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57
AIIS-1240 User Manual
Appendix A
P
rogramming
the
W
atchdog
Timer
Out
dx,al
Inc
dx
Mov
al,08h
Out
dx,al
;-----------------------------------------------------------
Dec dx
; Enable the function of watchdog timer
Mov
al,30h
Out
dx,al
Inc
dx
Mov
al,01h
Out
dx,al
;-----------------------------------------------------------
Dec dx
; Enables watchdog timer to be strobe reset by keyboard
Mov
al,0f7h
Out
dx,al
Inc
dx
In
al,dx
Or al,40h
Out
dx,al
;-----------------------------------------------------------
Dec dx
; Lock NCT6776D
Mov
al,0aah
Out
dx,al
5.
Generate a time-out signal without timer counting
;-----------------------------------------------------------
Mov dx,2eh ; Unlock NCT6776D
Mov al,87h
Out dx,al
Out dx,al
;-----------------------------------------------------------
Mov al,07h ; Select registers of watchdog timer
Out
dx,al
Inc
dx
Mov
al,08h
Out
dx,al
;-----------------------------------------------------------
Dec dx ; Enable the function of watchdog timer
Mov
al,30h
Out
dx,al
Inc
dx
Mov
al,01h
Out
dx,al
;-----------------------------------------------------------
Dec dx
; Generate a time-out signal
Summary of Contents for AIIS-1240
Page 1: ...User Manual AIIS 1240 Power over Ethernet Control System...
Page 10: ...AIIS 1240 User Manual x...
Page 16: ...AIIS 1240 User Manual 6...
Page 32: ...AIIS 1240 User Manual 22...
Page 33: ...Chapter 3 3 AMI BIOS Setup...
Page 61: ...Appendix A A Programming the Watchdog Timer...
Page 69: ...Appendix B B Programming 8 bit DIO GPIO...
Page 72: ...AIIS 1240 User Manual 62...
Page 73: ...Appendix C C 32 bit DIO Signal Connections...
Page 76: ...AIIS 1240 User Manual 66...
Page 77: ...Appendix D D Explored Diagram Parts List...
Page 78: ...AIIS 1240 User Manual 68 D 1 Explored Diagram Figure D 1 Explored Diagram...
Page 80: ...AIIS 1240 User Manual 70...
Page 82: ...AIIS 1240 User Manual 72...