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S82G-1503-05
IBM Mobile Systems
Hardware Maintenance Manual
Volume 3: ThinkPad Computers
March 1997
We Want Your Comments!
(Please see page 611)
This Manual Supports:
ThinkPad 365C/CD (2625)
ThinkPad 365CS/CSD (2625)
ThinkPad 365X/XD (2625)
ThinkPad 380 (2635)
ThinkPad 385 (2635)
ThinkPad 560 (2640)
ThinkPad 760C/CD (9546)
ThinkPad 760E/ED (9546)
ThinkPad 760L/LD (9546)
ThinkPad 760EL/ELD (9547)
ThinkPad 760XL (9546)
ThinkPad 760XD (9547)
SelectaDock (
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S82G-1503-05 IBM Mobile Systems Hardware Maintenance Manual Volume 3: ThinkPad Computers March 1997 We Want Your Comments! (Please see page 611) IBM
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Note Before using this information and the product it supports, be sure to read the general information under “Notices” on page 616. Sixth Edition (March 1997) 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 MERCHANT
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About This Manual This manual contains service and reference information for IBM ThinkPad 365, 380, 385, 560, 760, and SelectaDock products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively. The manual is divided into sections as follows: The Introduction section provides general information, guidelines, and safety information required to service computers. The product-specific sections include service, reference, and product-specific parts
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Related Publications The following mobile product publications are available through IBM or your IBM Authorized Dealer. Publication Part, Form Number Mobile Systems HMM 30H2356, S82G-1501-01 Volume 1: Laptop, Notebook, Portable, and ThinkPad Computers (Models L40, CL57, N45, N51, P70/P75, ThinkPad 300, 350, 500, 510, 710T, Expansion Unit, Dock I, Dock II) Mobile Systems HMM 30H2357, S82G-1502-03 Volume 2: ThinkPad Computers (Model 340, 355, 360, 370, 700, 701, 720, 750, 755) ThinkPad 700
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Related Diskettes The following diskettes are available through IBM or your IBM Authorized Dealer. Diskette Part, Form Number ThinkPad 300 (2615) 33G9361, S33G-9361 Advanced Diagnostics Diskette ThinkPad 350, 350C, 425, A211000, GA21-1000 425C (2618) Advanced Diagnostics Diskette ThinkPad 365 (2625) 76H7578, S30H-2498 Advanced Diagnostics Diskette ThinkPad 500 (2603) 71G3702, S71G-3702 Advanced Diagnostics Diskette ThinkPad 510 (2604) 83G8095, S83G-8095 Advanced Diagnostics Diskette Think
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vi IBM Mobile Systems - ThinkPad HMM Volume 3
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Contents Introduction . . . . . . . . . . . . . . . . . . . 1 Portable Computer Descriptions .......... 2 Drive and Diskette Compatibility Matrix ....... 5 Important Service Information ........... 6 Safety Notices (Multi-lingual Translations) ..... 8 Safety Information . . . . . . . . . . . . . . . . 15 Laser Compliance Statement ........... 20 Screw Size Chart ................. 22 ThinkPad 365 (2625) . . . . . . . . . . . . . . 25 Read This First .................. 27 General Checkout
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Parts Listing 560 (2640) ............. 325 ThinkPad 760 (9546, 9547) . . . . . . . . . . 335 Read This First ................. 338 Checkout Guide . . . . . . . . . . . . . . . . 341 Symptom-to-FRU Index . . . . . . . . . . . . . 359 Related Service Procedures ........... 372 Product Overview (760) . . . . . . . . . . . . . 377 FRU Removals and Replacements ........ 382 LCD Removal and Replacement ......... 427 LCD Unit, 12.1 SVGA (P/N 29H9226, ASM P/N 29H9029) . . . . . . . . . . . . . .
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Do You Need Technical References? ...... 612 Problem Determination Tips ........... 613 Phone Numbers, U.S. and Canada ........ 614 Notices . . . . . . . . . . . . . . . . . . . . . 616 Contents ix
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x IBM Mobile Systems - ThinkPad HMM Volume 3
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Introduction Portable Computer Descriptions .......... 2 Drive and Diskette Compatibility Matrix ....... 5 Important Service Information ........... 6 How to Use Error Messages .......... 7 How to Read POST Error Messages ...... 7 Safety Notices (Multi-lingual Translations) ..... 8 Safety Information . . . . . . . . . . . . . . . . 15 General Safety . . . . . . . . . . . . . . . . 15 Electrical Safety . . . . . . . . . . . . . . . . 16 Safety Inspection Guide ............ 17 Handling El
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Portable Computer Descriptions Models N51, CL57, and P70/75 and Thinkpads 700x and 720x are Micro Channel systems. All others are AT/ISA bus systems. Model Type Processor Memory Hrd Dsk Model L40SX 8543-044 386SX-20 2M/18M 60M Model N45 SL 2614-065 386SL-25 2M/8M 80M 2614-067 386SL-25 2M/8M 120M Model N51 SLC 8551-025 386SLC-16 2M/10M 80M Model N51 SX 8551-033 386SX-16 2M/10M 40M Model CL57 SX 8554-045 386SX-20 2M/16M 80M Model P70 386 8573-031 80386-16 2M/8M 30M 8573-061 80386-20 2
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Model Type Processor Memory Hrd Dsk ThinkPad 380 2635 Pentium-150 16M/48M 1.08G 2635 Pentium-150 16M/48M 1.35G 2635 Pentium-150 16M/48M 2.10G ThinkPad 385 2635 Pentium-150 16M/48M 1.08G 2635 Pentium-150 16M/48M 1.35G 2635 Pentium-150 16M/48M 2.10G ThinkPad 500 2603-081 486SLC2-50/25 4M/12M 80M 2603-171 486SLC2-50/25 4M/12M 170M ThinkPad 560 2640 Pentium-100 8M/40M 540M 2640 Pentium-100 8M/40M 810M 2640 Pentium-100 8M/40M 1.0G ThinkPad 560 2640 Pentium-120 8M/40M 540M 2640 Pentium-120 8M/
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Model Type Processor Memory Hrd Dsk ThinkPad 755CV 9545 486DX4-100/33 8M/32M 540M 9545 486DX4-100/33 8M/32M 810M ThinkPad 755CV 9545 486DX4-100/33 8M/32M 540M 9545 486DX4-100/33 8M/32M 810M ThinkPad 760C/CD 9546 Pentium-90 8M/40M 360M 9546 Pentium-120 8M/40M 720M 9546 Pentium-90 8M/40M 810M 9546 Pentium-120 8M/40M 1.2G ThinkPad 760E/ED 9546 Pentium-120 8M/80M 810M 9546 Pentium-133 8M/80M 1.0G 9546 Pentium-150 8M/80M 1.2G 9546 Pentium-166 8M/80M 1.3G 9546 Pentium-166 8M/80M 2.1G ThinkPad 7
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Drive and Diskette Compatibility Matrix The following table provides identification information for 3.5-inch drives. Diskette Identifying Drive Mark 3.5-Inch - 1.44MB 1.44 on the eject button 3.5-Inch - 2.88MB 2.88 on the eject button The following table provides compatibility information for 3.5-inch diskettes and 3.5-inch diskette drives. Diskette 1.44MB 2.88MB Capacity Drive Drive 1.0MB Read/Write Read/Write 2.0MB Read/Write Read/Write 4.0MB Not Compatible Read/Write The followi
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Important Service Information Important Diskette fixes are customer installable. The diskette fixes are located on the PC Company Bulletin Board Service (BBS). The direct phone line for modem connection is 919-557-0001 or tieline 255-0001. Advise customers to contact the PC Company HelpCenter at 800-772-2227 if they need assistance in obtaining or installing any diskette fixes. Customers in Canada should call IBM HelpPC at 800-565-3344 for assistance or down-load information. The Canadi
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The advanced diagnostic tests are intended to test only IBM products. Non-IBM products or modified options can give false errors and invalid responses. Hard Disk Drive Replacement Strategy: Always try to run a low-level format before replacing a hard disk drive. Attention The drive startup sequence in the computer you are servicing might have been changed. Be extremely careful during write operations such as copying, saving, or formatting. Data or programs can be overwritten if you sele
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Safety Notices (Multi-lingual Translations) In this manual, safety notices appear in English with a page number reference to the appropriate multi-lingual, translated safety notice found in this section. The following safety notices are provided in English, French, German, Italian, and Spanish languages. Safety Notice 1 Before the computer is powered-on after FRU replacement, make sure all screws, springs, or other small parts are in place and are not left loose inside the computer. Verif
