| Appendix |
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51h | Reserved |
52h | Test all memory (clear all extended memory to 0) |
53h | Reserved |
54h | Reserved |
55h | Display number of processors |
| platform) |
56h | Reserved |
57h | 1. Display PnP logo |
| 2. Early ISA PnP initialization |
| - Assign CSN to every ISA PnP device. |
58h | Reserved |
59h | Initialize the combined Trend |
5Ah | Reserved |
5Bh | (Optional Feature) Show message for entering |
| AWDFLASH.EXE from FDD (optional) |
5Ch | Reserved |
5Dh | 1. Initialize Init_Onboard_Super_IO switch. |
| 2. Initialize Init_Onbaord_AUDIO switch. |
5Eh | Reserved |
5Fh | Reserved |
60h | Okay to enter Setup utility; i.e. not until this POST stage |
| can users enter the CMOS setup utility. |
61h | Reserved |
62h | Reserved |
63h | Reserved |
64h | Reserved |
65h | Initialize PS/2 Mouse |
66h | Reserved |
67h | Prepare memory size information for function call: |
| INT 15h ax=E820h |
68h | Reserved |
69h | Turn on L2 cache |
6Ah | Reserved |
6Bh | Program chipset registers according to items described |
| in Setup & |
6Ch | Reserved |
