B-2
X6DVL-G/X6DVL-EG
User’s Manual
B-2
Bootblock Recovery Codes
The bootblock recovery checkpoint codes are listed in order of execution:
Checkpoint
Code Description
E0h
The onboard floppy controller if available is initialized. Next,
beginning the base 512 KB memory test.
E1h
Initializing the interrupt vector table next.
E2h
Initializing the DMA and Interrupt controllers next.
E6h
Enabling the floppy drive controller and Timer IRQs. Enabling internal
cache memory.
Edh
Initializing the floppy drive.
Eeh
Looking for a floppy diskette in drive A:. Reading the first sector of
the diskette.
Efh
A read error occurred while reading the floppy drive in drive A:.
F0h
Next, searching for the AMIBOOT.ROM file in the root directory.
F1h
The AMIBOOT.ROM file is not in the root directory.
F2h
Next, reading and analyzing the floppy diskette FAT to find the
clusters occupied by the AMIBOOT.ROM file.
F3h
Next, reading the AMIBOOT.ROM file, cluster by cluster.
F4h
The AMIBOOT.ROM file is not the correct size.
F5h
Next, disabling internal cache memory.
FBh
Next, detecting the type of flash ROM.
FCh
Next, erasing the flash ROM.
FDh
Next, programming the flash ROM.
FFh
Flash ROM programming was successful. Next, restarting the
system BIOS.
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
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