AMI BIOS
|
# of Beeps
|
Error
|
Description
|
|
1
|
Refresh Failure
|
The memory refresh Circuitry is faulty
|
|
2
|
Parity Error
|
Parity error in the Base (1st 64K) of memory
|
|
3
|
64K Base Memory Error
|
Memory error in the base memory (1st 64K)
|
|
4
|
Timer Not Operational
|
Timer 1 is not functioning (also caused by error in base memory)
|
|
5
|
Processor Error
|
CPU error
|
|
6
|
8042 Gate A20 Failure
|
Unable to switch to protected mode
|
|
7
|
Processor Exception Interrupt error
|
The CPU on the CPU card generated an interrupt error
|
|
8
|
Display Memory Read/Write Error
|
Video adapter is missing, incorrectly seated or has faulty memory
|
|
9
|
ROM checksum error
|
The ROM checksum does not match that of the BIOS
|
|
10
|
Coms Shutdown Register Read/Write
|
The shutdown register for coms RAM has failed
|
|
11
|
Cache Memory Bad
|
The cache memory test has failed. Cache memory will be disabled. ***
DO NOT enable it ***
|
Award BIOS
|
Beep Code
|
Error
|
|
1 Long 2 Short
|
Video Card Error – Either re-seat or replace video card
|
|
Repeating beeps
|
Memory Error – Memory is either damaged or badly seated
|
|
Repeating Hi/Low Beeps
|
Damaged or Overheating CPU
|
|
Hi Frequency Beeps
|
Overheating CPU
|
IBM BIOS
The IBM BIOS works with Short and Long beeps as well as the Award BIOS.
However the IBM one does still have codes to work from.
|
Beep Code
|
Error
|
|
1 Short Beep
|
Normal POST, System booted OK
|
|
2 Short Beeps
|
POST Error – Code on Display
|
|
No Beep
|
Power supply or Motherboard error
|
|
Continuous Beep
|
Power supply or Motherboard error
|
|
Repeating short beeps
|
Power supply or Motherboard error
|
|
1 short, 1 long beep
|
System board error
|
|
1 long, 2 short beeps
|
Display adapter error (MDA/CGA)
|
|
1 long, 3 short beeps
|
Display adapter error (EGA/VGA)
|
|
3 long beeps
|
3270 keyboard card
|
