EMX-QM67 User's Manual
2.7.2
COM3, COM4, COM5 RI/+5V/+12V Select (JCOMPWR3 JCOMPWR4
JCOMPWR5)
This jumper allows you to select the power mode of COM PORTATX Mode or AT mode
2.7.3
LVDS Back Light controller form SIO (JBLK1)
36 EMX-QM67 User's Manual
RI
+5V
ENABLED
+12V
DISABLED