Beep Codes

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Bleeping Beeps!

The following is a list of BIOS beep codes listed by BIOS manufacturer and version number.

AMI BIOS

Example: 4 sounds like "beep beep beep beep"

1----------------------Memory Refresh Error

2----------------------Memory Parity Error

3----------------------Base 64KB Memory Error

4----------------------Timer Error

5----------------------Processor Error

6----------------------8042-Gate A20 Error

7----------------------Processor Exception Interrupt Error

8----------------------Display Memory Read/Write Error

9----------------------ROM Checksum Error

10---------------------CMOS Shutdown Register Read/Write Error

11---------------------Cache Memory Bad

1 Long then 3 Short----Conventional/Extended Memory Error

1 Long then 8 Short----Display/Retrace Error

AwardBIOS/Phoenix FirstBIOS

Example: 1 Long then 2 Short sounds like "beeeeeeeeeeeeeep beep beep"

1 Long then 2 Short----Video Card Error

1 Long then 3 Short----Video Card Error

Continuous Beeps-------Memory Error

PhoenixBIOS 5.x and Earlier

Example: 1-1-4 sounds like "beep (pause) beep (pause) beep beep beep beep"

1-2--------------------Video Card Error

1-3--------------------CMOS RAM Read/Write Error

1-1-4------------------ROM Checksum Error

1-2-1------------------Timer Error

1-2-2------------------DMA Initialization Error

1-2-3------------------DMA Page Register Read/Write Error

1-3-1------------------RAM Refresh Verification Error

1-3-3------------------First 64KB RAM Multibit Data Line Error

1-3-4------------------First 64KB RAM Odd/Even Logic Error

1-4-1------------------First 64KB RAM Address Line Error

1-4-2------------------First 64KB RAM Parity Error

2-x-x------------------First 64KB RAM Error

3-1-1------------------Slave DMA Registry Error

3-1-2------------------Master DMA Registry Error

3-1-3------------------Master Interrupt Mask Registration Error

3-1-4------------------Slave Interrupt Mask Registration Error

3-2-4------------------Keyboard Controller Error

3-3-4------------------Screen Initialization Error

3-4-1------------------Screen Retrace Error

3-4-2------------------Video ROM Error

4-2-1------------------Timer Interrupt Error

4-2-2------------------Shutdown Error

4-2-3------------------Gate A20 Error

4-2-4------------------Unexpected Interrupt In Protected Mode

4-3-1------------------RAM Address Error >FFFh

4-3-3------------------Interval Timer Channel 2 Error

4-3-4------------------Real Time Clock Error

4-4-1------------------Serial Port Error

4-4-2------------------Parallel Port Error

4-4-3------------------Math Coprocessor Error

Low 1-1-2--------------System Board Select Error

Low 1-1-3--------------Extended CMOS Ram Error

PhoenixBIOS 6.x and Later

Example: 1-3-1-1 sounds like "beep (pause) beep beep beep (pause) beep (pause) beep"

1-2-2-3----------------BIOS ROM Checksum Error

1-3-1-1----------------DRAM Refresh Error

1-3-1-3----------------8742 Keyboard Controller Error

1-3-4-1----------------Memory Address Line Error

1-3-4-3----------------Memory Low Byte Data Error

1-4-1-1----------------Memory High Byte Data Error

2-1-2-3----------------ROM Copyright Error

2-2-3-1----------------Unexpected Interrupts

1-2--------------------Video Card Error

IBM

Example: 1 Long then 2 Short sounds like "beeeeeeeeeeeeeep beep beep"

1 Short----------------Normal POST, System OK

2 Short----------------Post Error, view code on screen

No beep----------------Power Supply, Motherboard

Continuous Beep--------Power Supply, Motherboard

Repeating Short--------Power Supply, Motherboard

1 Long then 1 Short----Motherboard

1 Long then 2 Short----Video Card

1 Long then 3 Short----Video Card

3 Long-----------------3270 Keyboard Card

Compaq

1 short----------------No Error

1 long, 1 short--------BIOS ROM checksum error

2 short----------------General error

1 long, 2 short--------Video error

7 beeps (l s l s - l s l)---AGP video

continuous beep--------Memory error

1 short, 2 long--------Bad RAM