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67 Chapter 4
67h Prepare memory size information for function call:
INT 15h ax=E820h
68h Reserved
69h Turn on L2 cache
6Ah Reserved
6Bh Program chipset registers according to items described in Setup& Auto-configuration
table.
6Ch Reserved
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”
6Eh Reserved
6Fh 1. Initialize floppy controller
2. Set up floppy related fields in 40: hardware.
70h Reserved
71h Reserved
72h Reserved
73h (Optional Feature)
Enter AWDFLASH.EXE if:
-AWDFLASH is found in floppy drive
-ALT+F2 is pressed
74h Reserved
75h Detect & install all IDE devices: HDD, LS120, ZIP,CDROM.....
76h Reserved
77h Detect serial ports & parallel ports
78h Reserved
79h Reserved
7Ah Detect & install co-processor
7Bh Reserved
7Ch Reserved
7Dh Reserved
7Eh Reserved
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.
80h Reserved
81h Reserved
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.
Checkpoint Description