UNO-3200G Series User Manual xAppendix A System Settings and Pin Assignments25A.1 System I/O Address and Interrupt Assignment....................................... 26Table A.1: Interrupt Assignments .............................................. 26A.2 Board Connectors and Switches............................................................. 27Figure A.1 Bottom view of System Board .................................. 27A.3 Function of connectors & switches ......................................................... 28Table A.2: Connectors on System board................................... 28A.4 Audio (Pin header) .................................................................................. 29Table A.3: CN9 Audio ................................................................ 29A.5 COM1...................................................................................................... 30Table A.4: CN3 COM1............................................................... 30A.6 COM2...................................................................................................... 31Table A.5: CN4 COM2............................................................... 31A.7 COM3/COM4 .......................................................................................... 32Table A.6: CN5 COM3/COM4 ................................................... 32A.8 Power Connector (PWR) ........................................................................ 33Table A.7: Power connector pin assignments ........................... 33A.9 Relay Connector (PWR) ......................................................................... 33Table A.8: Relay Connector (PWR)........................................... 33A.10 SW7 Power Switch ................................................................................. 33Table A.9: SW4 Power Switch................................................... 33A.11 CN19/CN20 Mini PCIE............................................................................ 34Table A.10:CN19/CN20 Mini PCIE ............................................. 34A.12 CN19 mSATA ......................................................................................... 36Table A.11:CN19 mSATA........................................................... 36A.13 VO1 reserve for power output, the voltage is same as power input ....... 38Table A.12:VO1 reserve for power output, the voltage is same aspower input............................................................... 38A.14 CN1 Internal 12V power for PCI/PCIe .................................................... 39Table A.13:CN1 Internal 12V power for PCI/PCIe...................... 39