POST Code
| Code |
| Beeps | For Boot Block in Flash ROM |
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E0h |
|
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| Initialize the chipset. |
E1h |
|
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| Initialize the bridge. |
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E2h |
|
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| Initialize the CPU. |
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E3h |
|
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| Initialize the system timer. |
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E4h |
|
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| Initialize system I/O. |
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E5h |
|
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| Check force recovery boot. |
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|
E6h |
|
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| Checksum BIOS ROM. |
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|
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|
E7h |
|
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| Go to BIOS. |
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|
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|
E8h |
|
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| Set Huge Segment. |
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E9h |
|
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| Initialize Multi Processor. |
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|
EAh |
|
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| Initialize OEM special code. |
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|
EBh |
|
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| Initialize PIC and DMA. |
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ECh |
|
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| Initialize Memory type. |
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|
EDh |
|
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| Initialize Memory size. |
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EEh |
|
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| Shadow Boot Block. |
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|
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|
EFh |
|
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| System memory test. |
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|
F0h |
|
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| Initialize interrupt vectors. |
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F1h |
|
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| Initialize Run Time Clock. |
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F2h |
|
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| Initialize video. |
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|
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|
F3h |
|
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| Initialize System Management Mode. |
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|
|
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|
F4h |
| 1 |
| Output one beep before boot. |
|
|
|
|
|
F5h |
|
|
| Boot to Mini DOS. |
|
|
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|
F6h |
|
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| Clear Huge Segment. |
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|
|
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|
F7h |
|
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| Boot to Full DOS. |
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|
Chapter 4 | 79 |
