Aaeon PCM-4330 Instructions Manual page 90

8 Beeps: Video adapter error
Replace the video adapter or video adapter display memory RAM.
9 Beeps: ROM-checksum error
The BIOS will probably have to be replaced.
Io Beeps: CMOS-RAM register error
The board must be replaced
11 Beeps: Cache error
Check the cache memory on the board.
if an error occurs during POST one or more of the following messages may appear
on the display:
The program stops, if the setup option Halt On Ewors is set to All ewors.
Alternatively, the program might prompt you to run the setup utility program to
correct settings. The following message would be displayed on-screen:
The following section describes error messages, provides explanations and suggests
work-arounds. Further POST messages and problem work-arounds can be found in
the reference documents.
The keyboard controller gate Azo does not work properly. Replace the keyboard
controller.
Address coding error.
Drive C: does not respond. Use the diagnostic utility program AM~Diag Hard Disk
Utility to test the drive and check that all hard disk drive parameters and hard disk
setup settings are correct.
Drive C: does not respond. Replace the hard disk drive.
The cache memory is corrupt. Run the AMIDiag diagnostic utility program.
Timer 2 error.