DFI EC200 Series User Manual page 198

B
Watchdog Timer
NEWIODELAY
mov
in
NEWIODELAY
endM
mSuperio_LDN_Select
mSuperio_Set_Reg 07h, LDN
endM
mSuperio_Set_Reg Macro RegIndex, SetValue
mov
mov
out
NEWIODELAY
mov
mov
out
NEWIODELAY
endM
NEWIODELAY
out
endM
.code
start:
call
mov
int
W83627Hx_WDT
;LDN8
;CRF5[3] :RW 0/1 = WDTO Second/Minute
;CRF5[2] :RW 0/1 = Keyboard Reset Low/High when WDTO Timeout
;CRF6[7:0]:RW 00h = Disable , 01h~0FFh = 1~255 Sec/Min.
;CRF7[7] :RW 0/1 = Disable/Enable Mouse interrupt reset WDTO counting.
;CRF7[6] :RW 0/1 = Disable/Enable Keyboard interrupt reset WDTO counting.
;CRF7[5] :WO 1
;CRF7[4] :RW 0/1 = WDTO time status TimeOut/Counting.
;CRF7[3:0]:RW 0~7 = Low IRQ for WDTO (Typical is 2, means SMI).
mSuperio_Enter_Confi g
mSuperio_LDN_Select 08h
198
dx, SuperIo_DAT_Port
al, dx
Macro LDN
dx, SuperIo_CFG_Port
al, RegIndex
dx, al
dx, SuperIo_DAT_Port
al, SetValue
dx, al
Macro
0EBh, al ;Dummy I/O output for delay
W83627Hx_WDT
ah, 4ch
21h
Proc near
= Force WDTO time out(Auto clear).