3E
Read hardware.
3F
Test the extended memory for ROM Pilot.
40
Check the speed of the processor.
41
Initialize the extended memory for ROM Pilot.
42
Initialize the interrupt vectors.
44
Set the BIOS interrupt.
45
Initialize the POST device.
46
Check the ROM copyright notice.
47
Initialize support for the intelligent input/output bus by initializing global variables
used by related code.
48
Check the video configuration against CMOS.
49
Initialize the PCI bus and devices.
4A
Initialize all video adapters in the system.
4B
Quiet boot start.
POST and Online Diagnostic Codes
POST Codes
A-5