Ben Okopnik wrote: > As far as Wine goes, I've got a link in ~/.wine/dosdevices - in fact, > I've created _all_ the com ports that the app recognizes (COM1 through > COM9) and linked them to /dev/ttyUSB9. Unfortunately, there's no joy in > Mudville: the app does not see the data. Even the nice little feature in > its configurator which shows the raw input on any of the com ports is > completely silent. Does your program sees a serial port at all? If not, you might need to add some registry keys. A google search will show you few locations in registry where some programs might look for available serial ports.