POST Code Definition | |
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55Display number of processors
Display PnP logo
57Early ISA PnP initialization
59Initialize the combined Trend
5B | (Optional Feature) Show message for entering AWDFLASH.EXE from FDD (optional) | ||
5D | 1. | Initialize Init_Onboard_Super_IO | |
2. | Initialize Init_Onbaord_AUDIO | ||
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60Okay to enter Setup utility; i.e. not until this POST stage can users enter the CMOS setup utility
63Reset keyboard if Early_Reset_KB is not defined
65Initialize PS/2 Mouse
67Prepare memory size information for function call: INT 15h ax=E820h
69Turn on L2 cache
6B | Program chipset registers according to items described in Setup & | ||
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6D | 1. | Assign resources to all ISA PnP devices | |
2. | Auto assign ports to onboard COM ports if the corresponding item in Setup is set to | ||
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| “AUTO” | |
6F | 1. | Initialize floppy controller | |
2. | Set up floppy related fields in 40:hardware | ||
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75Detect & install all IDE devices: HDD, LS120, ZIP, CDROM … (Optional Feature)
76 | Enter AWDFLASH.EXE if: | |
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77Detect serial ports & parallel ports.
7A Detect & install
7C Init HDD write protect
7F | Switch back to text mode if full screen logo is supported | ||
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| E8POST.ASM starts | |
82 | 1. | Call chipset power management hook | |
2. | Recover the text font used by EPA logo (not for full screen logo) | ||
| 3. | If password is set, ask for password | |
83 | Save all data in stack back to CMOS | ||
84 | Initialize ISA PnP boot devices | ||
85 | 1. | USB final Initialization | |
2. | Switch screen back to text mode | ||
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87NET PC: Build SYSID Structure
89 | 1. | Assign IRQs to PCI devices | |
2. | Set up ACPI table at top of the memory. | ||
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