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Raptor AT – Installation Guide
58
Table D-5 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.