Biostar BI94GS-IA Setup Manual page 22

Mini-ITX Mainboard Manual
JBL2: LCD Backlight Brightness Adjust Header *
This header is for adjusting LCD backlight brightness.
*How to Setup Jumpers
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
22
2 4
1 3
Pin closed
2 4
1 3
Short Pin 1-2:
Increase Brightness
2 4
1 3
Short Pin 3-4:
Decrease Brightness
Pin1-2 closed