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T-ComTech Computers​
Computer Repairs Carlisle & Laptop Repairs Carlisle
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AMI BIOS beep codes
Below are the AMI BIOS Beep codes that can occur. However, because of the wide variety of different computer manufacturers with this BIOS, the beep codes may vary.
Beep Code Descriptions
1 short DRAM refresh failure
2 short Parity circuit failure
3 short Base 64K RAM failure
4 short System timer failure
5 short Process failure
6 short Keyboard controller Gate A20 error
7 short Virtual mode exception error
8 short Display memory Read/Write test failure
9 short ROM BIOS checksum failure
10 short CMOS shutdown Read/Write error
11 short Cache Memory error
1 long, 3 short Conventional/Extended memory failure
1 long, 8 short Display/Retrace test failed
AWARD BIOS beep codes
Below are Award BIOS Beep codes that can occur. However, because of the wide variety of different computer manufacturers with this BIOS, the beep codes may vary.
Beep Code Description
1 long, 2 short Indicates a video error has occurred and the BIOS cannot initialize
the video screen to display any additional information
Any other beep(s) RAM problem.
If any other correctable hardware issues, the BIOS will display a message.
IBM BIOS beep codes
Below are general IBM BIOS Beep codes that can occur. However, because of the wide variety of models shipping with this BIOS, the beep codes may vary.
Beep Code Description
No Beeps No Power, Loose Card, or Short.
1 Short Beep Normal POST, computer is ok.
2 Short Beep POST error, review screen for error code.
Continuous Beep No Power, Loose Card, or Short.
Repeating Short Beep No Power, Loose Card, or Short.
One Long and one Short Beep Motherboard issue.
One Long and Two Short Beeps Video (Mono/CGA Display Circuitry) issue.
One Long and Three Short Beeps. Video (EGA) Display Circuitry.
Three Long Beeps Keyboard or Keyboard card error.
One Beep, Blank or Incorrect Display Video Display Circuitry.
Macintosh startup tones
Tones Error
Error Tone. (two sets of different tones) Problem with logic board or SCSI bus.
Startup tone, drive spins, no video Problem with video controller.
Powers on, no tone. Logic board problem.
High Tone, four higher tones. Problem with SIMM.
Post Error Bleep Codes
Beep Code Cause Corrective Action
1-2-2-3 BIOS checksum failure This fatal error usually requires that you replace the BIOS firmware.
1-3-1-1 Test RAM refresh No action required.
1-3-1-3 Test keyboard controller No action required.
1-3-3-1 Autosize DRAM No action required.
1-3-3-2 Call POST memory manager No action required.
1-3-4-1 RAM failure on address line xxxx Remove and reseat the memory modules, replace the memory modules. If the
problem still persists, the I/O board may be at fault.
1-3-4-3 RAM failure on data bits xxxx of low byte of memory bus Remove and reseat the memory modules.
If the problem persists, replace the memory modules. If the problem
still persists, the I/O board may be at fault.
1-4-1-1 RAM failure low byte of memory bus Remove and reseat the memory modules.
If the problem persists, replace the memory modules.
If the problem still persists, the I/O board may be at fault.
1-4-2-1 Test CMOS No action required.
2-2-3-1 Test for unexpected interrupts No action required.
3-2-1-1 Initialize hard-disk controller No action required.
1-2 Option ROM checksum failure Reinstall the expansion cards. If the problem persists, remove the
expansion Cards and reinstall them until the error reappears, then replace
the most recently installed card.
4-2-4-4 Gate A20 failure Faulty the I/O board. Refer to the Contact Dell Technical Support.
DELL Error beep codes