Replacing the system board (Types 7390, 7391, and
7392) . . . . . . . . . . . . . . . . 129
Replacing the microprocessor (Types 7396, 7397,
and 7398) . . . . . . . . . . . . . . . 132
Replacing the microprocessor (Types 7390, 7391,
and 7392) . . . . . . . . . . . . . . . 136
Replacing the hard disk drive . . . . . . . . 140
Replacing an optical drive . . . . . . . . . 141
Replacing the diskette drive . . . . . . . . 142
Replacing the power switch/ LED assembly . . . 143
Replacing the front panel card . . . . . . . . 144
Completing the FRU replacement . . . . . . 144
Chapter 10. FRU lists . . . . . . . . 147
Machine Type 7387 . . . . . . . . . . . 148
Machine Type 7388 . . . . . . . . . . . 156
Machine Type 7389 . . . . . . . . . . . 162
Machine Type 7390 . . . . . . . . . . . 166
Machine Type 7392 . . . . . . . . . . . 170
Machine Type 7393 . . . . . . . . . . . 174
Machine Type 7394 . . . . . . . . . . . 183
Machine Type 7395 . . . . . . . . . . . 188
Machine Type 7396 . . . . . . . . . . . 193
Machine Type 7397 . . . . . . . . . . . 201
Machine Type 7398 . . . . . . . . . . . 206
Chapter 11. Additional Service
Information . . . . . . . . . . . . 209
Security features . . . . . . . . . . . . 209
Hardware controlled Passwords . . . . . . 209
Operating system password . . . . . . . 209
Vital product data . . . . . . . . . . . 209
BIOS levels . . . . . . . . . . . . . . 209
Flash update procedures . . . . . . . . . . 209
Updating (flashing) BIOS from a diskette . . . 210
Recovering from a POST/BIOS update failure . . 210
Power management . . . . . . . . . . .211
Automatic configuration and power interface
(ACPI) BIOS . . . . . . . . . . . . .211
Automatic Power-On features . . . . . . .211
Recovering software . . . . . . . . . . . 212
Appendix. Notices . . . . . . . . . 213
Television output notice . . . . . . . . . . 214
Trademarks . . . . . . . . . . . . . . 214
iv Lenovo 3000 J Series
