I bought a uc100... a parallel port card... but a friend said its not a typical cnc control box think its one of the first only xp will work on it i put the parallel port card in its working fine set up mach3 same as on my xp pc wont work but works fine on xp i got a spare power supply so might get a mana 3 stepper board so i can keep the old pc for when i want to use mach3