AAEON EMB-H81A - Manual (Page 23)

2-15 Chapter 2: Motherboard information
4. Inverter voltage selection (3-pin J2)
Pins
+12V 1-2
+5V (Default) 2-3
EMB-H81A Inverter Voltage Selection
1 2 2 3
+5V
(Default)
+12V
J2
5. Inverter Backlight Control mode selection (3-pin J3)
EMB-H81A Mode Selection for Back
Light Control of Inverter
1
2 2
3
PWM CTL DC CTL
(Default)
J3
Pins
DC Voltage Control (Default) 1-2
PWM Control 2-3