Advantech DVMB-554E user manual Watchdog timer output J4

1.8.3 Watchdog timer output (J4)

The DVMB-554E contains a watchdog timer that will reset the CPU or send a signal to PIRQE in the event the CPU stops processing. This feature means the DVMB-554E will recover from a software failure or an EMI problem. The J4 jumper settings control the outcome of what the computer will do in the event the watchdog timer is tripped.

Table 1.4: Watchdog timer output (J4)

Function	Jumper Setting
IRQ11	1
	1-2 closed
* Reset	1
	2-3 closed
*default setting

Note:	The interrupt output of the watchdog timer is a
	low level signal. It will be held low until the
	watchdog timer is reset.
Table 1.5: ATX/AT Mode selector (J5)
Function	Jumper Setting
AT Mode	1
	1-2 closed
ATX Mode	1
	2-3 closed

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