Award Modular BIOS

 

01 Processor Test 1: Processor Status Verification

02 Determine POST Type

03 Clear 8042 Keyboard Controller

04 Reset 8042 Keyboard Controller

05 Get Manufacturing Status

06 Initialize Chips (DMA, 8259's)

07 CPU Test 2: Read/Write/Verify Regs. with 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

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 Test CMOS Checksum

1D Set Configuration from

1E CMOSSize 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 8242Reserved

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 Detetct 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