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Tuesday, 9 August 2011

Do You know BIOS beep codes

AMI BIOS beep codesBelow 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 CodeDescriptions
1 shortDRAM refresh failure
2 shortParity circuit failure
3 shortBase 64K RAM failure
4 shortSystem timer failure
5 shortProcess failure
6 shortKeyboard controller Gate A20 error
7 shortVirtual mode exception error
8 shortDisplay memory Read/Write test failure
9 shortROM BIOS checksum failure
10 shortCMOS shutdown Read/Write error
11 shortCache Memory error
1 long, 3 shortConventional/Extended memory failure
1 long, 8 shortDisplay/Retrace test failed

IBM BIOS beep codesBelow 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 CodeDescription
No BeepsNo Power, Loose Card, or Short.
1 Short BeepNormal POST, computer is ok.
2 Short BeepPOST error, review screen for error code.
Continuous BeepNo Power, Loose Card, or Short.
Repeating Short BeepNo Power, Loose Card, or Short.
One Long and one Short BeepMotherboard issue.
One Long and Two Short BeepsVideo (Mono/CGA Display Circuitry) issue.
One Long and Three Short Beeps.Video (EGA) Display Circuitry.
Three Long BeepsKeyboard / Keyboard card error.
One Beep, Blank or Incorrect DisplayVideo Display Circuitry.

Macintosh startup tones
TonesError
Error Tone. (two sets of different tones)Problem with logic board or SCSI bus.
Startup tone, drive spins, no videoProblem with video controller.
Powers on, no tone.Logic board problem.
High Tone, four higher tones.Problem with SIMM.
Phoenix BIOS beep codes
Below are the beep codes for Phoenix BIOS Q3.07 OR 4.X
Beep CodeDescription / What to Check
1-1-1-3Verify Real Mode.
1-1-2-1Get CPU type.
1-1-2-3Initialize system hardware.
1-1-3-1 Initialize chipset registers with initial POST values.
1-1-3-2Set in POST flag.
1-1-3-3Initialize CPU registers.
1-1-4-1Initialize cache to initial POST values.
1-1-4-3 Initialize I/O.
1-2-1-1Initialize Power Management.
1-2-1-2Load alternate registers with initial POST values.
1-2-1-3Jump to UserPatch0.
1-2-2-1 Initialize keyboard controller.
1-2-2-3BIOS ROM checksum.
1-2-3-18254 timer initialization.
1-2-3-3 8237 DMA controller initialization.
1-2-4-1Reset Programmable Interrupt Controller.
1-3-1-1 Test DRAM refresh.
1-3-1-3Test 8742 Keyboard Controller.
1-3-2-1 Set ES segment to register to 4 GB.
1-3-3-1 28 Autosize DRAM.
1-3-3-3 Clear 512K base RAM.
1-3-4-1 Test 512 base address lines.
1-3-4-3 Test 512K base memory.
1-4-1-3Test CPU bus-clock frequency.
1-4-2-4Reinitialize the chipset.
1-4-3-1 Shadow system BIOS ROM.
1-4-3-2Reinitialize the cache.
1-4-3-3Autosize cache.
1-4-4-1Configure advanced chipset registers.
1-4-4-2 Load alternate registers with CMOS values.
2-1-1-1 Set Initial CPU speed.
2-1-1-3 Initialize interrupt vectors.
2-1-2-1 Initialize BIOS interrupts.
2-1-2-3Check ROM copyright notice.
2-1-2-4 Initialize manager for PCI Options ROMs.
2-1-3-1 Check video configuration against CMOS.
2-1-3-2 Initialize PCI bus and devices.
2-1-3-3 Initialize all video adapters in system.
2-1-4-1 Shadow video BIOS ROM.
2-1-4-3 Display copyright notice.
2-2-1-1Display CPU type and speed.
2-2-1-3Test keyboard.
2-2-2-1 Set key click if enabled.
2-2-2-356 Enable keyboard.
2-2-3-1Test for unexpected interrupts.
2-2-3-3 Display prompt Press F2 to enter SETUP.
2-2-4-1 Test RAM between 512 and 640k.
2-3-1-1Test expanded memory.
2-3-1-3Test extended memory address lines.
2-3-2-1 Jump to UserPatch1.
2-3-2-3Configure advanced cache registers.
2-3-3-1 Enable external and CPU caches.
2-3-3-3 Display external cache size.
2-3-4-1Display shadow message.
2-3-4-3 Display non-disposable segments.
2-4-1-1Display error messages.
2-4-1-3 Check for configuration errors.
2-4-2-1Test real-time clock.
2-4-2-3 Check for keyboard errors
2-4-4-1 Set up hardware interrupts vectors.
2-4-4-3Test coprocessor if present.
3-1-1-1Disable onboard I/O ports.
3-1-1-3 Detect and install external RS232 ports.
3-1-2-1 Detect and install external parallel ports.
3-1-2-3 Re-initialize onboard I/O ports.
3-1-3-1 Initialize BIOS Data Area.
3-1-3-3 Initialize Extended BIOS Data Area.
3-1-4-1 Initialize floppy controller.
3-2-1-1Initialize hard-disk controller.
3-2-1-2Initialize local-bus hard-disk controller.
3-2-1-3 Jump to UserPatch2.
3-2-2-1 Disable A20 address line.
3-2-2-3 Clear huge ES segment register.
3-2-3-1 Search for option ROMs.
3-2-3-3 Shadow option ROMs.
3-2-4-1 Set up Power Management.
3-2-4-3 Enable hardware interrupts.
3-3-1-1Set time of day.
3-3-1-3 Check key lock.
3-3-3-1 Erase F2 prompt.
3-3-3-3 Scan for F2 key stroke.
3-3-4-1 Enter SETUP.
3-3-4-3 Clear in-POST flag.
3-4-1-1Check for errors
3-4-1-3POST done--prepare to boot operating system.
3-4-2-1 One beep.
3-4-2-3 Check password (optional).
3-4-3-1 Clear global descriptor table.
3-4-4-1 Clear parity checkers.
3-4-4-3 Clear screen (optional).
3-4-4-4 Check virus and backup reminders.
4-1-1-1 Try to boot with INT 19.
4-2-1-1 Interrupt handler error.
4-2-1-3 Unknown interrupt error.
4-2-2-1 Pending interrupt error.
4-2-2-3 Initialize option ROM error.
4-2-3-1 Shutdown error.
4-2-3-3 Extended Block Move.
4-2-4-1 Shutdown 10 error.
4-3-1-3 Initialize the chipset.
4-3-1-4 Initialize refresh counter.
4-3-2-1 Check for Forced Flash.
4-3-2-2 Check HW status of ROM.
4-3-2-3 BIOS ROM is OK.
4-3-2-4 Do a complete RAM test.
4-3-3-1 Do OEM initialization.
4-3-3-2 Initialize interrupt controller.
4-3-3-3 Read in bootstrap code.
4-3-3-4 Initialize all vectors.
4-3-4-1 Boot the Flash program.
4-3-4-2 Initialize the boot device.
4-3-4-3 Boot code was read OK.























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