On Jul 2, 1:16 pm, Gregory Weston <u...@splook.com> wrote: > Any advice on where to turn? Oh, one more piece of advice - did you run fixperm.command? OSX needs to permit the serial library to run. Check out http://adtpro.sourceforge.net/install.html, down in the "Unix/Mac OSX RXTX Considerations" section.