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Checkpoint Code
FCh
FDh
FFh
Uncompressed Initialization Codes
The following runtime checkpoint codes are listed in order of
execution. These codes are uncompressed in F0000h shadow RAM.
Checkpoint Code
03h
05h
06h
07h
08h
0Ah
0Bh
0Ch
Description
Next, erasing the flash ROM.
Next, programming the flash ROM.
Flash ROM programming was successful. Next,
restarting the system BIOS.
Description
The NMI is disabled. Next, checking for a soft reset
or a power on condition.
The BIOS stack has been built. Next, disabling cache
memory.
Uncompressing the POST code next.
Next, initializing the CPU and the CPU data area.
The CMOS checksum calculation is done next.
The CMOS checksum calculation is done.
Initializing the CMOS status register for date and
time next.
The CMOS status register is initialized. Next,
performing any required initialization before the
keyboard BAT command is issued.
The keyboard controller input buffer is free. Next,
issuing the BAT command to the keyboard
controller.
83
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