Advantech AIMB-766 user manual Watchdog timer output JWDT1

1.8.3Watchdog timer output (JWDT1)

The AIMB-766 contains a watchdog timer that will reset the CPU. This feature means the AIMB-766 will recover from a software failure or an EMI problem. The JSETCOM2 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 (JWDT1)

Function	Jumper Setting
NC	1-2 closed

* Reset

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 (PSON1)

Function	Jumper Setting
AT Mode	1-2 closed

* ATX Mode

2-3 closed

* default setting

Table 1.6: COM2 RS-232/422/485 mode selector (JSETCOM2)

Use JSETCOM2 to select the RS-232/422/485 mode for COM2. The default setting is RS- 232.

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