Appendix B: AMIBIOS POST Diagnostic Error Messages
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A9 | Returned from | adaptor | ROM at | E000h control . |
| Next, performing | any | initialization | required after |
the E000 option ROM had control.
AAInitialization after E000 option ROM control has completed. Displaying the system configuration next.
AB | Building the multiprocessor table, if necessary. POST | ||||||||
| next. |
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B0 | The system configuration is displayed. |
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AC | Uncompressing the DMI data and initializing DMI. |
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B1 | Copying any code to specific areas. |
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D0h | The NMI | is | disabled . | Power | on delay | is | starting . | ||
| Next, the initialization cade checksum will be verified. | ||||||||
D1h | Initializing | the | DMA controller. | Performing | the | keyboard | |||
| controller BAT test . Starting memory refresh, and | ||||||||
| entering 4 GB flat mode next. |
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D3h | Starting memory sizing next. |
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D4h | Returning | to | real | mode. | Executing any OEM | patches | |||
| and setting the stack next. |
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D5h | Passing control to the uncompressed code in shadow | ||||||||
| RAM at E000:0000h. The initialization code is copied | ||||||||
| to segment 0 | and | control | will | be | transferred to | segment | ||
| 0. |
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D6h | Control | is | in | segment 0 . | Next, | checking if | |||
<Ctrl><Home>was pressed and verifying the system BIOS checksum.
If either <Ctrl><Home> was pressed or the system BIOS checksum is bad, next the system will go to checkpoint code E0h. Otherwise, going to checkpoint code D7h.
APPENDIX B
