Appendix A - Watchdog Timer; Appendix B - Troubleshooting - DFI NP101-D16C User Manual

A
Watchdog Timer

Appendix A - 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
disabled
mSuperio_Enter_Config
mov
mov
out
NEWIODELAY
out
endM
mSuperio_Exit_Config
mov
mov
out
endM
132
EQU 10
Macro
dx, SuperIo_CFG_Port
al, 87h
dx, al
dx, al
Macro
dx, SuperIo_CFG_Port
al, 0AAh
dx, al
; 1 to 255 (Sec./Min), 0 means