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Backlight Enable Power Select
JP22
1
1
3
(JP20)
(JP18)
1
1
(JP17)
10
12
1
3
COM 4/DIO Select
(JP22, JP21)
Digital I/O 4-7 Output State
(JP18)
(JP21)
Digital I/O 0-3 Output State
(JP20)
Digital I/O Power Select
(JP17)
10
12
SATA 2.0
SATA 1
1
4
1
SATA
Power
eMMC
(optional)
Mini PCIe with LPC
iTE
IT8528E
MicroSD
(optional)
USB 5-7 Power
COM 6
USB 0
System Fan
Select (JP7)
USB 0
2
10
USB 3.0
Power
USB 2 Power
1
Select
Select (JP6)
(JP5)
1
9
1
1
(JP25)
1
1
10
2
10
5
1
(JP2)
1
2
1
USB 5
(JP23)
1
(JP3)
1
9
1
9
6
2
1
(JP4)
COM 5
3
USB 2.0
LVDS LCD
HDMI
Panel
Auto Power-on Select
(JP25)
LCD/Inverter Power Select
(JP2)
Backlight Enable Power Select
(JP3)
Dimming Mode Select
(JP4)
40
39
Panel Power Select
(JP23)
Power
Mini PCIe with SIM
JP3 is used to select the power level of backlight brightness control: +5V or +3.3V.
Important:
Before powering-on the system, make sure that the power settings of JP3 match the
power specification of backlight control. Selecting the incorrect voltage will seriously
damage the backlight.
Chapter 4 Jumper Settings
1
Battery
Chassis
Intrusion
1
Buzzer
1
SPI
Clear CMOS
Flash
Data (JP24)
BIOS
Mic-in
4
1
mSATA
Line-out
USB 2.0
1
2
3
USB 2
USB 2
USB 6
USB 2
USB 7
USB 2
1-2 On: +3.3V (default)
JP3
1
2
3
LAN 2
2-3 On: +5V
LAN 1
DC-in
Chapter 4
Dimming Mode Select
JP22
1
1
3
(JP20)
1
(JP18)
1
(JP17)
10
12
1
3
(JP21)
10
12
SATA 2.0
SATA 1
1
4
1
SATA
Power
Mini PCIe with LPC
iTE
IT8528E
USB 0
USB 0
USB 3.0
Power
Select
(JP5)
1
5
2
1
(JP23)
6
LVDS LCD
HDMI
Panel
40
39
Power
JP4 allows you to select the mode for the backlight brightness control of the LVDS panel.
Important:
You need to refer to your panel's user guide to determine the type of mode (PWM or
Voltage) that is appropriate for your panel.
16
1
Battery
COM 4/DIO Select
(JP22, JP21)
Chassis
Intrusion
Digital I/O 4-7 Output State
(JP18)
Digital I/O 0-3 Output State
(JP20)
Digital I/O Power Select
(JP17)
1
Buzzer
1
SPI
Clear CMOS
Flash
Data (JP24)
BIOS
eMMC
(optional)
Mic-in
4
1
mSATA
Line-out
USB 2.0
MicroSD
USB 2
USB 2
(optional)
USB 6
USB 2
USB 5-7 Power
COM 6
System Fan
Select (JP7)
1-2 On: Voltage Mode
2
10
USB 7
USB 2 Power
USB 2
1
Select (JP6)
1
9
1
1
1
(JP25)
10
JP4
2
10
1
1
(JP2)
USB 5
LAN 2
1
(JP3)
1
9
(JP4)
1
9
2
1
COM 5
3
USB 2.0
2-3 On: PWM Mode
Auto Power-on Select
(JP25)
LAN 1
LCD/Inverter Power Select
(JP2)
Backlight Enable Power Select
(JP3)
Dimming Mode Select
(JP4)
Panel Power Select
(JP23)
DC-in
Mini PCIe with SIM
1
2
3
1
2
3
(default)
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