Code | Beeps | POST Routine Description |
E1h |
| Initialize the bridge |
|
|
|
E2h |
| Initialize the CPU |
|
|
|
E3h |
| Initialize the system timer |
|
|
|
E4h |
| Initialize system I/O |
|
|
|
E5h |
| Check force recovery boot |
|
|
|
E6h |
| Checksum BIOS ROM |
|
|
|
E7h |
| Go to BIOS |
|
|
|
E8h |
| Set Huge Segment |
|
|
|
E9h |
| Initialize Multi Processor |
|
|
|
EAh |
| Initialize OEM special code |
|
|
|
EBh |
| Initialize PIC and DMA |
|
|
|
ECh |
| Initialize Memory type |
|
|
|
EDh |
| Initialize Memory size |
|
|
|
EEh |
| Shadow Boot Block |
|
|
|
EFh |
| System memory test |
|
|
|
F0h |
| Initialize interrupt vectors |
|
|
|
F1h |
| Initialize Run Time Clock |
|
|
|
F2h |
| Initialize video |
|
|
|
F3h |
| Initialize System Management Mode |
|
|
|
80 | Chapter 4 |
