Advantech PCA-6181, Руководство пользователя, Страница: 25 / 126

Chapter 1 Hardware Configuration
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1.7.2 CMOS clear (J1)
The PCA-6181 CPU card contains a jumper that can erase CMOS data
and reset the system BIOS information. Normally this jumper should be
set with pins 1-2 closed. If you want to reset the CMOS data, set J1 to
2-3 closed for just a few seconds, and then move the jumper back to 1-
2 closed. This procedure will reset the CMOS to its default setting.
Table 1-4: CMOS clear (J1)
Function Jumper setting
* Keep CMOS data 1-2 closed
Clear CMOS data 2-3 closed
* default setting
1.7.3 Watchdog timer output (J2)
The PCA-6181 contains a watchdog timer that will reset the CPU or
send a signal to IRQ11 in the event the software fails to reset the
watchdog timer. The J2 jumper settings control the outcome of what
the computer will do in the event the watchdog timer is tripped.
Table 1-5: Watchdog timer output (J2)
Function Jumper setting
IRQ11 1-2 closed
* Reset 2-3 closed
* default setting
1
1
1
1
1
1