POST Code (Hex) |
| POST Routine Description |
|
| |
76h | (Optional Feature) Enter AWDFLASH.EXE if: | |
| drive. | |
|
| |
77h | Detect serial ports & parallel ports | |
|
| |
78h | Reserved | |
|
| |
79h | Reserved | |
|
| |
7Ah | Detect & install | |
|
| |
7Bh | Reserved | |
|
| |
7Ch | Init HDD write protect | |
|
| |
7Dh | Reserved | |
|
| |
7Eh | Reserved | |
|
| |
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 |
|
| |
80h | Reserved | |
|
| |
81h | Reserved | |
|
|
|
E8POST.ASM starts |
|
|
|
|
|
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 |
|
| |
83h | Save all data in stack back to CMOS | |
|
| |
84h | Initialize ISA PnP boot devices | |
|
|
|
85h | 1 | USB final Initialization |
| 2 | Switch screen back to text mode |
|
| |
86h | Reserved | |
|
| |
87h | NET PC: Build SYSID Structure | |
|
| |
88h | Reserved | |
|
|
|
89h | 1 | Assign IRQs to PCI devices |
| 2 | Set up ACPI table at top of the memory |
|
| |
8Ah | Reserved | |
|
|
|
8Bh | 1 | Invoke all ISA adapter ROMs |
| 2 | Invoke all PCI ROMs (except VGA) |
|
| |
8Ch | Reserved | |
|
|
|
8Dh | 1 | Enable/Disable Parity Check according to CMOS setup |
| 2 | APM Initialization |
|
| |
8Eh | Reserved | |
|
| |
8Fh | Clear noise of IRQs | |
|
| |
90h | Reserved | |
|
| |
91h | Reserved | |
|
| |
92h | Reserved | |
|
| |
93h | Read HDD boot sector information for Trend | |
|
|
|
Chapter 4 | 65 |
