Uncompressed initialization codes – Acer Altos G300 Series User Manual
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Uncompressed Initialization Codes
The following runtime checkpoint codes are listed in order of
execution. These codes are uncompressed in F0000h shadow RAM.
FCh
Next, erasing the flash ROM.
FDh
Next, programming the flash ROM.
FFh
Flash ROM programming was successful. Next,
restarting the system BIOS.
Checkpoint Code
Description
03h
The NMI is disabled. Next, checking for a soft reset
or a power on condition.
05h
The BIOS stack has been built. Next, disabling cache
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.
0Ah
The CMOS checksum calculation is done.
Initializing the CMOS status register for date and
time next.
0Bh
The CMOS status register is initialized. Next,
performing any required initialization before the
keyboard BAT command is issued.
0Ch
The keyboard controller input buffer is free. Next,
issuing the BAT command to the keyboard
controller.
Checkpoint Code
Description
aa300.book Page 123 Tuesday, December 17, 2002 5:27 PM