IBM 1412 - Manual (Page 3)

Contents
ThinkPad i Series 1400 Hardware Maintenance
Manual . . . . . . . . . . . . . . . . . . . . . 1
Read This First . . . . . . . . . . . . . . . . . . 1
How to Use Error Messages . . . . . . . . . . 1
How to Diagnose Multiple FRUs . . . . . . . . 1
What to Do First . . . . . . . . . . . . . . . . 2
Screw Notices . . . . . . . . . . . . . . . . . 3
Power-On and Setup Password . . . . . . . . . . 4
Check Procedures . . . . . . . . . . . . . . . . 5
Power Systems Check . . . . . . . . . . . . . 6
Planar Board Check . . . . . . . . . . . . . . 8
Memory Check . . . . . . . . . . . . . . . . 8
Keyboard and External Input Device Check . . . 9
Audio Function Check . . . . . . . . . . . . . 10
TrackPoint IV Check . . . . . . . . . . . . . . 10
Diskette Drive Check . . . . . . . . . . . . . . 11
CD-ROM/DVD-ROM Drive Check . . . . . . . . 11
Modem Board Check . . . . . . . . . . . . . 12
BIOS Utility . . . . . . . . . . . . . . . . . . . . 13
Navigating the BIOS Utility . . . . . . . . . . . 14
Power Management Features . . . . . . . . . . . 15
Screen Blanking Mode . . . . . . . . . . . . . 15
Standby Mode . . . . . . . . . . . . . . . . . 15
Hibernation Mode . . . . . . . . . . . . . . . 16
Symptom-to-FRU Index . . . . . . . . . . . . . . 17
Numeric Error Codes and Messages . . . . . . 17
Beep Symptoms . . . . . . . . . . . . . . . . 19
No Beep Symptoms . . . . . . . . . . . . . . 19
Keyboard/TrackPoint-Related Symptoms . . . . 20
LCD-Related Symptoms . . . . . . . . . . . . 20
Indicator-Related Symptoms . . . . . . . . . . 22
Power-Related Symptoms . . . . . . . . . . . 22
Memory-Related Symptoms . . . . . . . . . . 22
Audio-Related Symptoms . . . . . . . . . . . 23
PC Card (PCMCIA)-Related Symptoms . . . . . 23
Power Management-Related Symptoms . . . . . 23
Peripheral-Device-Related Symptom . . . . . . 24
Modem-Related Symptoms . . . . . . . . . . . 25
Intermittent Problems . . . . . . . . . . . . . 25
Undetermined Problems . . . . . . . . . . . . 25
Related Service Procedures . . . . . . . . . . . . 27
Flash Memory Update . . . . . . . . . . . . . 27
Status Indicators . . . . . . . . . . . . . . . . 27
Power Switch . . . . . . . . . . . . . . . . . 29
Diagnostic Program Diskette . . . . . . . . . . 29
Maintenance Program Diskette . . . . . . . . . 30
Fn Key Combinations . . . . . . . . . . . . . 32
Product Overview . . . . . . . . . . . . . . . . . 33
FRU Removals and Replacements . . . . . . . . . 34
Before FRU Removals and Replacements . . . . 35
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