User manual

25 Chapter 3

(*): means default setting of the jumper/function

3.10 LCD Power Jumper Setting (J6)

The ARK-3381 series of embedded box computer provide a JP6 jumper

located on internal PCM-9380 or PCM-9386 motherboard for selecting

the LCD signal power of 5V or 3.3V. When you connect your LVDS LCD

panel display, you need to set up this JP6 for LCD power setting selection

for your LVDS panel display.

Table 3.10: COM5 Ring/Voltage Selection

Serial port Function JP11 JP12

COM 5 5V

12V

wake on ring*

10-12 closed

12-14 closed

open*

open

5-6 closed*

Table 3.11: COM6 Ring/Voltage Selection

Serial port Function JP11 JP12

COM 6 5V

12V

wake on ring*

11-9 closed

11-13 closed

open*

open

7-8 closed*

Figure 3.7: JP11 Jumper pin layout Figure 3.8: JP12 Jumper pin layout