3. Jumpers

LVDS Power Select Jumper The mainboard has a power select connector that determines the input voltage for the LVDS connector (LVDS1) and LVDS inverter (INVERTER1). The pins 1, 3, and 5 correspond to INVERTER1. The Pins 2, 4, and 6 correspond to LVDS1. The jumper is labeled as “J3” .The jumper settings are shown below.

Figure 1: LVDS power select jumper diagram

LVDS power select jumper setting:

Inverter power	Pin 1	Pin 3	Pin 5
+12V (default)	On	On	Off
+5V	Off	On	On

LVDS power	Pin 2	Pin 4	Pin 6
+3.3V (default)	On	On	Off
+5V	Off	On	On

3.1. Boot Select Jumper

The Boots Select jumper labeled as “J11” is to specify the boot device.

Figure 2: Boot Select jumper diagram

Boot Select jumper (J11) settings:

Boot device	Pins 1-2	Pins2-3
★Micro-SD (default)	short	open
SPI	open	short