BEEP CODES

AMI- 1 short

DRAM refresh failure

AMI- 2 short

Parity circuit failure

AMI- 3 short

Base 64 K RAM failure

AMI- 4 short

System timer failure

AMI- 5 short

Process failure

AMI- 6 short

Keyboard controller Gate A20 failure

AMI- 7 short

Virtual mode exception error

AMI- 8 short

Display memory Read/Write test failure

AMI- 9 short

ROM BIOS checksum failure

AMI- 10 short

How to replace the CMOS battery

AMI- 11 short

Cache memory error

AMI- 1 long, 3 short

Conventional/Extended memory failure

AMI- 1 long, 8 short

Display/Retrace test failed

AMI- Two-tone siren

Low CPU fan speed, voltage level issue

AWARD- 1 long, 2 short

Indicate a video error has occurred and the BIOS cannot initialize the video screen to display any additional information

AWARD- 1 long, 3 short

Video card not detected or bad video card

AWARD- beeps repeating endlessly

RAM problem

AWARD- Repeated high frequency beeps while PC is running

Overheating processor (CPU)

DELL- 1 beep

BIOS ROM corruption or failure

DELL- 2 beeps

Memory (RAM) not detected

DELL- 3 beeps

Motherboard failure

DELL- 4 beeps

Memory (RAM) failure

DELL- 5 beeps

CMOS battery failure

DELL- 6 beeps

Video card failure

DELL- 7 beeps

Bad processor (CPU)

IBM- no beeps

Why won’t my computer turn on?

IBM- 1 short beep

Normal POST, computer is ok

IBM- 2 short beep

POST error, review screen for error code

IBM- continuous beep

No power, loose card or short

IBM- repeating beep

No power, loose card or short

IBM- 1 long &1 short beep

Motherboard issue

IBM- 1 long & 2 short beep

Video (Mono/CGA display circuitry) issue

IBM- 1 long & 3 short beep

Video (EGA) display circuitry

IBM- 3 long beep

Keyboard or keyboard card error

IBM- 1 beep, blank or incorrect display

Video display circuity

PHOENIX- 3-1-1-1

Disable onboard I/O ports

PHOENIX- 4-2-1-1

Interrupt handler error

PHOENIX- 1-1-4-1

Initialize cache to initial POST values

PHOENIX- 4-3-1-4

Initialize refresh counter

PHOENIX- 2-2-2-1

Set key click if enabled