Updating the computer configuration ................... 83
Chapter 8. Installing external options ................. 87
Chapter 9. Troubleshooting . . . . . . . . . . . . . . . . . . . . . . 93
Troubleshooting procedure . . . . . . . . . . . . . . . . . . . . . . . . 93
Power-on self-test (POST) ........................ 96
POST error codes and messages .................... 97
POST error codes ............................ 97
POST beep codes ........................... 103
Device troubleshooting charts ..................... 104
IBM Diagnostic Programs ....................... 123
Recovering from a POST/BIOS update failure ............. 127
Installing files from option diskettes and CDs ............. 128
Replacing the battery .......................... 129
Appendix A. Computer records . . . . . . . . . . . . . . . . . . . 131
Appendix B. Computer features . . . . . . . . . . . . . . . . . . . 133
Appendix C. Product warranties and notices ........... 137
Warranty Statements . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
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