![](/images/new-backgrounds/1266766/266766145x1.webp)
POST Code (Hex) |
| POST Routine Description |
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76h | (Optional Feature) Enter AWDFLASH.EXE if: | |
| drive. | |
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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. | |
|
| If errors occur, report errors & wait for keys |
|
| If no errors occur or F1 key is pressed to continue: |
|
| Clear EPA or customization logo |
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80h | Reserved | |
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81h | Reserved | |
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E8POST.ASM starts |
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82h | 1 | Call chipset power management hook |
| 2 | Recover the text fond used by EPA logo (not for full screen logo) |
| 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 |
| 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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88h | Reserved | |
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89h | 1 | Assign IRQs to PCI devices |
| 2 | Set up ACPI table at top of the memory |
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8Ah | Reserved | |
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8Bh | 1 | Invoke all ISA adapter ROMs |
| 2 | Invoke all PCI ROMs (except VGA) |
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8Ch | Reserved | |
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8Dh | 1 | Enable/Disable Parity Check according to CMOS setup |
| 2 | APM Initialization |
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8Eh | Reserved | |
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8Fh | Clear noise of IRQs | |
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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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Chapter 4 | 65 |