53
A Error Messages
BIOS Beep Codes
One long beep followed by several short beeps indicates a video problem.
Table 36. Beep Codes
Beeps 80h Code Description
1 B4h One short beep before boot
1-2 98h Search for option ROMs
1-2-2-3 16h BIOS ROM checksum
1-3-1-1 20h Test DRAM refresh
1-3-1-3 22h Test keyboard controller
1-3-4-1 2Ch RAM failure on address line
xxxx
*
1-3-4-3 2Eh RAM failure on data bits
xxxx
* of low byte of memory bus
1-4-1-1 30h RAM failure on data bits
xxxx
* of high byte of memory bus
2-1-2-3 46h Check ROM copyright notice
2-2-3-1 58h Test for unexpected interrupts
BIOS Error Messages
Table 37. BIOS Error Messages
Error Message Explanation
Diskette drive A error or
Diskette drive B error
Drive A: or B: is present but fails the POST diskette tests. Check that the
drive is defined with the proper diskette type in Setup and that the
diskette drive is installed correctly.
Extended RAM Failed at offset:
nnnn
Extended memory not working or not configured properly at offset
nnnn
.
Failing Bits:
nnnn
The hex number nnnn is a map of the bits at the RAM address (System,
Extended, or Shadow memory) that failed the memory test. Each 1 in the
map indicates a failed bit.
Fixed Disk 0 Failure or
Fixed Disk 1 Failure or
Fixed Disk Controller Failure
Fixed disk is not working or not configured properly. Check to see if fixed
disk is installed properly. Run Setup be sure the fixed-disk type is
correctly identified.
Incorrect Drive A type - run
SETUP
Type of floppy drive for drive A: not correctly identified in Setup.
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