Biostar B350GT3 Manual - 2.6 Jumper & Switch Setting

Chapter 2: Hardware installation | 13

B350GT3 & X370GT3

Install an Expansion Card

You can install your expansion card by following steps:

•   Read the related expansion card’s instruction document before install the expansion 

card into the computer.

•   Remove your computer’s chassis cover, screws and slot bracket from the computer.

•   Place a card in the expansion slot and press down on the card until it is completely 

seated in the slot.

•   Secure the card’s metal bracket to the chassis back panel with a screw.

•   Replace your computer’s chassis cover.

•   Power on the computer, if necessary, change BIOS settings for the expansion card.

•   Install related driver for the expansion card.

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 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 five seconds.

4.  Set the jumper to “Pin 1-2 close”.

5.  Power on the AC.

6.  Load Optimal Defaults and save settings in CMOS.