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Chapter 4
5Dh
1. Initialize Init_Onboard_Super_IO switch.
2. Initialize Init_Onboard_AUDIO switch.
5Eh
Reserved
5Fh
Reserved
60h
Okay to enter Setup utility; i.e. not until this POST stage can users enter the
CMOS setup utility.
61h
Reserved
62h
Reserved
63h
Reserved
64h
Reserved
65h
Initialize PS/2 Mouse
66h
Reserved
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
.
Checkpoint
Description
