running mach 3 with a usb to parallel adapter

[paulus.v]

I've just been investigating a diferent route a dedicated usb to parallel port adapter designed for use with Cnc machines the UC100 at a little under £100 not the cheapes but can easily move from computer to computer.
kendrick

Going with the UC300 you will have a lot more inputs and outputs than one parallel port plus some analog ones, which means you will need a cheap BOB with only optocouplers and screw terminals.