Auto Power On (Jp1); Lvds Voltage Selection (Jp2); Lvds Brightness Control Mode Setting (Jp3); Com2 Rs-232/422/485 Mode Setting (Jp5, Jp6, Jp7) - AXIOMTEK CAPA831 User Manual

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CAPA831 Intel Atom
2.3.1

Auto Power On (JP1)

If JP1 is enabled for AC power input, the system will be automatically power on without
pressing soft power button. If JP1 is disabled for AC power input, it is necessary to
manually press soft power button to power on the system.
Function
Disable auto power on (Default)
Enable auto power on
2.3.2

LVDS Voltage Selection (JP2)

The board supports voltage selection for flat panel displays. Use JP2 to set LVDS
connector (CN3) pin 1~6 VCCM to +3.3V or +5V voltage level.
Function
+3.3V level (Default)
+5V level
2.3.3

LVDS Brightness Control Mode Setting (JP3)

The JP3 enables you to select PWM or voltage control mode for inverter connector
(CN1). These two control modes are for adjusting the brightness of LVDS panel.
Function
PWM mode (Default)
Voltage mode
2.3.4

COM2 RS-232/422/485 Mode Setting (JP5, JP6, JP7)

Use these jumpers to set COM2 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 COM2 is on data mode (see section 2.3.8)
Function
RS-232 mode
(Default)
RS-422 mode
RS-485 mode
10
TM
D2550/N2800/N2600 Processor 3.5" SBC
Setting
2-3 close
1-2 close
Setting
1-2 close
2-3 close
Setting
1-2 close
3-4 close
Setting
JP5 1-2 close
JP6 3-5, 4-6 close
JP7 3-5, 4-6 close
JP5 3-4 close
JP6 1-3, 2-4 close
JP7 1-3, 2-4 close
JP5 5-6 close
JP6 1-3, 2-4 close
JP7 1-3, 2-4 close
Board and Pin Assignments