Watch Dog Timer - Aaeon SBC-659P User Manual

Watch Dog Timer

You can enable the system watchdog timer, a hardware timer that
generates either an NMI or a reset when the software that it
monitors does not respond as expected each time the watch dog
polls it ( select the time period in a separate field ) The choice:
Disabled, 10 sec, 20 sec, 30 sec, 40 sec, 1 min, 2 min, 4 min.
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