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Author Topic: Need some guidance on Mach3->Mach4 conversion  (Read 62 times)

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Need some guidance on Mach3->Mach4 conversion
« on: December 17, 2025, 04:09:45 PM »
Hi all,
I've spent about the last month reading, trying, learning about everything needed to move to Mach4 (been using Mach3 successfully for years).  I used the document found here: https://warp9td.com/index.php/gettingstarted/migrating-from-mach3-to-mach4 as my main guidance.

I do have motors moving, haven't checked inputs yet.  I am sure I will have a litany of things come up moving forward, but I have one major issue I can't seem to get through.  I cannot get my slaved Y axis to move with my Y axis.  I have Motor 1 set as primary and Motor 3 set as "Slave 1" in the Axis mapping menu.  I have the motor tuning for that motor done, and all the pin assignments and dir/step pins all set for it just like the other axis' (which all work).   Just can't get it to move with Y.

Secondly, I can't get my XHC MPG working.  I've tried using the built in plugin that comes with Mach4 and it says "No XHC devices found", and I also tried using the driver/plugin found here:https://www.machsupport.com/forum/index.php?topic=38524.0 without success.

Can anyone help me see what I might have missed?

Thank you!
James