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ASMB-586 User Manual
Appendix A
P
rogramming
the
W
atchdog
Timer
Dec dx ; Set second as counting unit
Mov al,0f5h
Out dx,al
Inc dx
In al,dx
And al,not 08h
Out dx,al
;-----------------------------------------------------------
Dec dx ; Set timeout interval as 10 seconds and start counting
Mov al,0f6h
Out dx,al
Inc dx
Mov al,10; 10 minutes
Out dx,al
;-----------------------------------------------------------
Dec dx ; lock NCT6776
Mov al,0aah
Out dx,al
Enable watchdog timer and set 5 minutes as the timeout interval
;-----------------------------------------------------------
Mov dx,2eh ; unlock NCT6776
Mov al,87h
Out dx,al
Out dx,al
;-----------------------------------------------------------
Mov al,07h ; Select registers of watchdog timer
Out dx,al
Inc dx
In al,dx
Or 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 ; Set minute as counting unit
Mov al,0f5h
Out dx, al
Inc dx
In al,dx
Or al, 08h
Summary of Contents for ASMB-586
Page 11: ...Chapter 1 1 Hardware Configuration ...
Page 25: ...Chapter 2 2 Connecting Peripherals ...
Page 46: ...ASMB 586 User Manual 36 ...
Page 47: ...Chapter 3 3 BIOS Operation ...
Page 70: ...ASMB 586 User Manual 60 3 3 9 NCT6776 HW Monitor Figure 3 12 PC health status screen ...
Page 77: ...67 ASMB 586 User Manual Chapter 3 BIOS Operation Legacy Console Redirection Settings ...
Page 78: ...ASMB 586 User Manual 68 ...
Page 84: ...ASMB 586 User Manual 74 ...
Page 98: ...ASMB 586 User Manual 88 3 4 2 PCH IO Configuration Figure 3 23 PCH IO configuration screen ...
Page 111: ...101 ASMB 586 User Manual Chapter 3 BIOS Operation 3 8 1 System Event Log ...
Page 115: ...Chapter 4 4 Driver Installation ...
Page 119: ...Appendix A A Programming the Watchdog Timer ...
Page 127: ...Appendix B B I O Pin Assignments ...
Page 137: ...127 ASMB 586 User Manual Appendix B I O Pin Assignments ...