Jetway Computer NC9NDL - Manual (Page 14)

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(3) JP2 (3-pin): LVDS PVCC 5V/3.3V Select
2-3 closed : LVDS PVCC=3.3V
JP2
1-2 closed: LVDS PVCC=5V(default);
JP2
1 3
1 3
(4) JP4 (3-pin): INVERTER VCC 12V/5V Select
JP4
JP4
1 3
1 3
1-2 closed：Inverter1 VCC=12V (default);
2-3 closed：Inverter1 VCC=5V