The OPCS Software includes:

NOTE: No tax applies; the software is delivered in non-tangible form. Please specify whether you are interested in the Micro-stepper system (which uses the Kuper card to control the motors), or the Half-stepper system (which uses the parallel ports, and doesn't need a Kuper card).

For further questions, contact Greg Ercolano at

And yes, the software is *still* available for sale + support (this writing: summer 2020).

© Copyright 1997, 2012 Greg Ercolano. All rights reserved. To report documentation errors, send email to