Model N51 (8551)
General Checkout . . . . . . . . . . . . . . . . . 74
Memory Checkout . . . . . . . . . . . . . . . 77
Power Systems Checkout ........... 78
Symptom-to-FRU Index . . . . . . . . . . . . . . 87
Numeric Error Codes .............. 87
Beep Symptoms . . . . . . . . . . . . . . . . 91
Miscellaneous Symptoms . . . . . . . . . . . 91
Undetermined Problem . . . . . . . . . . . . . 94
Related Service Procedures ............ 95
Checking Installed Devices ........... 95
Power-on Password . . . . . . . . . . . . . . 96
How to Run the Advanced Diagnostics ..... 96
Hard Disk Partition ............... 96
Restoring the Partition ............. 97
Setting System Configuration .......... 97
Product Overview (N51 SX) ............ 98
Product Overview (N51 SLC) ........... 98
FRU Removals and Replacements ......... 99
Locations . . . . . . . . . . . . . . . . . . . . 103
Parts Listing . . . . . . . . . . . . . . . . . . 105
Copyright IBM Corp. 1995 73