Compaq AP500 manual 6Diagnostic Tools, Message Beeps Probable Cause Recommended Action

4-6Diagnostic Tools

POST Messages Continued

Message	Beeps*		Probable Cause	Recommended Action
1793-Secondary Controller	None	An error has been detected		Run Computer Setup.
or Disk Failure		with the CD-ROM interface.
A Critical Error Occurred	None	Critical failure (POST) recorded		None
Before this Power-Up.		into the wellness log.
Fixed Disk Parameter Table	3L	Configuration or hardware		Run Computer Setup.
or BIOS Error System Halted		failure
XX000Y ZZ Parity Check 2	None	Parity RAM failure		Run Computer Setup.
Audible (beep)	None	Power-on successful		None
Invalid Electronic	None	Electronic serial number has		Run Computer Setup.
Serial Number		become corrupted.
Audible	2S	Power-on successful		None
(RESUME = F1 KEY)	None	As indicated to continue		Press F1.
* L = Long, S = Short