Aaeon IMBA-Q77 Bedienungsanleitung PDF herunterladen (Seite 80)

Industrial Motherboard IMBA-Q77

Appendix A Programming the Watchdog Timer A-5

01h: Time-out occurs after 1 second/minute

02h: Time-out occurs after 2 second/minutes

03h: Time-out occurs after 3 second/minutes

…………………………………………………..

FFh: Time-out occurs after 255 second/minutes

CR F7h. (WDTO# Control & Status Register; Default 00h)

BIT READ/WRITE DESCRIPTION

7 R/W

Mouse interrupt reset watch-dog timer enable

0: Watchdog timer is not affected by mouse interrupt.

1: Watchdog timer is reset by mouse interrupt.

6 R/W

Keyboard interrupt reset watch-dog timer enable

0: Watchdog timer is not affected by keyboard interrupt.

1: Watchdog timer is reset by keyboardd interrupt.

5 Write “1” Only

Trigger WDTO# event. This bit is self-clearing.

R/W

Write“0”Clear

WDTO# status bit

0: Watchdog timer is running.

1: Watchdog timer issue time-out event.

3~0 R/W

These bits select IRQ resource for WDTO#. (02h for

SMI# event.)

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Aaeon IMBA-Q77 Bedienungsanleitung Seite 80