Dfi LR100-N16D User Manual download pdf (Page 120)

120

Watchdog Timer

NEWIODELAY

mov dx, SuperIo_DAT_Port

in al, dx

NEWIODELAY

endM

mSuperio_LDN_Select Macro LDN

mSuperio_Set_Reg 07h, LDN

endM

mSuperio_Set_Reg Macro RegIndex, SetValue

mov dx, SuperIo_CFG_Port

mov al, RegIndex

out dx, al

NEWIODELAY

mov dx, SuperIo_DAT_Port

mov al, SetValue

out dx, al

NEWIODELAY

endM

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_Cong

mSuperio_LDN_Select 08h

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Dfi LR100-N16D User Manual Page 120