DFI COM100-B - Manual (Page 14)

www.dfi .com Chapter 2 Hardware Installation
14
Chapter 2
DC-in Voltage Level
COM1
COM2
COM2
COM1
SW5
The Switch5 is used to select the voltage level of 5V~9V DC-in jack.
1
2
3
4
on
on
on
on
1 On: 19V
2 On: 12V
(default)
3 On: 5V
4 On: NC
Backlight Brightness Power Select
3
1
2
3
1
2
2-3 On: +3.3V
(default)
1-2 On: +5V
The JP19 is used to select the power level of backlight brightness control: +5V or +3.3V.
JP19
Important:
Before powering-on the system, make sure that the power settings of JP19 match the
power specification of backlight control. Selecting the incorrect voltage will seriously
damage the backlight.
COM1
COM2
COM2
COM1