IBM X23 - Manual (Page 3)

Contents
Chapter 1. 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
Safety notices: multilingual translations . . . . . . 3
Safety information. . . . . . . . . . . . 12
General safety . . . . . . . . . . . . 12
Electrical safety . . . . . . . . . . . 13
Safety inspection guide . . . . . . . . . 14
Handling electrostatic discharge-sensitive devices 15
Grounding requirements . . . . . . . . . 16
Laser compliance statement. . . . . . . . . 17
Laser radiation. . . . . . . . . . . . . 18
Chapter 2. General descriptions . . . . . . . 21
Read this first . . . . . . . . . . . . . 21
Related service information . . . . . . . . . 24
Service Web site . . . . . . . . . . . 24
Product recovery program . . . . . . . . 24
Using Recovery CD . . . . . . . . . . 25
Creating a Recovery Repair diskette . . . . . 26
Passwords . . . . . . . . . . . . . 26
Power management . . . . . . . . . . 28
Checkout guide . . . . . . . . . . . . 32
Testing the computer . . . . . . . . . . 34
Detecting system information with PC-Doctor. . . 35
Power system checkout . . . . . . . . . 38
Chapter 3. ThinkPad X20, X21, X22, X23, X24 . . . 39
Product overview . . . . . . . . . . . . 42
Specifications . . . . . . . . . . . . 42
Status indicators . . . . . . . . . . . 45
Fn key combinations . . . . . . . . . . 47
Symptom-to-FRU index . . . . . . . . . . 48
Numeric error codes . . . . . . . . . . 48
Error messages . . . . . . . . . . . 50
Beep symptoms . . . . . . . . . . . 51
LCD-related symptoms . . . . . . . . . 52
Intermittent problems . . . . . . . . . . 52
Undetermined problems . . . . . . . . . 53
FRU replacement notices . . . . . . . . . 54
Screw notices . . . . . . . . . . . . 54
Retaining serial numbers. . . . . . . . . 55
Removing and replacing a FRU. . . . . . . . 57
1010 Battery pack. . . . . . . . . . . 58
1020 DIMM . . . . . . . . . . . . 59
1030 Backup battery . . . . . . . . . . 60
1040 Hard disk drive . . . . . . . . . . 61
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