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58h
59h
5Ah
5Bh
5Ch
5Dh
5E-5Fh
60h
61-64h
65h
66h
67h
68h
69h
6Ah
6Bh
6Ch
6Dh
6Eh
6Fh
70-72h
73h
74h
75h
76h
77h
78h-79h
7Ah
7B-7Eh
7Fh
80h-81h
82h
83h
84h
85h
86-92h
-Assign CSN to every ISA PnP device.
Reserved
Initialize the combined Trend Anti-Virus code.
Reserved
(Optional Feature) Show message for entering AWDFLASH.EXE from FDD (optional)
Reserved
1. Initialize Init_Onboard_Super_IO switch.
2. Initialize Init_Onbaord_AUDIO switch.
Reserved
Okay to enter Setup utility; i.e. not until this POST stage can users enter the CMOS setup
utility.
Reserved
Initialize PS/2 Mouse
Reserved
Prepare memory size information for function call: INT 15h ax=E820h
Reserved
Turn on L2 cache
Reserved
Program chipset registers according to items described in Setup & Auto-configuration
table.
Reserved
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".
Reserved
1. Initialize floppy controller
2. Set up floppy related fields in 40:hardware.
Reserved
(Optional Feature) Enter AWDFLASH.EXE if :
-AWDFLASH is found in floppy drive.
-ALT+F2 is pressed
Reserved
Detect & install all IDE devices: HDD, LS120, ZIP, CDROM.....
Reserved
Detect serial ports & parallel ports.
Reserved
Detect & install co-processor
Reserved
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.
Reserved
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.
Save all data in stack back to CMOS
Initialize ISA PnP boot devices
1. USB final Initialization
2. NET PC: Build SYSID structure
3. Switch screen back to text mode
4. Set up ACPI table at top of memory.
5. Invoke ISA adapter ROMs
6. Assign IRQs to PCI devices
7. Initialize APM
8. Clear noise of IRQs.
Reserved
Introduction
23
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