Appendix F Ami Bios Error Codes - Advantech PCA-6143P User Manual

Beeps Meaning
5 Processor error – The card's CPU has generated an error.
6 8042 Gate A20 failure – The keyboard controller (8042)
contains the Gate A20 switch which allows the CPU to operate
in protected mode. This error message means that the BIOS is
not able to switch the CPU into protected mode.
7 Processor exception interrupt error – The CPU has generated
an exception interrupt
8 Display memory read/write error – The system video adapter is
either missing or has faulty memory. Note: This is not a fatal
error.
9 ROM checksum error – The ROM checksum value does not
match the value encoded in the BIOS.
10 CMOS shutdown register read/write error – The shutdown
register for the CMOS memory has failed
Following are descriptions of the BIOS's non-fatal error messages:
The gate-A20 portion of the keyboard controller (8042) has failed
to operate correctly. Replace the 8042 chip or the keyboard.
Address line short
An error has occurred in the address decoding circuitry of the card.
Cache memory bad, do not enable cache!
The BIOS has found the cache memory on the board to be
defective.
CH-2 timer error
Your card has two timer chips. An error with timer no. 1 is a fatal
error, explained above.
C: drive error
The BIOS is not receiving any response from hard disk C:. Check
the type of hard disk selected in the Standard CMOS Setup of the
BIOS Setup Program to see if the correct hard You may need to
run the Hard Disk Utility to correct this problem.

Appendix F AMI BIOS error codes 75