Appendix A. Interpreting Firmware Error Codes ................ A-1
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . X-1
Reader's Comments — We'd Like to Hear From You ............. X-3
Preface v

vi 7046 Model B50 Service Guide

Communications Statements
The following statement applies to this product. The statement for other products
intended for use with this product appears in their accompanying documentation.
Federal Communications Commission (FCC) Statement
Note: This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates,
uses, and can radiate radio frequency energy and, if not installed and used in
accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to cause
harmful interference in which case the user will be required to correct the
interference at his own expense.
Properly shielded and grounded cables and connectors must be used in order to
meet FCC emission limits. Neither the provider nor the manufacturer are responsible
for any radio or television interference caused by using other than recommended
cables and connectors or by unauthorized changes or modifications to this
equipment. Unauthorized changes or modifications could void the user's authority to
operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any interference received, including interference that may
cause undesired operation.
European Union (EU) Statement
This product is in conformity with the protection requirements of EU Council Directive
89/336/EEC on the approximation of the laws of the Member States relating to
electromagnetic compatibility. The manufacturer cannot accept responsibility for any
failure to satisfy the protection requirements resulting from a non-recommended
modification of the product, including the fitting of option cards supplied by third
parties. Consult with your dealer or sales representative for details on your specific
hardware.
This product has been tested and found to comply with the limits for Class A
Information Technology Equipment according to CISPR 22 / European Standard EN
55022. The limits for Class A equipment were derived for commercial and industrial
Communications Statements vii

environments to provide reasonable protection against interference with licensed
communication equipment.
Attention: This is a Class A product. In a domestic environment this product may
cause radio interference in which case the user may be required to take adequate
measures.
International Electrotechnical Commission (IEC) Statement
This product has been designed and built to comply with IEC Standard 950.
United Kingdom Telecommunications Safety Requirements
This equipment is manufactured to the International Safety Standard EN60950 and
as such is approved in the UK under the General Approval Number
NS/G/1234/J/100003 for indirect connection to the public telecommunication network.
The network adapter interfaces housed within this equipment are approved
separately, each one having its own independent approval number. These interface
adapters, supplied by the manufacturer, do not use or contain excessive voltages.
An excessive voltage is one which exceeds 70.7 V peak ac or 120 V dc. They
interface with this equipment using Safe Extra Low Voltages only. In order to
maintain the separate (independent) approval of the manufacturer's adapters, it is
essential that other optional cards, not supplied by the manufacturer, do not use
main voltages or any other excessive voltages. Seek advice from a competent
engineer before installing other adapters not supplied by the manufacturer.
Avis de conformité aux normes du ministère des Communications du
Canada
Cet appareil numérique de la classe A respecte toutes les exigences du Réglement
sur le matériel brouilleur du Canada.
Canadian Department of Communications Compliance Statement
This Class A digital apparatus meets the requirements of the Canadian
Interference–Causing Equipment Regulations.
viii 7046 Model B50 Service Guide

VCCI Statement
The 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 Voluntary Control Council for
Interference by Information Technology Equipment (VCCI). If this equipment is used
in a domestic environment, radio disturbance may arise. When such trouble occurs,
the user may be required to take corrective actions.
Electromagnetic Interference (EMI) Statement - Taiwan
The following is a summary of the EMI Taiwan statement above.
Warning: This is a Class A product. In a domestic environment this product may
cause radio interference in which case the user will be required to take adequate
measures.
Communications Statements ix

Radio Protection for Germany
Dieses Gerät ist berechtigt in Übereinstimmung mit Dem deutschen EMVG vom
9.Nov.92 das EG–Konformitätszeichen zu führen.
Der Aussteller der Konformitätserklärung ist die IBM Germany.
Dieses Gerät erfüllt die Bedingungen der EN 55022 Klasse A. Für diese von
Geräten gilt folgende Bestimmung nach dem EMVG:
Geräte dürfen an Orten, für die sie nicht ausreichend entstört sind, nur mit
besonderer Genehmigung des Bundesministers für Post und Telekommunikation
oder des Bundesamtes für Post und Telekommunikation betrieben werden. Die
Genehmigung wird erteilt, wenn keine elektromagnetischen Störungen zu erwarten
sind.
(Auszug aus dem EMVG vom 9.Nov.92, Para.3, Abs.4)
Hinweis
Dieses Genehmigungsverfahren ist von der Deutschen Bundespost noch nicht
veröffentlicht worden.
x7046 Model B50 Service Guide

Safety Notices
A danger notice indicates the presence of a hazard that has the potential of causing
death or serious personal injury. Danger notices appear on the following pages:
2-12
7-1
7-7
A caution notice indicates the presence of a hazard that has the potential of causing
moderate or minor personal injury. Caution notices appear on the following pages:
xii
2-12
7-1
7-28
Safety Notices xi

Laser Safety Information
The optical drive in the RS/6000 7046 Model B50 is a laser product. The optical
drive has a label that identifies its classification. The label, located on the drive, is
shown below.
CLASS1LASERPRODUCT
LASERKLASSE1
LUOKAN1LASERLAITE
APPAREIL A LASERDECLASSE1
IEC825:1984 CENELECEN60825:1991
The optical drive in the RS/6000 7046 Model B50 is certified in the U.S. to conform
to the requirements of the Department of Health and Human Services 21 Code of
Federal Regulations (DHHS 21 CFR) Subchapter J for Class 1 laser products.
Elsewhere, the drive is certified to conform to the requirements of the International
Electrotechnical Commission (IEC) 825 (1st edition 1984) and CENELEC EN 60
825:1991 for Class 1 laser products.
CAUTION:
A class 3 laser is contained in the device. Do not attempt to operate the drive
while it is disassembled. Do not attempt to open the covers of the drive as it
is not serviceable and is to be replaced as a unit.
Class 1 laser products are not considered to be hazardous. The optical drive
contains internally a Class 3B gallium-arsenide laser that is nominally 0.14 milliwatts
at 830 nanometers. The design incorporates a combination of enclosures,
electronics, and redundant interlocks such that there is no exposure to laser radiation
above a Class 1 level during normal operation, user maintenance, or servicing
conditions.
xii 7046 Model B50 Service Guide

Environmental Notices
Product Recycling and Disposal
Components of the system unit, such as structural parts and circuit cards, can be
recycled where recycling facilities exist. Companies are available to disassemble,
reutilize, recycle, or dispose of electronic products. Contact your account
representative for more information. This system unit contains batteries and circuit
boards with lead solder. Before you dispose of this unit, these batteries and circuit
boards must be removed and discarded according to local regulations or recycled
where facilities exist. This book contains specific information on each battery type
where applicable.
Battery Return Program
In the United States, IBM has established a collection process for reuse, recycling, or
proper disposal of used IBM batteries and battery packs. For information on proper
disposal of the batteries in this unit, please contact IBM at 1-800-426-4333. Please
have the IBM part number that is listed on the battery available when you make your
call. For information on battery disposal outside the United States, contact your local
waste disposal facility.
Environmental Design
The environmental efforts that have gone into the design of this system signifies
IBM's commitment to improve the quality of its products and processes. Some of
these accomplishments include the elimination of the use of Class I ozone-depleting
chemicals in the manufacturing process and reductions in manufacturing wastes.
For more information, contact an IBM account representative.
Environmental Notices xiii

xiv 7046 Model B50 Service Guide

About This Book
This book provides reference information, maintenance analysis procedures (MAPs),
error codes, and removal and replacement procedures. This book also provides
information on diagnostics, System Management Services, and firmware flow. A
parts catalog is also included.
Note: MAPs that are common to all systems are contained in Diagnostics
Information for Multiple Bus Systems , order number SA38-0509.
This book is used by the service technician to repair system failures. This book
assumes that the service technician has had training on the server.
ISO 9000
ISO 9000 registered quality systems were used in the development and
manufacturing of this product.
Online Publications
RS/6000 publications are available online. To access the online books, visit our Web
site at: http://www.rs6000.ibm.com/resource/hardware_docs/
Related Publications
The following publications are available for purchase:
 Diagnostics Information for Multiple Bus Systems , order number SA38-0509,
contains common diagnostic procedures, error codes, service request numbers,
and failing function codes. This manual is intended for trained service
technicians.
 Adapters, Devices, and Cable Information for Multiple Bus Systems , order
number SA38-0516, contains information about adapters, external devices, and
cabling. This manual is intended to supplement information found in the
Diagnostics Information for Multiple Bus Systems .
 RS/6000 7046 Model B50 Setup Guide , order number SA38-0562, is a pictorial
guide designed to help system users set up their systems.
 RS/6000 7046 Model B50 User's Guide , order number SA38-0563, provides
information about installing options, system operation, and running diagnostics.
About This Book xv

Trademarks
The following trademarks apply to this information:
AIX is a registered trademark of International Business Machines Corporation.
PowerPC is a trademark of International Business Machines Corporation.
xvi 7046 Model B50 Service Guide

Chapter 1. Reference Information
Front View
10 9 8 611
12 13 1234
75
1 Power Switch: Turns server power
on and off.
2 Hard Disk Drive Status Light:
Glows when server is reading from or
writing to the hard disk.
3 Power-On Light: Glows when
server is on.
4 Disk Drive Bay Cover: Covers the
hard disk drive bays.
5 Reset Button: Function depends
upon the operating system installed.
6 Operator Panel Display: Function
depends upon the operating system
installed; may display current status of
server startup, or diagnostic information
in the event of a hardware problem.
7 CD-ROM Eject Button: Releases
the CD-ROM from the CD-ROM drive.
8 CD-ROM Emergency Eject: Ejects
CD-ROM from the CD-ROM drive if
power is not available.
9 CD-ROM Status Light: Indicates
when the CD-ROM drive is active.
10 CD-ROM Volume Control:
Controls the volume for the CD-ROM
headphone jack.
11 CD-ROM Headphone Jack:
CD-ROM Headphone connector.
12 Diskette-Drive Status Light:
Glows when server is reading from or
writing to a diskette.
13 Diskette Eject Button: Releases
diskette from 3.5-inch diskette drive.
Chapter 1. Reference Information 1-1

Rear View
789
10
1
3
4
52
6
2
1
1 2
1 2
1 Keyboard Port: ( ): For
keyboard connection.
2 Mouse Port ( ): For mouse
connection.
3 Parallel Port ( ): For connecting
a parallel printer or other parallel
devices.
4 Ethernet Port ( ): For attaching
your server to an Ethernet/Twisted pair
connection through a 100/10 Base T
connector.
5 External SCSI Port ( ):
For connecting external SCSI devices.
6 Audio Ports:
7 9-Pin Serial Ports
(
1
and
2
): For a TTY terminal,
Modem, or other serial devices.
8 Tablet Port ( ): For attaching a
digitizing tablet to your server.
9 Ethernet Port ( ): For attaching
your server to an Ethernet thick
connection (or Ethernet thin connection,
using an optional transceiver) through a
100/10 Base 5 connector.
10 Expansion Slots: For adding PCI
adapters.
Headphone
Microphone
Audio line out
Audio line in
1-2 7046 Model B50 Service Guide

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

Specifications
The mechanical packaging, cooling, power supply, and environmental requirements
for the workstation are as follows:
Dimensions
In horizontal orientation, the dimensions are:
Height - 88.0 mm (3.5 inches)
Width - 447.0 mm (17.6 inches)
Depth - 612.0 mm (24.1 inches) Minimum
Depth - 751.8 mm (29.6 inches) Maximum (includes covers and cables)
Weight
14.5 kg (32 lb) Minimum to 15.9 kg (35 lb) Maximum
Maximum Support Capacity (Horizontal Position)
27.3 kg (60 lbs)
Operating Environment - Class C
Temperature - 10° to 40°C (50° to 104°F)1
Humidity - 8% to 80% noncondensing
Wet Bulb - 27 degrees C (80 degrees F) operating and nonoperating2
Maximum Altitude - 2135 m (7000 feet)
Power Source Loading
0.3k VA typical
0.5k VA maximum
1The upper limit of the dry bulb temperature must be derated 1° C per 137m (450 ft.) above 915m (3000
ft.).
2The upper limit of the wet bulb temperature must be derated 1° C per 274m (900 ft.) above 305m (1000
ft.).
1-4 7046 Model B50 Service Guide