Post Error Code for IBM compatible PC's during BIOS check

Any # starting w/ 1 usually indicates system board problem
Main system board interrupt failure
System timer failed
System timer interrupt failed
System timer bus test
Direct Memory access test error
PS/2 system board error; parity check error
Systems options (CMOS); run setup; CMOS battery failure "Check Sum Error"
Systems options not set; run setup
Time and date not set; run setup
Memory size error; run setup
Any number starting w/ 2 usually indicates memory related-problems
Memory test failed
Memory address error
Memory address error
Any # starting w/ 3 indicates keyboard errors
Keyboard did not respond to to software reset
User-indicated error from the keyboard test or AT class machine keylock is active, unlock the keyboard
Keyboard or system error
Keyboard or system error; CMOS does not match system
Parallel prot test failed (monochrome adapter, generally at 03BC hex; however, ATI has CGA and EGA video cards with "piggyback" parallel and serial ports that are user selectable)
Color memory test failed, horizontal synchronization, frequency test, or vdeo test failed

Phoenix Technologies Ltd. - PC User Support
FAQs & Reference Documents

http://www.motherboards.org/ The Latest News, Reviews, Guides and Rankings for Motherboards and PC Hardware.

American Megatrends, Inc. beep errors when powering on your PC
Beep codes:Meaning:
1DRAM refresh failure
2Parity Circuit failure
3Base 64K RAM failure
4System Timer failure
5Processor failure
6Keyboard Controller Gate A20 error
7Virtual Mode Exception error
8Display Memory R/W Test failure
9ROM-BIOS Checksum failure
10CMOS shutdown register R/W failure
11Chache memory bad, do not enable chache

Newsgroups:

comp.sys.ibm.pc.hardware.chips
comp.sys.ibm.pc.hardware.misc
comp.sys.ibm.pc.hardware.storage

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