Biostar B550T - Инструкция по эксплуатации - Страница 16

16 | Chapter 2: Hardware installation

2.6 Jumper & Switch Setting

The illustration 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 setting and the CMOS data. Please carefully 

follow the procedures to avoid damaging the motherboard.

Pin 1-2 Close:

Normal Operation (default).

Pin 1-2 Short:

Clear CMOS data.

Clear CMOS Procedures:

1.  Remove AC power line.

2.  Set the jumper to “Pin 1-2 short”, you can use a metal object like a screwdriver to touch 

the two pins.

3.  Wait for five seconds.

4.  After clearing the CMOS values, be sure the jumper is “Pin 1-2 open”.

5.  Power on the AC.

6.  Load Optimal Defaults and save settings in CMOS.