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 BIOS Beep Codes

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loeffy
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PostSubject: BIOS Beep Codes   Sun Oct 19, 2008 2:41 pm

BIOS Beep Codes

Quote :
Some number of short beeps that are sounded by the BIOS upon startup when a memory, cache or processor error is encountered. There are numerous beep code patterns, and Phoenix BIOS codes are long and short beeps delivered in groups.

AMI BIOS Beep Codes:

1 Short = DRAM refresh failure
Quote :
The programmable interrupt timer or programmable interrupt controller has probably failed

2 short = Memory parity error
Quote :
A memory parity error has occurred in the first 64K of RAM. The RAM IC is probably bad

3 short = Base 64K memory failure
Quote :
A memory failure has occurred in the first 64K of RAM. The RAM IC is probably bad

4 short = System timer failure
Quote :
The system clock/timer IC has failed or there is a memory error in the first bank of memory

5 short = Processor error
Quote :
The system CPU has failed

6 short = Gate A20 failure
Quote :
The keyboard controller IC has failed, which is not allowing Gate A20 to switch the processor to protected mode. Replace the keyboard controller

7 short = Virtual mode processor exception error
Quote :
The CPU has generated an exception error because of a fault in the CPU or motherboard circuitry

8 short = Display memory read/write error
Quote :
The system video adapter is missing or defective

9 short = ROM checksum error
Quote :
The contents of the system BIOS ROM does not match the expected checksum value. The BIOS ROM is probably defective and should be replaced

10 short = CMOS shutdown register read/write error
Quote :
The shutdown for the CMOS has failed

11 short = Cache error
Quote :
The L2 cache is faulty

1 long, 2 short = Failure in video system
Quote :
An error was encountered in the video BIOS ROM, or a horizontal retrace failure has been encountered

1 long, 3 short = Memory test failure
Quote :
A fault has been detected in memory above 64KB

1 long, 8 short = Display test failure
Quote :
The video adapter is either missing or defective

2 short = POST Failure
Quote :
One of the hardware testa have failed
.

1 long = POST has passed all tests

Source:
http://bioscentral.com/beepcodes/amibeep.htm

Another BIOS Manufactures:
AST BIOS:
http://www.bioscentral.com/beepcodes/astbeep.htm

Award BIOS:
http://bioscentral.com/beepcodes/awardbeep.htm

Compaq BIOS:
http://bioscentral.com/beepcodes/compaqbeep.htm

IBM BIOS:
http://bioscentral.com/beepcodes/ibmbeep.htm

Mylex BIOS:
http://bioscentral.com/beepcodes/mylexbeep.htm

Phoenix ISA/MCA/EISA BIOS:
http://bioscentral.com/beepcodes/phoenixbeep.htm

Quadtel BIOS:
http://bioscentral.com/beepcodes/quadtelbeep.htm




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