IBM R31 - Manual (Page 5)

Contents
Preface . . . . . . . . . . . . . . . iii
ThinkPad R30/R31 Hardware Maintenance Manual 1
Introduction . . . . . . . . . . . . . . 1
Important Service Information. . . . . . . . 1
Drive and Diskette Compatibility Matrix . . . . . 2
Safety Notices (Multi-lingual Translations) . . . . 3
Safety Information. . . . . . . . . . . 13
Laser Compliance Statement . . . . . . . 17
General Descriptions . . . . . . . . . . . 20
Read this first . . . . . . . . . . . . . 21
What to do first . . . . . . . . . . . 21
FRU replacement notices . . . . . . . . . 23
LCD replacement notice . . . . . . . . . 23
Screw notices . . . . . . . . . . . . 23
System board/LCD/Inverter replacement notice 24
Related service information . . . . . . . . . 26
Power button as reset switch . . . . . . . 26
Running a low-level format . . . . . . . . 26
Service Web site . . . . . . . . . . . 26
Passwords . . . . . . . . . . . . . 26
Power management features . . . . . . . 28
Fn key combinations . . . . . . . . . . 30
Product recovery program . . . . . . . . 30
Flash BIOS. . . . . . . . . . . . . 33
Checkout guide . . . . . . . . . . . . 34
Testing the computer . . . . . . . . . . 34
Related service information . . . . . . . . 35
Power systems checkout. . . . . . . . . 36
Symptom-to-FRU Index . . . . . . . . . . 40
Numeric Error Codes and Messages . . . . . 40
Beep Symptoms . . . . . . . . . . . 43
LCD-Related Symptoms . . . . . . . . . 44
Keyboard/TrackPoint-Related Symptoms . . . . 45
Indicator-Related Symptoms. . . . . . . . 45
Power-Related Symptoms . . . . . . . . 45
Memory-Related Symptom . . . . . . . . 46
Audio-Related Symptoms . . . . . . . . 46
PC Card (PCMCIA)-Related Symptoms . . . . 46
Power Management-Related Symptoms . . . . 47
Peripheral-Device-Related Symptoms . . . . . 47
Modem-Related Symptom . . . . . . . . 48
Operating System-Related Symptom . . . . . 48
Intermittent Problems . . . . . . . . . . 48
Undetermined Problems . . . . . . . . . 49
ThinkPad R30 . . . . . . . . . . . . . 50
Product overview . . . . . . . . . . . 51
FRU removals and replacements . . . . . . 56
Locations . . . . . . . . . . . . . 84
Parts list . . . . . . . . . . . . . 87
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