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Phoenix BIOS Plus/1.xx BIOS Post Codes

  • 01 - CPU Register Test in Progress
  • 02 - CMOS Write/Read Failure
  • 03 - ROM BIOS Checksum Failure
  • 04 - Programmable Interval Timer Failure
  • 05 - DMA Initialization Failure
  • 06 - DMA Page Register Write/Read Failure
  • 08 - RAM Refresh Verification Failure
  • 09
  • First 64K RAM Test in Progress
  • 0A - First 64K RAM Chip or Data Line Failure, Multi-bit
  • 0B - First 64K RAM Odd/Even Logic Failure
  • 0C - Address Line Failure First 64K RAM
  • 0D - Parity Failure First 64K RAM
  • 10 - Bit 0 First 64K RAM Failure
  • 11 - Bit 1 First 64K RAM Failure
  • 12 - Bit 2 First 64K RAM Failure
  • 13 - Bit 3 First 64K RAM Failure
  • 14 - Bit 4 First 64K RAM Failure
  • 15 - Bit 5 First 64K RAM Failure
  • 16 - Bit 6 First 64K RAM Failure
  • 17 - Bit 7 First 64K RAM Failure
  • 18 - Bit 8 First 64K RAM Failure
  • 19 - Bit 9 First 64K RAM Failure
  • 1A - Bit 10 First 64K RAM Failure
  • 1B - Bit 11 First 64K RAM Failure
  • 1C - Bit 12 First 64K RAM Failure
  • 1D - Bit 13 First 64K RAM Failure
  • 1E - Bit 14 First 64K RAM Failure
  • 1F - Bit 15 First 64K RAM Failure
  • 20 - Slave DMA Register Failure
  • 21 - Master DMA Register Failure
  • 22 - Master Interrupt Mask Register Failure
  • 23 - Slave Interrupt Mask Register Failure
  • 25 - Interrupt Vector Loading in Progess
  • 27 - Keyboard Controller Test Failure
  • 28 - CMOS Power Failure and Checksum Calculation in Progress
  • 29 - CMOS Configuration Validation in Progess
  • 2B - Screen Initialization Failure
  • 2C - Screen Retrace Test Failure
  • 2D - Search for Video ROM in Progess
  • 2E - Screen Running With Video ROM
  • 30 - Screen Operable
  • 30 - Screen Running With Video ROM
  • 31 - Monochrome Monitor Operable
  • 32 - Color Monitor (40 column) Operable
  • 33 - Color Monitor (80 column) Operable
  • 34 - Timer Tick Interrupt Test in Progress or Failure
  • 35 - Shutdown Test in Progress or Failure
  • 36 - Gate A20 Failure
  • 37 - Unexpected Interrupt in Protected Mode
  • 38 - RAM Test in Progress or Address Failure > FFFFh
  • 3A - Interval Timer Channel 2 Test or Failure
  • 3B - Time-of-Day Clock Test or Failure
  • 3C - Serial Port Test or Failure
  • 3D - Parallel Port Test or Failure
  • 3E - Math Coprocessor Test or Failure
  • 41 - System Board Select Failure
  • 42 - Extended CMOS RAM Failure
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