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| Appendix B: Award BIOS POST Codes | |
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| POST (hex) |
| Description | |
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| 80h | Reserved |
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| 81h | Reserved |
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| 82h | 1. | Call chipset power management hook. |
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| 2. | Recover the text font used by EPA logo (not for full screen logo) |
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| 3. | If password is set, ask for password. |
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| 83h | Save all data in stack back to CMOS |
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| 84h | Initialize ISA PnP boot devices |
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| 85h | 1. | USB final Initialization |
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| 2. | NET PC: Build SYSID structure |
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| 3. | Switch screen back to text mode |
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| 4. | Set up ACPI table at top of memory. |
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| 5. | Invoke ISA adapter ROMs |
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| 6. | Assign IRQs to PCI devices |
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| 7. | Initialize APM |
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| 8. | Clear noise of IRQs. |
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| 86h | Reserved |
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| 87h | Reserved |
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| 88h | Reserved |
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| 89h | Reserved |
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| 90h | Reserved |
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| 91h | Reserved |
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| 92h | Reserved |
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| 93h | Read HDD boot sector information for Trend |
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| 94h | 1. | Enable L2 cache |
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| 2. | Program boot up speed |
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| 3. | Chipset final initialization. |
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| 4. | Power management final initialization |
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| 5. | Clear screen & display summary table |
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| 6. | Program K6 write allocation |
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| 7. | Program P6 class write combining |
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| 95h | 1. | Program daylight saving |
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| 2. | Update keyboard LED & typematic rate |
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| 96h | 1. | Build MP table |
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| 2. | Build & update ESCD |
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| 3. | Set CMOS century to 20h or 19h |
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| 4. | Load CMOS time into DOS timer tick |
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| 5. | Build MSIRQ routing table. |
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| FFh | Boot attempt (INT 19h) |
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