AMI
1 beep
Everything is normal
2 beeps
CMOS error
1-3-1
bad memory
0250
CMOS battery dead
1 short, 1 long
bad memory
2 beeps
parity error bad memory
1 long, 2 short
bad video
1-2-2
DMA fail - bad mobo
0B75
system voltage out of range
2 short, 1 long
bad video
7 beeps
processor exception error bad CPU
1 long, 1 short
RAM error
3-3-1
bad CMOS battery
0B7C
system fan error
3 short, 1 long
CPU configuration error
10 beeps
CMOS shut down - bad mobo
repeated high and low frequency tone
CPU bad or overheating
3-4-1
bad video card
0230
system RAM failure
2 short
floppy or CD drive not detected
8 beeps
display memory read failure - bad video card
repeated short beeps
bad power
9-2-1
Incompatible video card
02B0
"A" drive error
4 short beeps
CMOS flash fail