Watchdog timer – DFI G5C900-B User Manual
Page 115
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Watchdog Timer
Watchdog Timer
The following parameters are references for setting the time interval
of the Watchdog Timer function. The system will regularly be “cleared”
according to the set time interval. If the system hangs or fails to
function, it will also reset according to the time interval so that your
system will continue to operate.
.model small
.386
;-------------------
;Port defination
;-------------------
SuperIo_CFG_Port EQU 2Eh ;Super I/O Config port. (2Eh/4Eh)
SuperIo_DAT_Port EQU SuperIo_CFG_Port + 1
WDT_Counter
EQU 10
; 1 to 255 (Sec./Min), 0 means
disabled
mSuperio_Enter_Config
Macro
mov
dx, SuperIo_CFG_Port
mov
al, 87h
out
dx, al
NEWIODELAY
out
dx, al
endM
mSuperio_Exit_Config
Macro
mov
dx, SuperIo_CFG_Port
mov
al, 0AAh
out
dx, al
endM
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