Compaq AP500 - Manual (Page 82)

4-6 Diagnostic Tools
POST Messages Continued
Message Beeps* Probable Cause Recommended Action
1793-Secondary Controller
or Disk Failure
None An error has been detected
with the CD-ROM interface.
Run Computer Setup.
A Critical Error Occurred
Before this Power-Up.
None Critical failure (POST) recorded
into the wellness log.
None
Fixed Disk Parameter Table
or BIOS Error System Halted
3L Configuration or hardware
failure
Run Computer Setup.
XX000Y ZZ Parity Check 2 None Parity RAM failure Run Computer Setup.
Audible (beep) None Power-on successful None
Invalid Electronic
Serial Number
None Electronic serial number has
become corrupted.
Run Computer Setup.
Audible 2S Power-on successful None
(RESUME = F1 KEY) None As indicated to continue Press F1.
* L = Long, S = Short