IBM MT 2369, Maintenance Manual

Page: 3 / 142

Contents
About this manual . . . . . . . . . . . 1
Introduction . . . . . . . . . . . . . 3
Important service information . . . . . . . . . 3
Strategy for replacing FRUs . . . . . . . . . 3
Strategy for replacing a hard disk drive . . . . . 4
How to use error messages . . . . . . . . 4
Strategy for replacing FRUs for CTO, CMV, and GAV 4
Product definition . . . . . . . . . . . 4
FRU identification for CTO, CMV, and GAV products 5
Important information about replacing RoHS compliant
FRUs . . . . . . . . . . . . . . . 7
Diskette compatibility matrix . . . . . . . . . 8
Safety notices: multilingual translations . . . . . . 8
Safety information . . . . . . . . . . . . 20
General safety . . . . . . . . . . . . 20
Electrical safety . . . . . . . . . . . 21
Safety inspection guide . . . . . . . . . 23
Handling devices that are sensitive to electrostatic
discharge . . . . . . . . . . . . 24
Grounding requirements . . . . . . . . . 25
Laser compliance statement . . . . . . . . . 26
General descriptions . . . . . . . . . . 29
Read this first . . . . . . . . . . . . . 29
What to do first . . . . . . . . . . . 29
Related service information . . . . . . . . . 31
Service web site . . . . . . . . . . . 31
Restoring the preloaded system . . . . . . 31
Recovering the hard disk to original contents . . . 34
Passwords . . . . . . . . . . . . . 37
Power management . . . . . . . . . . 39
Checkout guide . . . . . . . . . . . . 42
Testing the computer . . . . . . . . . . 42
Detecting system information with PC-Doctor . . . 45
Power system checkout . . . . . . . . . 46
ThinkPad X40 . . . . . . . . . . . . . 49
Product overview . . . . . . . . . . . . 51
Specifications . . . . . . . . . . . . 51
Status indicators for X40 . . . . . . . . . 53
FRU tests . . . . . . . . . . . . . 55
Fn key combinations . . . . . . . . . . 57
Symptom-to-FRU index . . . . . . . . . . 59
Numeric error codes . . . . . . . . . . 59
Error messages . . . . . . . . . . . 66
Beep symptoms . . . . . . . . . . . 68
No-beep symptoms . . . . . . . . . . 68
LCD-related symptoms . . . . . . . . . 69
Intermittent problems . . . . . . . . . . 70
© Copyright IBM Corp. 2005
iii