Msi CX700D Manuale Utente Scaricare il pdf (Pagina 15)

1-5

Getting Started

Software code

SIO_IDX equ 4EH

SIO_DTA equ 4FH

Timer equ 10 ;reset after 10 seconds

1. Enter configuration mode

mov dx,SIO_IDX

mov al,87h

out dx,al

out dx,al

2 Set Pin118 to WDTO#

mov dx,SIO_IDX

mov al,2Bh

out dx,al

mov dx,SIO_DTA

in al,dx

and al,not 04h

out dx,al

3. Set to and active LDN 08

mov dx,SIO_IDX

mov al,07h

out dx,al

mov dx,SIO_DTA

mov al,08h

out dx,al

mov dx,SIO_IDX

mov al,30h

out dx,al

mov dx,SIO_DTA

in al,dx

or al,01h

out dx,al

4. Set WatchDog Timer

mov dx,SIO_IDX

mov al,0f4h

out dx,al

mov dx,SIO_DTA

mov al,Timer

out dx,al

5. Exit configuration mode

mov dx,SIO_IDX

mov al,0AAh

out dx,al

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