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© Copyright IBM Corp. 2000 55
Appendix D. Error codes
Complete lists of POST and beep error codes are provided in the PC300GL and PC
300PL User Guide and in the Hardware Maintenance Manual.
POST error codes
POST error messages appear when, during startup, POST finds problems with the
hardware or a change in the hardware configuration. POST error messages are 3-, 4-,
5-, 8-, or 12-character alphanumeric messages.
Beep codes
Beep codes are a series of tones in sets of two or three that sound when there are POST
errors. The beep pattern represents numeric values and provides further information
about the location of a potential problem.
The Hardware Maintenance Manual provides a complete list of beep codes.