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Award Ver. 3.02 to 3.20 BIOS Post Codes

  • 01 - Processor Test 1: Processor Status Verification
  • 02 - Determine POST Type
  • 03 - Clear and Reset 8042 Keyboard Controller
  • 04 - Get Manufacturing Status
  • 05 - Repeat Tests if in Manufacturing Test Mode
  • 06 - Initialize Timer, DMA, PAGE Registers, CMOS Shutdown Byte
  • 07 - Processor Test 2: Read/Write/Verify Registers with Data Pattern FF and 00.
  • 08 - Initialize CMOS Timer
  • 09 - EPROM Checksum
  • 0A - Initialize Video Controller Register 6845
  • 0B - Test Timer (8254) Channel 0
  • 0C - Test Timer (8254) Channel 1
  • 0D - Test Timer (8254) Channel 2
  • 0E - Test CMOS Shutdown Byte
  • 0F - Test Extended CMOS and Initialize Chipset
  • 10 - Test DMA Channel 0
  • 11 - Test DMA Channel 1
  • 12 - Test DMA Page Registers
  • 13 - Test Keyboard Controller
  • 14 - Test Memory Refresh
  • 15 - Test 1st 64K of System Memory
  • 16 - Setup Interrupt Vector Table
  • 17 - Setup Video I/O Operations
  • 18 - Test Video Memory
  • 19 - Test 8259 Mask Bits - Channel 1
  • 1A - Test 8259 Mask Bits - Channel 2
  • 1B - Test CMOS Battery Level
  • 1C - Set Configuration from CMOS
  • 1D - Test CMOS Checksum
  • 1E - Size System Memory
  • 1F - Test Found System Memory
  • 20 - Test Stuck 8259 Interrupt Bits
  • 21 - Test Stuck NMI Bits (Parity I/O Check)
  • 22 - Test 8259 Working
  • 23 - Test Protected Mode
  • 24 - Size Extended Memory
  • 25 - Test Found Extended Memory
  • 26 - Test Protected Mode Exceptions
  • 27 - Setup Cache Control or Shadow RAM
  • 28 - Setup 8242
  • 29 - Reserved
  • 2A - Initialize Keyboard
  • 2B - Initialize Floppy Drive and Controller
  • 2C - Detect and Initialize COM Ports
  • 2D - Detect and Initialize LPT Ports
  • 2E - Initialize Hard Drive and Controller
  • 2F - Detect and Initialize Math Coprocessors
  • 30 - Reserved
  • 31 - Detect and Initialize Option ROMs
  • 3B - Initialize Secondary Cache w/ OPTi Chip Set (486 only)
  • CA - Micronics Cache Initialization
  • CC - NMI Handler Shutdown
  • EE - Unexpected Processor Exception
  • FF - INT 19 Boot Attempt
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