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GA-G1975X Motherboard - 106 -
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50h Initialize USB
52h Test all memory (clear all extended memory to 0)
55h Display number of processors (multi-processor platform)
57h 1. Display PnP logo
2. Early ISA PnP initialization
-Assign CSN to every ISA PnP device.
59h Initialize the combined Trend Anti-Virus code.
5Bh (Optional Feature)
Show message for entering AWDFLASH.EXE from FDD (optional)
5Dh 1. Initialize Init_Onboard_Super_IO switch.
2. Initialize Init_Onbaord_AUDIO switch.
60h Okay to enter Setup utility; i.e. not until this POST stage can users
enter the CMOS setup utility.
65h Initialize PS/2 Mouse
67h Prepare memory size information for function call:
INT 15h ax=E820h
69h Turn on L2 cache
6Bh Program chipset registers according to items described in Setup &
Auto-configuration table.
6Dh 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”.
6Fh 1. Initialize floppy controller
2. Set up floppy related fields in 40:hardware.
73h (Optional Feature)
Enter AWDFLASH.EXE if :
-AWDFLASH is found in floppy drive.
-ALT+F2 is pressed
75h Detect & install all IDE devices: HDD, LS120, ZIP, CDROM¡K..
77h Detect serial ports & parallel ports.
7Ah Detect & install co-processor
7Fh 1. 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
POST (hex) Description