Post checkpoint codes, Bootblock recovery codes – Acer Altos G300 Series User Manual

Page 134

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Appendix A: AMIBIOS POST Checkpoint Codes

122

POST Checkpoint Codes

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.

aa300.book Page 122 Tuesday, December 17, 2002 5:27 PM

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