Table of Contents
Advertisement
H8DMT/H8DMT-IBX/H8DMT-F/H8DMT-IBXF User's Manual
Checkpoint
FCh
FDh
FFh
B-3
Uncompressed Initialization Codes
The following runtime checkpoint codes are listed in order of execution.
These codes are uncompressed in F0000h shadow RAM.
Checkpoint
03h
05h
06h
07h
08h
0Ah
0Bh
0Ch
0Eh
0Fh
10h
11h
12h
13h
14h
19h
1Ah
2Bh
2Ch
Code Description
Next, erasing the flash ROM.
Next, programming the flash ROM.
Flash ROM programming was successful. Next, restarting the system BIOS.
Code 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.
The keyboard controller BAT command result has been verified. Next,
performing any necessary initialization after the keyboard controller BAT
command test.
The initialization after the keyboard controller BAT command test is done. The
keyboard command byte is written next.
The keyboard controller command byte is written. Next, issuing the Pin 23 and
24 blocking and unblocking command.
Next, checking if <End or <Ins> keys were pressed during power on. 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 controllers 1 and 2.
The video display has been disabled. Port B has been initialized. Next, initializing
the chipset.
The 8254 timer test will begin next.
Next, programming the flash ROM.
The memory refresh line is toggling. Checking the 15 second on/off time next.
Passing control to the video ROM to perform any required configuration before
the video ROM test.
All necessary processing before passing control to the video ROM is done.
Looking for the video ROM next and passing control to it.
B-2
Advertisement
Table of Contents
