Nu Technology Dual Bridge Low Power Pentium-III CPU Module User Manual download pdf (Page 53)

Watchdog and Utilities • 45

Watchdog and Utilities

This chapter takes you through how to configure the watchdog timer and a

brief introduction to the utilities that are available to the cPCI-3720

5.1 Watchdog Timer Configuration

The Watch Dog Timer (WDT) can monitor the system's status. Once you

give a value to the WDT, the timer will begin to count down, moving the

keyboard can restart the WDT. If the system is idle or hangs, it will reboot

when the timer times out.

The function of the watchdog timer is to reset the system automatically. It

contains a one-second (or one-minute) resolution down counter (in CRF2 of

logical device 8 of super I/O chip) and two Watchdog control registers (CRF4

and CRF3 of logical device 8).

We provide WDT function calls for easy use under DOS, Windows

95/98/2000, and Windows NT, please refer to the information under

X:\CHIPDRV\WDT.

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Nu Technology Dual Bridge Low Power Pentium-III CPU Module User Manual Page 53