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POST Code Definition I-3
55
Display number of processors (multi-processor platform)
57
Display PnP logo
Early ISA PnP initialization
-Assign CSN to every ISA PnP device
59
Initialize the combined Trend Anti-Virus code
5B
(Optional Feature) Show message for entering AWDFLASH.EXE from FDD (optional)
5D
1. Initialize Init_Onboard_Super_IO
2. Initialize Init_Onbaord_AUDIO
60
Okay to enter Setup utility; i.e. not until this POST stage can users enter the CMOS setup
utility
63
Reset keyboard if Early_Reset_KB is not defined
65
Initialize PS/2 Mouse
67
Prepare memory size information for function call: INT 15h ax=E820h
69
Turn on L2 cache
6B
Program chipset registers according to items described in Setup & Auto-configuration
table
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
“AUTO”
6F
1. Initialize floppy controller
2. Set up floppy related fields in 40:hardware
75
Detect & install all IDE devices: HDD, LS120, ZIP, CDROM …
76
(Optional Feature)
Enter AWDFLASH.EXE if:
-AWDFLASH is found in floppy drive
-ALT+F2 is pressed
77
Detect serial ports & parallel ports.
7A
Detect & install co-processor
7C
Init HDD write protect
7F
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
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
87
NET PC: Build SYSID Structure
89
1. Assign IRQs to PCI devices
2. Set up ACPI table at top of the memory.
User’s Manual