User`s manual

NF520-A2

JCMOS1: Clear CMOS Header

By placing the jumper on pin2-3, it allows user to restore the BIOS saf e setting

and the CMOS data, please carefully f ollow the procedures to avoid damaging

the motherboard.

Pin 1-2 Close:

Normal Operation (default).

Pin 2-3 Close:

Clear CMOS data.

※ Clear CMOS Procedures:

1. Remov e AC power line.

2. Set the jumper to “Pin 2-3 close”.

3. Wait f or f ive seconds.

4. Set the jumper to “Pin 1-2 close”.

5. Power on the AC.

6. Reset y our desired password or clear the CMOS data.

JCI1: Chassis O pen Heade r (Optional)

This connector allows system to monitor PC case open status. If the signal has

been triggered, it will record to the CMOS and show the message on next

boot-up.

Assignment

1 Case open signal

2 Ground