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