AXIOMTEK MANO500 Series, User Manual

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MANO500 Mini ITX Motherboard
10 Board and Pin Assignments
2.3.3 COM1 RS-232/422/485 Mode Select (JP3, JP4, JP5)
Use these jumpers (3x2-pin p=2.54mm) to set COM1 port to operate in RS-232, RS-422
or RS-485 communication mode.
JP3 JP4 JP5
2.3.4 COM1Data/Power Select (JP6)
The COM1 port has +5V power capability on DCD and +12V on RI by setting this jumper
(3x2-pin p=2.54mm).
2.3.5 LVDS VDD Select (JP7)
This motherboard supports voltage selection for flat panel displays. Use this 3x2-pin
p=2.54mm jumper to set up VDD power of the LVDS connector. To prevent hardware
damage, before connecting please make sure that the input voltage of LVDS panel is
correct.
2.3.6 LVDS Backlight PWM/CCFL Select (JP8)
This 3x1-pin p=2.54mm jumper enables you to select PWM or voltage control mode for
LVDS backlight control header (CN17). These two control modes are for adjusting the
brightness of LVDS panel.
Function Setting
RS-232 mode
(Default)
JP3 1-2 close
JP4 3-5, 4-6 close
JP5 3-5, 4-6 close
RS-422 mode
JP3 3-4 close
JP4 1-3, 2-4 close
JP5 1-3, 2-4 close
RS-485 mode
JP3 5-6 close
JP4 1-3, 2-4 close
Function Setting
Power: Set COM1 pin 1 to +5V 1-3 close
Data: Set COM1 pin 1 to DCD (Default) 3-5 close
Power: Set COM1 pin 9 to +12V 2-4 close
Data: Set COM1 pin 9 to RI (Default) 4-6 close
Function Setting
+3.3V (Default) 1-2 close
+5V 3-4 close
+12V 5-6 close
Function Setting
Controlled by PWM (Default) 1-2 close
Controlled by DC Voltage 2-3 close