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POST Diagnostic Error Codes | Tech Info Home Page |


Contents
AMI, Award, Phoenix, IBM, Links

AMI

AMI Post Codes - More Info @ AMI Link 

 

AWARD

Award Post Codes - see the Phoenix Link.

Phoenix

POST codes listing @ Phoenix Link 

Beeps , Error Messages

1            Standard one short beep on boot
1-2        Search for Option ROM, 1 long 2 short beeps on checksum failure
1-2-2-3 BIOS ROM checksum
1-3-1-1 Test DRAM refresh
1-3-1-3 Test 8742 Keyboard Controller
1-3-4-1 RAM Failure on address 'xxxx'
1-3-4-3 RAM Failure of data bits xxxx of low byte of memory
1-4-1-1 RAM Failure of data bits xxxx of high byte of memory
2-1-2-3 Check ROM copyright notice
2-2-3-1 Test for unexpected interrrupts

 

The Original IBM PC POST codes

 

Post diagnostic errors ( many are IBM PC/XT only and could vary from one system to another)

 

Links

 

 


 

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