Advantech Industrial Mini-ITX Motherboard with DDR2/Dual GbE Instrukcja Użytkownika Pobierz pdf (Strona 19)

9 AIMB-221 User Manual

Chapter 1 Hardware Configuration

1.9.2 CMOS clear (JCMOS1)

The AIMB-221 motherboard 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 JCMOS1 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.

1.9.3 Watchdog timer output (JWDT1)

The AIMB-221 contains a watchdog timer that will reset the CPU or send a signal to

IRQ11 in the event the CPU stops processing. This feature means the AIMB-221 will

recover from a software failure or an EMI problem. The JWDT1 jumper settings con-

trol the outcome of what the computer will do in the event the watchdog timer is

tripped.

Table 1.1: CMOS (JCMOS1)

Function Jumper Setting

* Keep CMOS data

Clear CMOS data

* default setting

1-2 closed

2-3 closed

Table 1.2: Watchdog timer output (JWDT1)

Function Jumper Setting

IRQE

*Reset

* 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.

1-2 closed

2-3 closed

1 2 ... 14 15 16 17 18 19 20 21 22 23 24 ... 107 108

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Advantech Industrial Mini-ITX Motherboard with DDR2/Dual GbE Instrukcja Użytkownika Strona 19