Lvds Voltage Selection (Jp1); Com1 Rs-232/422/485 Mode Setting (Jp2, Jp3, Jp4); Com2 Data/Power Selection (Jp5); Com1 Data/Power Selection (Jp6) - AXIOMTEK NANO830 User Manual

NANO830/831 Intel
2.3.1

LVDS Voltage Selection (JP1)

The board supports voltage selection for flat panel displays. Use JP1 to set LVDS
connector (CN4) pin 1~6 VCCM to +3.3V or +5V voltage level.
Function
+3.3V level (Default)
+5V level
2.3.2

COM1 RS-232/422/485 Mode Setting (JP2, JP3, JP4)

Use these jumpers to set COM1 port to operate as RS-232, RS-422 or RS-485
communication mode. When these jumpers are set to operate as RS-422 or RS485,
please make sure COM1 is on data mode (see section 2.3.4)
Function
RS-232 mode
(Default)
RS-422 mode
RS-485 mode
2.3.3

COM2 Data/Power Selection (JP5)

The COM2 port has +5V level power capability on DCD and +12V level on RI by setting
this jumper.
Function
Power: Set CN2 pin 1/CN19 pin 1 to +5V level
Data: Set CN2 pin 1/CN19 pin 1 to DCD (Default)
Power: Set CN2 pin 8/CN19 pin 9 to +12V level
Data: Set CN2 pin 8/ CN19 pin 9 to RI (Default)
Note: The CN2 is a connector on NANO830 while CN19 is a connector on NANO831.
2.3.4

COM1 Data/Power Selection (JP6)

The COM1 port has +5V level power capability on DCD and +12V level on RI by setting
this jumper. When this port is set to +5V or +12V level, please make sure its
communication mode is RS-232 (see section 2.3.2).
Function
Power: Set CN3 pin 1 to +5V level
Data: Set CN3 pin 1 to DCD (Default)
Power: Set CN3 pin 8 to +12V level
Data: Set CN3 pin 8 to RI (Default)
Board and Pin Assignments
®
Atom
Setting
1-2 close
2-3 close
Setting
JP2 3-5, 4-6 close
JP3 3-5, 4-6 close
JP4 1-2 close
JP2 1-3, 2-4 close
JP3 1-3, 2-4 close
JP4 3-4 close
JP2 1-3, 2-4 close
JP3 1-3, 2-4 close
JP4 5-6 close
TM
D2550/N2600 Processor Nano-ITX Board
Setting
1-3 close
3-5 close
2-4 close
4-6 close
Setting
1-3 close
3-5 close
2-4 close
4-6 close
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