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