post code master - the site for BIOS, POST & BEEP code information

Home | Products | View Cart | Contact Us

AMI BIOS Rev 8 AMIBIOS8 Beep Codes

  • 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


  • Troubleshooting BIOS Beep Codes
  • 1, 2 or 3 - Reseat the memory, or replace with known good modules.
  • 4-7, 9-11 - Fatal error indicating a serious problem with the system. Consult your system manufacturer.
    Before declaring the motherboard beyond all hope, eliminate the possibility of interference by a malfunctioning add-in card. Remove all expansion cards cards except the video adapter.
    If the beep codes are generated even when all other expansion cards are absent, the motherboard has a serious problem. Consult your system manufacturer.
    If the beep codes are not generated when all other expansion cards are absent, one of the add-in cards is causing the malfunction. Insert the cards back into the system one at a time until the problem happens again. This will reveal the malfunctioning add-in card.
  • 8 - If the system video adapter is an add-in card, replace or reseat the video adapter. If the video adapter is an integrated part of the system board, the board may be faulty.
Home | Products | Contact Us | View Cart | © 2012 Microsystems Development Tech. Inc.