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Eurosoft BIOS Post Codes

  • 03 - DMA page registers tested
  • 04 - DMA page registers failed
  • 05 - Keyboard tested
  • 06 - Keyboard test failed
  • 07 - Keyboard self-test passed
  • 08 - Keyboard self-test failed
  • 09 - 8042 keyboard controller checking links
  • 0A - 8042 keyboard controller unable to read links
  • 0B - RATMOD/DIAG link
  • 0C - Keyboard port 60h tested
  • 0D - Keyboard failed port 60h test
  • 0E - Keyboard parameter tested
  • 0F - Keyboard parameter test failed
  • 10 - Keyboard command byte read
  • 11 - Keyboard command byte failed read
  • 12 - Keyboard command byte read OK
  • 13 - Keyboard command byte corrupt
  • 14 - RAM-refresh toggle switch
  • 15 - RAM-refresh clock not correct
  • 16 - RAM bit test passed
  • 17 - RAM bit test failed
  • 18 - RAM parity tested
  • 19 - RAM parity error
  • 1A - CMOS RAM tested
  • 1B - CMOS RAM test failed
  • 1C - CMOS battery OK
  • 1D - CMOS battery failed
  • 1E - CMOS checksum passed
  • 1F - CMOS checksum failed
  • 20 - CMOS battery fault bit set
  • 21 - Master DMA controller 1 tested
  • 21 - Slave DMA controller 2 tested
  • 22 - Master DMA controller 1 failed
  • 23 - Slave DMA controller 2 failed
  • 24 - Protected mode entered successfully
  • 25 - RAM test completed
  • 26 - BIOS RAM checksum tested
  • 27 - BIOS RAM checksum test failed
  • 28 - Protected mode exit successful
  • 29 - Keyboard power-up reply received
  • 2A - Keyboard power-up reply missing
  • 2B - Keyboard disable command tested
  • 2C - Keyboard disable command failed
  • 2D - Checking for video system
  • 2E - POST errors have been reported
  • 2F - About to halt
  • 30 - Protected mode entered safely
  • 31 - RAM test complete
  • 32 - Master interrupt controller (PIC 1) tested
  • 33 - Master interrupt controller (PIC 1) failed
  • 34 - Slave interrupt controller (PIC 2) tested
  • 35 - Slave interrupt controller (PIC 2) failed
  • 36 - Chipset initialization
  • 37 - Chipset initialization failed
  • 38 - BIOS shadowing tested
  • 39 - BIOS shadowing failed
  • 3A - Video BIOS shadowing tested
  • 3B - Video BIOS shadowing failed
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