Switch Settings; Lvds Voltage Selection (Sw1); Lvds Brightness Control Voltage Selection (Sw2) - AXIOMTEK PICO822 User Manual

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
LVDS Voltage Selection
SW1
Default: +3.3V
LVDS Brightness Control Voltage Selection
SW2
Default: 0V
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.
Function
+3.3V (Default)
+5V
2.4.2

LVDS Brightness Control Voltage Selection (SW2)

The SW2 enables you to select voltage for brightness control of LVDS panel.
Function
0V (Default)
+5V
Board and Pin Assignments
®
PICO822 Intel Atom
Setting
SW1-1 ON
SW1-2 OFF
SW1-1 OFF
SW1-2 ON
Setting
SW2-1 ON
SW2-2 OFF
SW2-1 OFF
SW2-2 ON
TM
E620T/E680T All-In-One Pico-ITX Board
Setting
SW1-1 ON
SW1-2 OFF
SW2-1 ON
SW2-2 OFF
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