IBM 755X (9545) User Manual
ThinkPad 700, 700C, 720, 720C
(9552)
(9552)
General Checkout . . . . . . . . . . . . . . . . .
68
Memory Checkout . . . . . . . . . . . . . . .
70
Power Systems Checkout
. . . . . . . . . . . 71
Power Management Features
. . . . . . . . . 81
Symptom-to-FRU Index . . . . . . . . . . . . . .
82
Numeric Error Codes
. . . . . . . . . . . . . . 82
Beep Symptoms . . . . . . . . . . . . . . . .
88
Miscellaneous Symptoms
. . . . . . . . . . .
89
Undetermined Problem . . . . . . . . . . . . .
93
Related Service Procedures
. . . . . . . . . . . . 94
System Status Indicators
. . . . . . . . . . . . 94
Check Point (CP) Codes
. . . . . . . . . . . . 96
System Error Log
. . . . . . . . . . . . . . . 96
Checking the Installed Devices List
. . . . . . . 97
Power-On Password (700, 700C)
. . . . . . . . 97
Power-On Password (720, 720C)
. . . . . . . . 97
Privileged-Access Password (PAP)
. . . . . . . 97
Set Startup Sequence
. . . . . . . . . . . . . 98
Restore System Partition
. . . . . . . . . . . . 98
Hard Disk Low Level Format
. . . . . . . . . . 99
Replacing the Hard Disk Drive
. . . . . . . . . 99
System Diskettes (Reference and Diagnostic)
.
100
Making a System Partition Backup Copy
. . .
101
Japanese Model Diskette Drive and Diskette
.
102
173 and 11350 Error Combination
. . . . . .
102
PCMCIA Card Removal Tip
. . . . . . . . .
102
Product Overview . . . . . . . . . . . . . . . .
102
FRU Removals and Replacements
. . . . . . . .
104
Locations . . . . . . . . . . . . . . . . . . . .
110
Front View
. . . . . . . . . . . . . . . . .
110
System Board (700)
. . . . . . . . . . . . .
111
System Board (720, 720C)
. . . . . . . . . .
112
Video Card
. . . . . . . . . . . . . . . . .
113
Keyboard Control Card
. . . . . . . . . . . .
113
Voltage Converter . . . . . . . . . . . . . .
114
Parts Listing (700)
. . . . . . . . . . . . . . .
115
Parts Listing (720, 720C)
. . . . . . . . . . . .
118
FRU Service Procedures
. . . . . . . . . . .
124
Copyright IBM Corp. 1995
67