American Megatrends 28 series, User Manual

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Chapter 5 AMI BIOS POST
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Beep Code Error message Description
Read/Write Error failed.
11 beeps Cache Memory Bad Replace cache memory chips.
AMI BIOS Displayed Error Messages
Errors are displayed in the following format:
ERROR Message Line 1
ERROR Message Line 2
Press <F1> to RESUME
followed by
Press the <F1> key to continue
The system does not halt if Wait for <F1> If Any Error in
Advanced CMOS Setup is Disabled. If a second message
appears, it is:
RUN SETUP UTILITY.
If this message occurs, press <F1> to run BIOS Setup.
Error Message
Explanation
8042 Gate-A20 Error Gate A20 on the keyboard controller (8042) is not working.
Replace the 8042.
Address Line Short! An error occurred in the address decoding circuitry on the Base
Board.
C: Drive Error The BIOS is not receiving a response from drive C:. The drive may
be missing. If the drive is present, run the Hard Disk Utility to
correct this problem. Also, check the C: hard disk type in Standard
CMOS Setup to make sure that the hard disk drive type is correct.
C: Drive Failure Hard disk drive C: does not respond. Replace the drive.
Cache Memory Bad, Do Not
Enable Cache! Cache memory on the CPU Card is defective. Cache memory may
have to be replaced.
CH-2 Timer Error Most AT motherboards include two timers. There is an error in
timer 2.
CMOS Battery State Low CMOS RAM is powered by a battery. The battery power is low.