12 | Chapter 2: Hardware installaon
2.6 Jumper & Switch Setting
The illustraon shows how to set up jumpers. When the jumper cap is placed on pins, the
jumper is “close”, if not, that means the jumper is “open”.
Pin opened Pin closed Pin 1-2 closed
JCMOS1: Clear CMOS Jumper
The jumper allows users to restore the BIOS safe seng and the CMOS data. Please carefully
follow the procedures to avoid damaging the motherboard.
Pin 1-2 Close:
Normal Operaon (default).
Pin 2-3 Close:
Clear CMOS data.
Clear CMOS Procedures:
1. Remove AC power line.
2. Set the jumper to “Pin 2-3 close”.
3. Wait for ve seconds.
4. Set the jumper to “Pin 1-2 close”.
5. Power on the AC.
6. Load Opmal Defaults and save sengs in CMOS.