128 | Appendix A: AMIBIOS POST Checkpoint Codes |
Checkpoint Code | Description |
|
|
57h | The A20 address line, parity, and the NMI are |
| disabled. Adjusting the memory size depending on |
| relocation and shadowing next. |
|
|
58h | The memory size was adjusted for relocation and |
| shadowing. Clearing the Hit <DEL> message next. |
|
|
59h | The Hit <DEL> message is cleared. The <WAIT...> |
| message is displayed. Starting the DMA and |
| interrupt controller test next. |
|
|
60h | The DMA page register test passed. Performing the |
| DMA Controller 1 base register test next. |
|
|
62h | The DMA controller 1 base register test passed. |
| Performing the DMA controller 2 base register test |
| next. |
|
|
65h | The DMA controller 2 base register test passed. |
| Programming DMA controllers 1 and 2 next. |
|
|
66h | Completed programming DMA controllers 1 and 2. |
| Initializing the 8259 interrupt controller next. |
|
|
67h | Completed 8259 interrupt controller initialization. |
|
|
7Fh | Extended NMI source enabling is in progress. |
|
|
80h | The keyboard test has started. Clearing the output |
| buffer and checking for stuck keys. Issuing the |
| keyboard reset command next. |
|
|
81h | A keyboard reset error or stuck key was found. |
| Issuing the keyboard controller interface test |
| command next. |
|
|
82h | The keyboard controller interface test completed. |
| Writing the command byte and initializing the |
| circular buffer next. |
|
|
83h | The command byte was written and global data |
| initialization has completed. Checking for a locked |
| key next. |
|
|