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BIOS PostCodes
ALR
AST
DTK
HP
IBM
NCR

Intel Motherboards:
T440BX
VC820

Award BIOS Beep Codes:

 

Beeps

Error Message

Description

1long, 2 short Video adapter error Either video adapter is bad or is not seated properly.  Also, check to ensure the monitor cable is connected properly.
Repeating (endless loop) Memory error Check for improperly seated or missing memory.
1long, 3short No video card or bad video RAM Reseat or replace the video card.
High frequency beeeps while running Overheated CPU Check the CPU fan for proper operation. Check the case for proper air flow.
Repeating High/Low CPU Either the CPU is not seated properly or the CPU is damaged. May also be due to excess heat. Check the CPU fan or BIOS settings for proper fan speed.

 

Award specifies these codes as the only valid beep codes.  If anyone knows of any others, please forward them to me for posting.  Thank you

 

Unkown Codes:

If you know what these codes mean, plese let me know. If you have an unknown code, please let me know so I can get it added here.

One beep, starting out low, then ending high. Submitted by Stu.

Continuous beeping, each lasting about three seconds. The beeping does not stop. Seems to be CPU related. Submitted by baders.

 

Submissions:

  • Cold boot only on my new board (Asus P4T-E, bios 1005) I experienced the normal 1 beep and then 5 seconds later, 3 short beeps and then my system went into sleep mode. Changing the Suspend Mode to off OR increasing the # of seconds to enter suspend from default cured the problem. Submitted by Steve Trembley.
  • Award BIOS 6.00PG/Asus P4T-E: 4 long beeps when turning on your system might indicate yout CPU fan is either damaged ot running to slow. Check your CPU fan. Clean or replace it with a new one.
    Submitted by Philipp Golemis
  • Award BIOS 4.51PG/Soyo SY-6BB: A repeating high/low beeping. This is due to excess heat alarm. Solution: Change the settings in the BIOS or add/replace CPU fan.
    Submitted by Michel Carlier (Belgium)
  • Award BIOS/Asus A7V133: Check "Fan Check Beeping" under the "Power Management" options in the BIOS.
    Submitted by Jonathan Gardner
  • Award BIOS 6.00/Abit KR7A-133: One low pitched tone for every 5 seconds, over and over. System boots fine, but will not reboot from a warm boot. The system will reboot from a cold boot though. Check the fan speed in the BIOS and change it to a higher speed.
    Submitted by Dave Lowe - NTL
  • Award BIOS 4.51PG/Gigabyte GA-BX2000: Five short beeps sound when the main BIOS is corrupted and the spare BIOS has to be loaded as only choice for successful boot. Submitted by Andy

 


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