Quote Originally Posted by paulus.v View Post
I would buy a desktop PC to be used exclusive for the CNC control software. There are nice cheap minitower PC like Dell Optiplex. You have to make sure the PC is old enough to have the parallel port on board.
Paulus is correct about using dedicated PC but forget the Parallel port it's a Dinosaur in distress which needs bullet. Buy UC100 it's the cheapist and easist way to get away from PP.

If you wan't something better then Go for Ethernet based.