Apply patch. Patch attached with submission follows: *** src/RXTXCommDriver.java.orig Sun Jan 29 23:37:49 2006 --- src/RXTXCommDriver.java Sun Nov 1 19:36:18 2009 *************** *** 588,597 **** --- 588,601 ---- else if(osName.equals("FreeBSD")) //FIXME this is probably wrong { String[] Temp = { "ttyd", //general purpose serial ports "cuaa", //dialout serial ports + "ttyu", //general purpose serial ports (uart) + "cuau", //dialout serial ports (uart) + "ttyU", //USB serial ports + "cuaU", //USB dial in serial ports "ttyA", //Specialix SI/XIO dialin ports "cuaA", //Specialix SI/XIO dialout ports "ttyD", //Digiboard - 16 dialin ports "cuaD", //Digiboard - 16 dialout ports "ttyE", //Stallion EasyIO (stl) dialin ports