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« on: May 19, 2022, 10:50:21 AM »
Do you have the documentation for the STB4100 and the Mach3 manual? The first thing to check I think is that the Mach3 plugin for the card hasn't somehow got lost or corrupted. When you start Mach3 does it give you either a selection box to select the motion controller, or an error message to say that it can't find the plugin? You could try saving the latest xml config file (look it up in the Mach3 manual) the reinstalling Mach3 and the motion controller plugin. I recently had a problem with my UC100 USB connected motion controller that turned out to be that the USB connector had fallen off the card! Being hidden away this wasn't obvious but caused quite a lot of trouble trying to find the problem...so worth just checking all the connectors too.