Tom's Hardware > Forum > Motherboards & Memory > Chipsets & Bios > POST Codes for AMI and Phoenix BIOS

POST Codes for AMI and Phoenix BIOS

Forum Motherboards & Memory : Chipsets & Bios - POST Codes for AMI and Phoenix BIOS

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Just some info I think will be useful to those trying to figure their problems out.

Standard Original IBM POST Error Codes

  • 1 short beep: Normal POST - system is ok
  • 2 short beeps: POST Error - error code shown on screen
  • No beep: Power supply or system board problem
  • Continuous beep: Power supply, system board, or keyboard problem
  • Repeating short beeps: Power supply or system board problem
  • 1 long, 1 short beep: System board problem
  • 1 long, 2 short beeps: Display adapter problem (MDA, CGA)
  • 1 long, 3 short beeps: Enhanced Graphics Adapter (EGA)
  • 3 long beeps: 3270 keyboard card


IBM POST Diagnostic Code Descriptions

  • 100 - 199: System Board
  • 200 - 299: Memory
  • 300 - 399: Keyboard
  • 400 - 499: Monochrome Display
  • 500 - 599: Color/Graphics Display
  • 600 - 699: Floppy-disk drive and/or Adapter
  • 700 - 799: Math Coprocessor
  • 900 - 999: Parallel Printer Port
  • 1000 - 1099: Alternate Printer Adapter
  • 1100 - 1299: Asynchronous Communication Device, Adapter, or Port
  • 1300 - 1399: Game Port
  • 1400 - 1499: Color/Graphics Printer
  • 1500 - 1599: Synchronous Communication Device, Adapter, or Port
  • 1700 - 1799: Hard Drive and/or Adapter
  • 1800 - 1899: Expansion Unit (XT)
  • 2000 - 2199: Bisynchronous Communication Adapter
  • 2400 - 2599: EGA system-board Video (MCA)
  • 3000 - 3199: LAN Adapter
  • 4800 - 4999: Internal Modem
  • 7000 - 7099: Phoenix BIOS Chips
  • 7300 - 7399: 3.5" Disk Drive
  • 8900 - 8999: MIDI Adapter
  • 11200 - 11299: SCSI Adapter
  • 21000 - 21099: SCSI Fixed Disk and Controller
  • 21500 - 21599: SCSI CD-ROM System


AMI BIOS Beep Codes

  • 1 Short Beep: Everything's normal
  • 2 Short Beeps: Memory
  • 3 Short Beeps: Memory
  • 4 Short Beeps: Memory/Timer
  • 5 Short Beeps: General Motherboard failure
  • 6 Short Beeps: Keyboard Chip (A20 Gate)
  • 7 Short Beeps: CPU
  • 8 Short Beeps: Video Card
  • 9 Short Beeps: BIOS
  • 10 Short Beeps: CMOS
  • 11 Short Beeps: Memory Cache
  • 1 Long, 3 Short Beeps: Memory
  • 1 Long, 8 Short Beeps: Video Card


Phoenix BIOS Beep Codes (1-1-3 means one beep, pause, one beep, pause, and three beeps)

  • 1-1-3: CMOS
  • 1-1-4: BIOS
  • 1-2-1: Timer
  • 1-2-2: Motherboard
  • 1-2-3: Motherboard
  • 1-3-1: Motherboard
  • 1-3-3: Motherboard
  • 1-3-4: Motherboard
  • 1-4-1: Motherboard
  • 1-4-2: Memory
  • 2-_-_: Memory
  • 3-1-_: Motherboard
  • 3-2-4: Keyboard Chip (A20 Gate)
  • 3-3-4: No Video Card
  • 3-4-_: Video Card
  • 4-2-1: Motherboard
  • 4-2-2: Keyboard Missing/Motherboard
  • 4-2-3: Keyboard Missing/Motherboard
  • 4-2-4: Expansion Card Error
  • 4-3-1: Motherboard
  • 4-3-2: Motherboard
  • 4-3-3: Motherboard
  • 4-3-4: Internal Clock
  • 4-4-1: Serial Port
  • 4-4-2: Parallel Port
  • 4-4-3: Math Coprocessor
  • Low 1-1-2: Motherboard
  • Low 1-1-3: Extended CMOS RAM problem


Phoenix BIOS Beep Codes
Unfortunately dependent on motherboard maker


Obviously, some items are outdated (CGA?!). If anyone's got some to add, change, or delete, feel free to share! :D
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Thanks for this! Any idea why Phoenix BIOS beep codes are dependent on the manager?

Reply to Lavarin

I keep getting 2524 as an error code

Can someone explain what that is?

There is no onboard video?

Thanks

Reply to metron
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