6 Tests and Error Messages

Order in Which POST Tests Are Performed

Checkpoint

POST Routine Description (Continued)

Code

(A Check Point Code is NOT an error code or error number)

 

 

EDh

Initializing the floppy disk drive.

 

 

EEh

Looking for a floppy disk in drive A: Reading the first sector of the floppy disk.

 

 

EFh

A read error occurred while reading the floppy disk drive A:.

 

 

F0h

Searching for the AMIBOOT.ROM file for the root directory.

 

 

F1h

AMIBOOT.ROM file is not found in the root directory.

 

 

F2h

Reading and analyzing the floppy disk FAT to find clusters occupied by the AMIBOOT.ROM

 

file.

 

 

F3h

Reading the AMIBOOT.ROM file, cluster by cluster.

 

 

F4h

AMIBOOT file is not the correct size.

 

 

F5h

Disabling internal cache memory.

 

 

FBh

Detecting the type of flash ROM.

 

 

FCh

Erasing the flash BIOS.

 

 

FDh

Programming the flash BIOS.

 

 

FFh

Flash PROM programming was successful. Restarting the system BIOS.

 

 

 

Uncompressed Initialization Codes

 

The following routine checkpoint codes are listed in order of execution.

 

These codes are uncompressed in F0000h shadow RAM.

 

 

03h

Disable Non-Maskable Interrupt (NMI)

 

 

05h

BIOS stack has been built. Next, disabling cache memory.

 

 

06h

Uncompressing the POST code.

 

 

07h

Initializing processor and the processor data area.

 

 

08h

CMOS checksum calculation performed.

 

 

0Bh

Performing any required initialization before the keyboard BAT command is issued.

 

 

0Ch

Keyboard controller input buffer is free. Next, issuing the BAT command to the keyboard

 

controller.

 

 

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