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6 Tests and Error Messages
Order in Which POST Tests Are Performed
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.
Checkpoint
Code
POST Routine Description (Continued)
(A Check Point Code is NOT an error code or error number)