DFI BT100 - Manual (Page 15)

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15
Chapter 2 Hardware Installation
Chapter 2
Backlight Power Select
JP13 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 JP13 match the
power specification of backlight control. Selecting the incorrect voltage will seriously
damage the backlight.
2-3 On: +3.3V (default)
1-2 On: +5V
1 3 2
1 3 2
JP13
Dimming Mode Select
JP17
JP17 allows you to select the mode for the lightness 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) most appropriate for your panel.
2-3 On: Voltage Mode
(default)
1-2 On: PWM Mode
3 1 2
3 1 2