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D
Watchdog Timer
Appendix D - Watchdog Timer
To use the Watchdog timer function, please follow the steps below.
1. Set the "6300ESB WDT Function" field to Enabled (Integrated
Peripherals submenu, Onboard Device section of the BIOS).
2. Set the time interval of the Watchdog timer in the "WDT Timer
Value" field.
3. Run the parameters shown below.
;Main start
mov
dx,0cf8h
mov
eax,8000ec60h
;Select Bus0 Dev1D Func4 Reg60
out
dx,eax
;6300ESB Watch-Dog
jmp
$ +2
mov
dx,0cfch
mov
al,03h
out
dx,al
;Reg 60 = 7 - No INT, 1Mhz
jmp
$ +2
dely:
nop
nop
nop
loop
dely
mov
dx,0cf8h