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SYSTEM STARTUP TONES

 

What is all that beep, beep, supposed to mean?
Last modified: 04/16/2003 05:50:54

This material is presented only as a description of how I go about working on a system. It is not meant to encourage unqualified personnel to attempt computer repair. In any event, you assume all responsibility and liability for injury or damage.

AMI BIOS Tone POST Codes -- Fatal Errors

TONE CONDITION
1 short DRAM refresh
2 short Parity circuit
3 short Base 64K RAM
4 short System timer
5 short Processor
6 short Keyboard controller gate A20
7 short Virtual mode exception
8 short Display memory read/write test
9 short ROM BIOS checksum
10 short CMOS shutdown read/write
11 short Cache memory

 

 

AMI BIOS Tone POST Codes -- Non-Fatal Errors

 

TONE CONDITION
1 long, 3 short Conventional/extended memory
1 long, 8 short Display/retrace test

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