On Apr 3, 2007, at 10:27 AM, Peter Maxfield wrote: > Is /dev/ttyS3 the equivalent of com4? only if it's a "real" com port. For a USB device, look at /dev/ ttyUSBx, where x is 0 for the first rs232/usb device enumerated, 1 for the second, etc. I'm assuming you are running linux native and aren't talking about the virtual machine configuration. -Jason kg4wsv