|
|
|
|
|
| Checkpoint |
| Description |
|
| 88h | Reserved |
| |
| 89h | 1. | Assign IRQs to PCI devices. |
|
|
| 2. | Set up ACPI table at top of the memory. |
|
| 8Ah | Reserved |
| |
| 8Bh | 1. | Invoke all ISA adapter ROMs |
|
|
| 2. | Invoke all PCI ROMs (except VGA) |
|
| 8Ch | Reserved |
| |
| 8Dh | 1. | Enable/Disable Parity Check according to CMOS |
|
|
|
| setup. |
|
|
| 2. | APM Initialization |
|
| 8Eh | Reserved |
| |
| 8Fh | Clear noise if IRQs |
| |
| 90h | Reserved |
| |
| 91h | Reserved |
| |
| 92h | Reserved |
| |
| 93h | Read HDD boot sector information for Trend |
| |
|
| code |
| |
| 94h | 1. | Enable L2 cache |
|
|
| 2. | Program Daylight Saving |
|
|
| 3. | Program boot up speed |
|
|
| 4. | Chipset final initialization |
|
|
| 5. | Power management final initialization |
|
|
| 6. | Clear screen & dispaly summary table |
|
|
| 7. | Program K6 write allocation |
|
|
| 8. | Program P6 class write combining |
|
| 95h | Update keyboard LED & typematic rate |
| |
| 96h | 1. | Build MP table |
|
|
| 2. | Build & update ESCD |
|
|
| 3. | Set CMOS century to 20h or 19h |
|
|
| 4. | Load CMOS time into DOS timer tick |
|
|
| 5. | Build MSIRQ routing table |
|
| FFh | Boot attempt (INT 19h) |
| |
|
|
|
|
|
68 | Chapter 4 |
