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

Home | Products | View Cart | Contact Us

Intel Motherboards Beep Codes

  • 1 beep Refresh Failure The memory refresh circuitry on the motherboard is faulty.
  • 1 continuous beep Memory Failure Memory failure in the first memory block checked.
  • 1 long, 2 short No video card found Applies only to motherboards with no on-bd video.
  • 1 long, x short Video related failure Other video beep codes may exist and are tied to specific video BIOS implementations. Contact the vendor for details should the need arise.
  • 3 short No Monitor connected Applies only to motherboards with on-bd video present.
  • 2 beeps Parity Error Parity error in the first 64 KB of memory.
  • 3 beeps Base 64 KB Memory Failure Memory failure in the first 64 KB.
  • 4 beeps Timer Not Operational Memory failure in the first 64 KB of memory, or Timer 1 on the motherboard is not functioning.
  • 5 beeps Processor Error The CPU on the motherboard generated an error.
  • 6 beeps 8042 - Gate A20 Failure The keyboard controller may be bad. The BIOS cannot switch to protected mode.
  • 7 beeps Processor Exception Interrupt Error The CPU generated an exception interrupt.
  • 8 beeps Display Memory Read/Write Error System video adapter is either missing or its memory is faulty. This is not a fatal error.
  • 9 beeps ROM Checksum Error ROM checksum value does not match the value encoded in BIOS.
  • 10 beeps CMOS Shutdown Reg Rd/Wrt Error The shutdown register for CMOS RAM failed.
  • 11 beeps Cache Error / External Cache Bad The external cache is faulty.
Home | Products | Contact Us | View Cart | © 2012 Microsystems Development Tech. Inc.