Lenovo J SERIES 3000 - Manual (Page 6)

Rear connectors . . . . . . . . . . . . . . 93
Removing the cover . . . . . . . . . . . . 94
Locations. . . . . . . . . . . . . . . . . 94
Identifying parts on the system board. . . . . . 95
Machine Types 7390, 7391, and 7392 . . . . 96
Machine Types 7396, 7397, and 7398 . . . . 97
Removing and replacing the drive bay assembly . 97
Replacing a memory module . . . . . . . . . 98
Replacing a PCI adapter . . . . . . . . . . . 99
Replacing the CMOS battery . . . . . . . . . 100
Replacing the power supply . . . . . . . . . 101
Replacing the system board (Types 7396, 7397,
and 7398)
. . . . . . . . . . . . . . . . 102
Replacing the system board (Types 7390, 7391,
and 7392)
. . . . . . . . . . . . . . . . 105
Replacing the microprocessor (Types 7396, 7397,
and 7398)
. . . . . . . . . . . . . . . . 108
Replacing the microprocessor (Types 7390, 7391,
and 7392)
. . . . . . . . . . . . . . . . 111
Replacing the hard disk drive . . . . . . . . . 114
Replacing an optical drive . . . . . . . . . . 115
Replacing the diskette drive . . . . . . . . . 116
Replacing the power switch/ LED assembly . . . 116
Replacing the front panel card . . . . . . . . 117
Completing the FRU replacement . . . . . . . 117
Chapter 10. FRU lists . . . . . . . . 119
Machine Type 7387 . . . . . . . . . . . . . 119
Machine Type 7388 . . . . . . . . . . . . . 127
Machine Type 7389 . . . . . . . . . . . . . 132
Machine Type 7390 . . . . . . . . . . . . . 136
Machine Type 7392 . . . . . . . . . . . . . 140
Machine Type 7393 . . . . . . . . . . . . . 144
Machine Type 7394 . . . . . . . . . . . . . 153
Machine Type 7395 . . . . . . . . . . . . . 157
Machine Type 7396 . . . . . . . . . . . . . 168
Machine Type 7397 . . . . . . . . . . . . . 176
Machine Type 7398 . . . . . . . . . . . . . 181
Chapter 11. Additional Service
Information . . . . . . . . . . . . .
185
Security features . . . . . . . . . . . . . . 185
Hardware controlled Passwords . . . . . . 185
Operating system password . . . . . . . 185
Vital product data. . . . . . . . . . . . 185
BIOS levels . . . . . . . . . . . . . . . . 185
Flash update procedures . . . . . . . . . . 185
Updating (flashing) BIOS from a diskette. . . 186
Recovering from a POST/BIOS update failure . . 186
Power management . . . . . . . . . . . . 186
Automatic configuration and power interface
(ACPI) BIOS . . . . . . . . . . . . . .
186
Automatic Power-On features . . . . . . . 186
Recovering software . . . . . . . . . . . . 187
Appendix A. Notices . . . . . . . . 189
Television output notice . . . . . . . . . . . 190
Trademarks . . . . . . . . . . . . . . . . 190
Index. . . . . . . . . . . . . . . . . 191
vi Hardware Maintenance Manual Lenovo 3000 J Series