Intel Motherboard Raptor AT Installation Manual page 69

Table D-6 Uncompressed Initialization Codes
The following runtime checkpoint codes are listed in order of
execution. These codes are uncompressed in F0000h shadow RAM.
Checkpoint
Code
The NMI is disabled. Next, checking for a soft reset or a
03h
power on condition.
The BIOS stack has been built. Next, disabling cache
05h
memory.
06h Uncompressing the POST code next.
07h Next, initializing the CPU and the CPU data area.
08h The CMOS checksum calculation is done next.
The CMOS checksum calculation is done. Initializing
0Ah
the CMOS status register for date and time next.
The CMOS status register is initialized. Next,
0Bh performing any required initialization before the
keyboard BAT command is issued.
The keyboard controller input buffer is free. Next,
0Ch
issuing the BAT command to the keyboard controller.
The keyboard controller BAT command result has been
0Eh verified. Next, performing any necessary initialization
after the keyboard controller BAT command test.
The initialization after the keyboard controller BAT
0Fh command test is done. The keyboard command byte is
written next.
The keyboard controller command byte is written. Next,
10h issuing the Pin 23 and 24 blocking and unblocking
command.
Next, checking if <End or <Ins> keys were pressed
during power on.
11h Initializing CMOS RAM if the Initialize CMOS RAM in
every boot AMIBIOS POST option was set in AMIBCP
or the <End> key was pressed.
Next, disabling DMA controllers 1 and 2 and interrupt
12h
controllers 1 and 2.
The video display has been disabled. Port B has been
13h
initialized. Next, initializing the chipset.
14h The 8254 timer test will begin next.
The 8254 timer test is over. Starting the memory refresh
19h
test next.
Appendix D: Industrial Devices
Description
59