IBM 867413x - Eserver xSeries 330 8674, Hardware Maintenance Manual

Page: 19 / 192

Diagnostics
This section provides basic troubleshooting information to help you resolve some
common problems that might occur with the server/workstation.
Diagnostic tools overview
The following tools are available to help you identify and resolve hardware-related
problems:
v
POST beep codes, error messages, and error logs
The power-on self-test (POST) generates beep codes and messages to indicate
successful test completion or the detection of a problem. See “POST” on page 12
for more information.
v
Diagnostic programs and error messages
The server/workstation diagnostic programs are stored in upgradable read-only
memory (ROM) on the system board. These programs are the primary method
of testing the major components of your server/workstation. See “Diagnostic
programs and error messages” on page 15 for more information.
v
Light Path Diagnostic
The Light Path Diagnostic is used to quickly identify system errors.
© Copyright IBM Corp. 2001
11