DFI G5C900-B - Manual (Page 117)

117
COM Express Board
NEWIODELAY Macro
out 0EBh, al ;Dummy I/O output for delay
endM
.code
start:
call W83627Hx_WDT
mov ah, 4ch
int 21h
W83627Hx_WDT Proc near
;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 = Force WDTO time out(Auto clear).
;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_Config
mSuperio_LDN_Select 08h
; PLED mode register, WDTO time unit as second, Keyboard reset
when WDTO time out
mSuperio_GetSet_Reg 0F5h, 11110111b, 00000100b
; , Disable MS/KB interrupt reset WDTO counting, IRQ2 for WDTO
mSuperio_GetSet_Reg 0F7h, 11111111b, 11000010b
; , WDTO Time out Value
mSuperio_Set_Reg 0F6h, WDT_Counter