32 | 3 Getting Started |
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Checkpoint Code | Description |
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8D | Build ACPI tables (if ACPI is supported). |
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8E | Program the peripheral parameters. Enable/Disable |
| NMI as selected. |
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90 | Late POST initialization of system management inter- |
| rupt. |
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A0 | Check boot password if installed. |
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A1 | |
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A2 | Takes care of runtime image preparation for differ- |
| ent BIOS modules. Fill the free area in F000h segment |
| with 0FFh. Initializes the Microsoft IRQ Routing Table. |
| Prepares the runtime language module. Disables the |
| system configuration display if needed. |
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A4 | Initialize runtime language module. |
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A7 | Displays the system configuration screen if enabled. |
| Initialize the CPU before boot, which includes the |
| programming of MTRR. |
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A8 | Prepare CPU for OS boot including final MTRR values. |
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A9 | Wait for user input at configure display if needed. |
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AA | Uninstall POST INT1Ch vector and INT09h vector. |
| Reinitializes the ADM module. |
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AB | Prepare BBS for Int 19 boot. |
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AC | End of POST initialization of chipset registers. |
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B1 | Save system context for ACPI. |
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00 | Passes control to OS Loader (typically INT19h). |
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