I have attempted to use a Shuttle (us.shuttle.com) all-in-one PC (X50V2 Plus) with parallel port several times to no avail. Each time I tried my motors lost steps resulting in a very bad situation. Prior to trying this PC I have been using a Dell with no problems for over a year. Does anyone know if the parallel ports in these all-in-one systems are just merely run through the USB. Or better yet, does anyone know how I fix this problem before I throw two brand new computer systems out of the window. I also tried the optimizing the operating system for running CNC and that did'nt work. The system is running Windows XP.
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