Oh, for completeness - the only change in this time that I know of is this morning I couldn't get it out of 'estop activated', and finally found the switch for it and set it active low (there is no estop on the machine, instead there's a power kill that just drops voltage to everything), and am now wondering if I reset all the settings when I did that.
The other thing I did was buy a license, and install the license file. 8c/
And FWIW it's parallel port 1, I can see the driver board and see where wires go, it's a simple 3 axis servo setup.