Aaeon MIX-H310A2 Manual page 21

2. Backlight voltage selection jumper (3-pin BKL_PWR)
+5V (Default)
+12V
3. Inverter backlight control mode selection jumper (3-pin INV_CTL)
Setting
DC mode (Default)
PWM mode
Chapter 2: Motherboard information
BKL_PWR
+5V +12V
(Default)
Pins
2-3
1-2
INV_CTL
DC mode PWM mode
(Default)
Pins
1-2
2-3
2-13