User`s manual

PICO822 Intel
®
Atom
TM
E620T/E680T All-In-One Pico-ITX Board
Board and Pin Assignments 13
2.4 Switch Settings
Properly configure switches on the PICO822 to meet your application purpose. Below you can
find a summary table of onboard default settings.
Note: Once the default setting needs to be changed, please do it under power-off condition.
Switch
Description
Setting
SW1
LVDS Voltage Selection
Default: +3.3V
SW1-1 ON
SW1-2 OFF
SW2
LVDS Brightness Control Voltage Selection
Default: 0V
SW2-1 ON
SW2-2 OFF
2.4.1 LVDS Voltage Selection (SW1)
The board supports voltage selection for flat panel displays. Use SW1 to set LVDS
connector (CN6) pin 27~30 VCCM to +3.3V or +5V.
2.4.2 LVDS Brightness Control Voltage Selection (SW2)
The SW2 enables you to select voltage for brightness control of LVDS panel.
Function
Setting
+3.3V (Default)
SW1-1 ON
SW1-2 OFF
+5V
SW1-1 OFF
SW1-2 ON
Function
Setting
0V (Default)
SW2-1 ON
SW2-2 OFF
+5V
SW2-1 OFF
SW2-2 ON