I have Mach on all my machines, the two that I bought that were still running, the big lathe and the Beaver mill had old controls. The one on the lathe only had LCD lines for X and Z, it was a GE1050 control. The Beaver was a Heidenhain 145 which could only MDI one axis at a time.
Here is the lathe I bought, you can see a pic or two of the GE control
Hood