ALR Advacned Logic Research BIOS POST Codes
- 01 - 80 [3,4] 86 Register Test in Progress
- 02 - Real-Time Clock Write/Read Failure
- 03 - ROM BIOS Checksum Failure
- 04 - Programmable Internal Timer Failure (or no Video Card)
- 05 - DMA Initialization Failure
- 06 - DMA Page Register Write/Read Failure
- 08 - RAM Refresh Verification Failure
- 09 - First 64-KB RAM Test in Progress
- 0A - First 64-KB RAM Chip or Data Line Multi-Bit
- 0B - First 64-KB RAM Odd/Even Logic Failure
- 0C - Address Line Failure First 64-KB RAM
- 0D - Parity Failure First 64-KB RAM
- 10 - Bit 0 1st 64-KB RAM Failure
- 11 - Bit 1 1st 64-KB RAM Failure
- 12 - Bit 2 1st 64-KB RAM Failure
- 13 - Bit 3 1st 64-KB RAM Failure
- 14 - Bit 4 1st 64-KB RAM Failure
- 15 - Bit 5 1st 64-KB RAM Failure
- 16 - Bit 6 1st 64-KB RAM Failure
- 17 - Bit 7 1st 64-KB RAM Failure
- 18 - Bit 8 1st 64-KB RAM Failure
- 19 - Bit 9 1st 64-KB RAM Failure
- 1A - Bit A 1st 64-KB RAM Failure
- 1B - Bit B 1st 64-KB RAM Failure
- 1C - Bit C 1st 64-KB RAM Failure
- 1D - Bit D 1st 64-KB RAM Failure
- 1E - Bit E 1st 64-KB RAM Failure
- 1F - Bit F 1st 64-KB 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 Progress
- 27 - Keyboard Controller Test Failure
- 28 - Real-Time Clock Power Failure and Checksum Calculation in Progress
- 29 - Real-Time Clock Configuration Validation in Progress
- 2B - Screen Memory Test Failure
- 2C - Screen Initialization Failure
- 2D - Screen Retrace Test Failure
- 2E - Search for Video ROM in Progress
- 30 - Screen Believed Running With Video ROM
- 31 - Monochrome Display Believed Operable
- 32 - Color Display (40 Column) Believed Operable
- 33 - Color Display (80 Column) Believed Operable