DFI COM330-B - Manual (Page 16)

16
2
Hardware Installation
1
ON
4
5
1
ON
4
5
Backlight Power Select
JP12
1 2 3
1 2 3
2-3 On: +3.3V
(default)
1-2 On: +5V
JP12 is used to select the backlight control level +5V or +3.3V.
Important:
Before powering-on the system, make sure JP12’s setting matches the
backlight power’s specifi cation. Selecting the incorrect voltage will seri-
ously damage the backlight.