BIOS
45h | Reserved |
46h | Reserved |
47h | Initialize EISA slot |
48h | Reserved |
49h | Calculate total memory by testing the last double last word of each |
| 64K page; Program writes allocation for AMD K5 CPU |
4Ah | Reserved |
4Bh | Reserved |
4Ch | Reserved |
4Dh | Reserved |
4Eh | Program MTRR of M1 CPU; initialize L2 cache for P6 class CPU & |
| program cacheable range; Initialize the APIC for P6 class CPU; On |
| MP platform, adjust the cacheable range to smaller one in case the |
| cacheable ranges between each CPU are not identical |
4Fh | reserved |
50h | Initialize USB |
51h | Reserved |
52h | Test all memory (clear all extended memory to 0) |
53h | Reserved |
54h | Reserved |
55h | Display number of processors |
56h | Reserved |
57h | Display PnP logo; Early ISA PnP initialization and assign CSN to |
| every ISA PnP device |
58h | Reserved |
59h | Initialize the combined Trend |
5Ah | Reserved |
5Bh | Show message for entering AWDFLASH.EXE from FDD |
| (optional feature) |
5Ch | Reserved |
5Dh | Initialize Init_Onboard_Super_IO switch; Initialize Init_Onboard_ |
| AUDIO switch |
5Eh | Reserved |
5Fh | Reserved |
60h | Okay to enter Setup utility |
61h | Reserved |
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