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Contents
Preface . . . . . . . . . . . . . . . . . . . . . iii
Introduction . . . . . . . . . . . . . . . . . . . 1
Important Service Information ........... 1
FRU Replacement Strategy .......... 1
Hard Disk Drive Replacement Strategy: ..... 2
How to Use Error Messages .......... 2
How to Read POST Error Messages ...... 2
Drive and Diskette Compatibility Matrix ....... 3
Safety Notices (Multi-lingual Translations) ..... 4
Safety Information . . . . . . . . . . . . . . . . 11
General Safety . . . . . . . . . . . . . . . . 11
Electrical Safety . . . . . . . . . . . . . . . . 12
Safety Inspection Guide ............ 13
Handling Electrostatic Discharge-Sensitive Devices 14
Grounding Requirements . . . . . . . . . . . . 15
Laser Compliance Statement ........... 16
ThinkPad i Series 1400 Hardware Maintenance
Manual (Part I) ................. 19
Read This First .................. 20
How to Use Error Messages .......... 20
How to Diagnose Mulitple FRUs ........ 20
What to Do First ................ 20
Screw Notices . . . . . . . . . . . . . . . . . 22
Power-On and Setup Password .......... 23
Check Procedures . . . . . . . . . . . . . . . . 24
Power Systems Check ............. 25
System Board Check ............. 27
Memory Check . . . . . . . . . . . . . . . . 27
Keyboard and External Input Device Check . . . 28
Audio Function Check ............. 29
TrackPoint IV Check .............. 29
Diskette Drive Check .............. 30
CD-ROM Drive Check ............. 30
Modem Board Check ............. 31
BIOS Utility . . . . . . . . . . . . . . . . . . . . 32
Navigating the BIOS Utility ........... 33
Power Management Features ........... 34
Screen Blanking Mode ............. 34
Standby Mode . . . . . . . . . . . . . . . . . 34
Hibernation Mode . . . . . . . . . . . . . . . 35
Symptom-to-FRU Index . . . . . . . . . . . . . . 36
Numeric Error Codes and Messages ...... 36
Beep Symptoms . . . . . . . . . . . . . . . . 38
No Beep Symptoms .............. 38
Keyboard/TrackPoint-Related Symptoms . . . . 40
LCD-Related Symptoms . . . . . . . . . . . . 40
Indicator-Related Symptoms . . . . . . . . . . 41
Power-Related Symptoms . . . . . . . . . . . 42
Memory-Related Symptoms . . . . . . . . . . 42
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