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Appendix
AN9 32X 5-3
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.
8B
1. Invoke all ISA adapter ROMs
2. Invoke all PCI ROMs (except VGA)
8D
1. Enable/Disable Parity Check according to CMOS setup
2. APM Initialization
8F Clear noise of IRQs
93 Read HDD boot sector information for Trend Anti-Virus code
94
1. Enable L2 cache
2. Program Daylight Saving
3. Program boot up speed
4. Chipset final initialization.
5. Power management final initialization
6. Clear screen & display summary table
7. Program K6 write allocation
8. Program P6 class write combining
95 Update keyboard LED & typematic rate
96
1. Build MP table
2. Build & update ESCD
3. Set CMOS century to 20h or 19h
4. Load CMOS time into DOS timer tick
5. Build MSIRQ routing table
FF Boot attempt (INT 19h)