Special features, Watchdog timer, 5special features – Intel ETX CD User Manual

Page 40

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5 Special Features

Kontron User's Guide ETX CD

40

5

Special Features

5.1

Watchdog Timer

This feature is implemented in the Winbond 83627HF super I/O. You can configure the Watchdog Timer
(WDT) in BIOS setup to start after a set amount of time after power-on boot. The WDT can also be
controlled by the JIDA32 Library API (Refer to Appendix F: JIDA Standard). The application software
should strobe the WDT to prevent its timeout. Upon timeout, the WDT resets and restarts the system. This
provides a way to recover from program crashes or lockups.

Configuration
You can program the timeout period for the watchdog timer in two ranges:

1-second increments from 1 to 255 seconds

1-minute increments from 1 to 255 minutes

Contact Kontron Embedded Modules technical support for information on programming and operating
the WDT.

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