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| Checkpoint | Description |
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| 6Bh | Program chipset registers according to items described in |
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| Setup & |
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| 6Ch | Reserved |
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| 6Dh | 1. Assign resources to all ISA PnP devices. |
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| 2. Auto assign ports to onboard COM ports if the corre- |
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| sponding item in Setup is set to “Auto”. |
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| 6Eh | Reserved |
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| 6Fh | 1. Initialize floppy controller |
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| 2. Set up floppy related fields in 40:hardware |
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| 70h | Reserved |
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| 71h | Reserved |
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| 72h | Reserved |
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| 73h | Reserved |
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| 74h | Reserved |
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| 75h | Detech &install all IDE device: HDD, LS120, ZIP, |
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| CDROM... |
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| 76h | (Optional feature) |
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| Enter AWDFLASH.EXE if: |
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| - AWDFLASH.EXE is found in floppy drive. |
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| - ALT+F2 is prrssed. |
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| 77h | Detect serial ports & parallel ports |
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| 78h | Reserved |
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| 79h | Reserved |
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| 7Ah | Detect & install |
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| 7Bh | Reserved |
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| 7Ch | Init HDD write protect |
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| 7Dh | Reserved |
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| 7Eh | Reserved |
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| 7Fh | Switch back to text mode if full screen logo is supported. |
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| - If errors occur, report errors & wait for keys |
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| - If no errors occur or F1 key is pressed to continue: |
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| Clear EPA or customization logo. |
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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 fond used by EPA logo (not for full |
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| 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. Switch screen back to text mode |
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| 86h | Reserved |
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| 87h | NET PC: Build SYSID structure |
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Chapter 4 | 67 |