User`s manual

PICO121 AMD G-Series Embedded SoC Pico-ITX Board
12 Board and Pin Assignments
2.4 Jumper Settings
Jumper is a small component consisting of jumper clip and jumper pins. Install jumper clip on 2
jumper pins to close. And remove jumper clip from 2 jumper pins to open. Below illustration
shows how to set up jumper.
Properly configure jumper settings on the PICO121 to meet your application purpose. Below
you can find a summary table of all jumpers and onboard default settings.
Note
Once the default jumper setting needs to be changed, please do it under power-off
condition.
Jumper
Description
Setting
JP1 (Optional)
LVDS +12V Voltage Selection
Default: NA
Open
JP2
Auto Power On
Default: Disable
1-2 Close
JP3
LVDS +3.3V/+5V Voltage Selection
Default: +3.3V
1-2 Close
JP4
LVDS Brightness Control Mode Setting
Default: PWM Mode
1-2 Close
JP5
DDR3/3L Voltage Selection
Default: +1.5V
1-2 Close
JP6
RCC Enable
Default: Enable
1-2 Close
JP7
Restore BIOS Optimal Defaults
Default: Normal Operation
1-2 Close
CN1
Buzzer Selection
Default: Internal Buzzer
2-3 Close