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