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