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Welcome to BIOSMAN Inc! -BIOS Beep Codes

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BIOS BEEP codes
AMI

Beeps
Description
1
Memory refresh timer error
2
Parity error
3
Main memory read / write test error
4
Motherboard timer not operational
5
Processor error
6
Keyboard controller BAT test error
7
General exception error
8
Display memory error
9
ROM checksum error
10
CMOS shutdown register read/write error
11
Cache memory bad

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NOTE: Most beep codes are caused by memory problems. Reseat or replace the memory. Video cards ar also a popular culprit.

BIOS BEEP codes
AWARD

The only AwardBIOS beep code indicates that a video error has occurred and the BIOS cannot initialize the video screen to display any additional information. This beep code consists of a single long beep followed by two short beeps. Any other beeps are probably memory problems.

Award BIOS outputs some screen errors. View them here: Award BIOS Screen errors.

For diagnosing an Award BIOS problem, beep codes are not that useful. POST codes are. You will need a POST card to detect these codes. When you purchase a POST card from BIOSMAN, you will also receive a manual of all the POST codes for AMI, Award and Phoenix BIOS.

Visit PowerOnSelfTest for more information on POST codes.

Diagnostic Tools
P.O.S.T Cards

bios post code display Also known as a port 80 & 84 debug card. It outputs all the POST codes for AMI, Award and Phoenix BIOS's. It also comes with a manual which lists all the POST codes from each BIOS company.This is the required troubleshooting tool for anyone who works on PC's.Card has 4 LED's showing:( +5v,-12v,+12v, CLK ) (POST stands for Power On Self Test). For More information on this topic click here: POST Codes

More information our P.O.S.T Cards.......

BIOS BEEP codes
Phoenix

Beeps

Description

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 line xxxx*
1-3-4-3 RAM failure on data bits xxxx* of low

byte of memory bus

1-4-1-1 RAM failure on data bits xxxx* of

high byte of memorybus

2-1-2-3 Check ROM copyright notice
2-2-3-1 Test for unexpected interrupts
1-2 Search for option ROMs. One long, two short beeps on

checksum failure

1 One short beep before boot

FYI - POST Codes

POST Codes are hexadecimal codes generated by the BIOS during the Power On Self Test (POST)  These codes can be viewed with a "POST card" which displays them using a two digit alphanumeric display.  

Visit PowerOnSelfTest for more information on POST codes.