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IBM Personal System/2 Hardware Maintenance Manual October 1994 We Want Your Comments! (Please See Page 440)

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IBM Personal System/2 Hardware Maintenance Manual October 1994 We Want Your Comments! (Please See Page 440) IBM Personal System/2 S52G-9971-02 Hardware Maintenance Manual October 1994 We Want Your Comments! (Please see page 440) IBM Personal System/2 S52G-9971-02 Hardware Maintenance Manual October 1994 We Want Your Comments! (Please see page 440) IBM Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 445. Third Edition (October 1994) The following paragraph does not apply to the United Kingdom or any country where such provisions are inconsistent with local law: INTERNATIONAL BUSINESS MACHINES CORPORATION PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or implied warranties in certain transactions, therefore, this statement may not apply to you. This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in new editions of the publication. IBM may make improvements and/or changes in the product(s) and/or the program(s) described in this publication at any time. It is possible that this publication may contain reference to, or information about, IBM products (machines and programs), programming, or services that are not announced in your country. Such references or information must not be construed to mean that IBM intends to announce such IBM products, programming, or services in your country. Requests for technical information about IBM products should be made to your IBM authorized reseller or IBM marketing representative. Copyright International Business Machines Corporation 1992, 1994. All rights reserved. Note to U.S. Government users–Documentation related to Restricted rights–Use, duplication, or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp. ii PS/2 Maintenance Manual About This Manual This manual contains service and reference information for IBM* Personal System/2* desktop and floor-standing computers. The service section includes procedures for isolating problems to a FRU, Symptom-to-FRU Indexes (AT* Bus, Micro Channel*, and QAPlus/PRO**), related service procedures, and an illustrated parts catalog. The reference section includes safety information, product descriptions, and general information about system functions, and the Advanced Diagnostic tests. This manual should be used along with the advanced diagnostic tests to troubleshoot problems effectively. Important This manual is intended for trained servicers who are familiar with PS/2 products. Before servicing a PS/2 product, be sure to review “Safety Information” on page 365. * Trademark of the IBM Corporation. ** QAPlus/PRO is a trademark of DiagSoft, Inc. iii Related Publications The following publications are available from IBM or your IBM Authorized Dealer. For Information About See Publication Disk Array technology, RAID Configuring Your Disk Array Configuration Program booklet (S82G-1506) Installation Planning for Personal System/2 Personal System/2 Installation Planning and computers Beyond (G41G-2927) Installation Planning for Advanced PS/2 Servers Advanced Personal Planning and Selection System/2 servers Guide (GG24-3927) PS/ValuePoint* computers IBM PS/ValuePoint HMM (S61G-1423) Laptop, Notebook, and IBM Mobile Systems HMM Portable computers Volume 1 (S82G-1501) ThinkPad* computers IBM Mobile Systems HMM Volume 2 (S82G-1502) Monitors (Displays) IBM Display HMM - Vol. 1 (SA38-0053) IBM Monitor HMM - Vol. 1 (S68G-2484) IBM Monitor HMM - Vol. 2 (S71G-4197) Obsolete Publications This manual obsoletes these previous publications. Publication Part, Form Number PS/2 HMM 71G3716, S52G-9971 PS/2 HMM Supplement 71G6781, S71G-6781 PS/2 HMM Supplement 82G3782, S82G-3782 PS/2 HMM Supplement 82G3836, S82G-3836 PS/2 HMM Supplement 82G3896, S82G-3896 PS/2 OBI Supplement 83G7709, S83G-7709 PS/2 HMM Supplement 83G7836, S83G-7836 PS/2 HMM Supplement 83G7912, S83G-7912 PS/2 OBI Supplement 83G7917, S83G-7917 PS/2 HMM Supplement 83G8084, S83G-8084 PS/2 OBI Supplement 83G8092, S83G-8092 PS/2 OBI Supplement 83G8983, S83G-8983 * Trademark of the IBM Corporation iv PS/2 Maintenance Manual Contents Related Publications . iv Obsolete Publications . iv Hardware Maintenance Service ......... 1 FRU Replacement Strategy .......... 1 Hard Disk Drive Replacement Strategy ..... 1 Introduction . 2 General Checkout (AT Bus) ............ 3 Memory Problems (8086 Computers) ...... 6 Memory Problems (80286 to 80486 Computers) . 9 Memory Problems (PC Server - 8640) ..... 10 Installed Devices List ............. 11 Symptom-to-FRU Index (AT Bus) ......... 12 No-Beep Symptoms . 12 Beep Symptoms . 13 Miscellaneous Symptoms . 13 Numeric Error Codes .............. 15 General Checkout (Micro Channel) ......... 19 Devices List . 23 Missing Non-SCSI Device ........... 24 Missing SCSI Device .............. 24 Missing SCSI and Non-SCSI Devices ...... 25 System Error Log ............... 25 Viewing the System Error Log ........ 25 Symptom-to-FRU Index (Micro Channel) ...... 26 No-Beep Symptoms . 27 Beep Symptoms . 29 Audio Symptoms . 30 Miscellaneous Symptoms . 30 Numeric Error Codes .............. 33 IML and IPL Errors .............. 55 Checking Startup Sequence and Hard Disk Drive 56 General Checkout (QAPlus/PRO) ......... 59 PC Server (8640) Setup Utility ......... 60 Symptom-to-FRU Index (QAPlus/PRO) ....... 61 No Beep Symptoms .............. 62 Beep Symptoms . 63 Error Codes . 64 Error Messages . 66 Miscellaneous Error Messages ......... 72 Network Service Procedures ............ 74 Data Rate Switch Settings ........... 74 Testing the Token-Ring Adapter ........ 74 Token-Ring POST Errors ............ 79 Testing the Ethernet Adapter .......... 81 Ethernet POST Errors ............. 85 Selecting Network Configuration Parameters . 87 Network Configuration Errors .......... 89 ISA PS/ValuePoint 10BASE-T/10BASE2 Ethernet Adapters . 90 Copyright IBM Corp. 1994 v ISA PS/ValuePoint Ethernet Adapter Features Diskette . 90 ISA PS/ValuePoint Ethernet Adapter Configuration Options . 90 I/O Address . 90 IRQ Interrupt Levels ............ 91 ROM Address . 91 Changing PS/ValuePoint ISA Adapter Configuration . 91 PS/2 ServerGuard Adapter ........... 92 Cabling . 93 External DAA Cabling ............ 93 DAA Cable Check ............. 93 External Power Control Box Cabling ..... 94 ServerGuard Adapter Symptom-to-FRU Index 95 Wireless Network . 97 ISA Bus Switch Settings .......... 97 ISA Mode Operations Parameters ...... 97 Wireless LAN Utilities Diskette ........ 99 Placement of Radio Modules ........ 99 Error Management Overview ....... 100 Running Adapter Diagnostics ....... 100 PCMCIA Credit Card Problems ...... 101 Interrupt Level or I/O Address Conflicts . 102 Checking the Base Configuration (OS/2 Environment) . 102 LAPS Installation Problem ......... 104 Problem Resolution Worksheet ...... 104 Obtaining the Necessary Data ....... 105 Related Service Information ........... 107 ACPA/A Advanced Diagnostic Tests ..... 108 Audio Output Tone (Tone) ........ 108 Microphone Input Loop (Loop) ....... 108 Microphone Gain Toggle (Toggle) ..... 108 CSD (DOS) Version Level Check ....... 108 CSD (OS/2) Version Level Check ....... 108 Combined FRUs Diagnostics ......... 108 Display Adapter 8514/A ........... 109 Display Self-Test . 110 Display Considerations . 111 Fax/Modem Checkout . 112 How to Use a Symptom-to-FRU Index .... 114 Error Code Format ............ 115 Identifying Adapters . 122 Keyboard Voltage Check ........... 123 Standard Connector . 123 Memory-Module Kit Identification ....... 123 Memory Problems . 125 Models 50, 55, 60, 65, 70, and 80 ..... 125 Models 53 (9553-xBx) 56, 57, 76, 77, 85, 90, and 95 . 125 Determining Models 90/95 Processor Type . 126 Processor Board Matrix (90, 95) ...... 126 Using the Low-Level Format Program . 129 vi PS/2 Maintenance Manual Option Microprocessor Jumper (76, 77) .... 130 OS/2 Problems during a New Installation . 130 OS/2 Trap Errors .............. 131 PCMCIA Diagnostics (PS/2 E Model 33) . 133 PCMCIA Adapter Switch Settings ....... 134 PCMCIA PC Card Lock Override ....... 134 Printer Errors . 134 Processor Board Installation (90, 95) ..... 135 Processor Boards with Diagnostic LEDs . 135 Processor Boards without Diagnostic LEDs . 135 Processor Upgrade (Models 50/50Z/60 - 486SLC2) Switch Settings ......... 136 Processor Upgrade (Models 70/80 - 486DX33) Switch Settings . 136 Processor Upgrade (Model 70/80 - 486DX33 ) FRU Isolation . 136 Processor (Px) Label Cross-reference ..... 137 Power Supply Voltage Check ......... 138 Models 25, 25 SX, 25-286 ........ 138 Models 30, 30-286 ............ 138 Model 33 . 139 Models 35, 40, 56, 57, 76, 77 ....... 140 Models 50, 70 .............. 141 Model 55, PS/2 9553-xBx ......... 141 Models 60, 65, 80 ............ 142 Model 90 . 142 PC Server (8640) ............. 143 PC Server 500 (Type 86XX) Power Supplies 145 Server 85, PS/2 9585-xKx, PS/2 9585-xNx, Model 95, and 3511 ........... 147 Model 3510 . 148 Model 3532 . 148 OBI DASD Hot Swap Storage Expansion Enclosure . 149 Real-Time Clock Problems .......... 150 Remote Power-on Jumper (95) ........ 150 Running Automatic Configuration ....... 150 ServerGuide CDs (Type 86XX) ........ 151 SCSI Controller on the System Board ..... 180 SCSI Device Default Settings ......... 180 Enable and Disable Settings ....... 180 Keep/Remove Settings . 180 Changing the Settings .........
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