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USB to parallel port not supported at all, don't an option.
Any other USB motion control are not supported.
All supported Mesa boards can be found on their website. You can also browse the forum to see what boards are popular at the moment.
For the DIY route Ollie's Linuxcnc- RIO project is fantastic, well supported and in active development as is Scott's Remora Project.
I've also been working on a setup that uses FPGA Dev board available via AliExpress that runs Mesa's hostmot2 firmware, ATM it only uses SPI interface for the Raspberry Pi or EPP for the PC platform, tho I'm currently working on an ethernet plugin board.
In all honesty if it wasn't so expensive to get items from the US to Australia I'd go with Mesa in a heartbeat. What board just requires at little time researching, coming up with a couple of choices then asking a few questions, the 7i76 boards pretty much have it all.

Seems like an issue with languages/locales, or missing translation to Russian.
Try to set locale to UTF-8, see if that helps, if not, then short of installing it again in English i am out of ideas.
I did test on my Laptops, Axis works, even the parallel port config works despite not having a parallel port.

You can test everything, even run machines, without installing LinuxCNC, just boot from USB in Live mode and run the sim configurations included, or use another USB or the internal HDD if you want to actually run the machine, again without installing anything.

I am still working with version 2.8.4. I wanted to test what version 2.9.4 can do better and installed it in parallel.

The good news is im open to hardware options!

PC and Parallel - I have an older PC with the Parallel port that i could use... (I read that a USB to 25pin is no good for latency, so not going that route, this has the port!) 

Mesa - I know of it. seems good if the setup is more straightforward. Looks like they run about $100 to $300. Do you happen to know a PN or feature so i can look that up?

Cheap stuff maybe just to test on? there is also some USB styles... but i dont think they place nice with Linuxcnc?
www.amazon.com/Controller-100Khz-Breakou...08BJTB1GQ/ref=sr_1_6

What kind of io hardware are you using? Parallel port, Mesa cards, or something else? For example many Mesa io boards offer settings to use some of the regular inputs as hand wheel encoder inputs.

Yes --> "hand wheel inputs with encoders to "manually" move your stepmotors" via linuxcnc. and if it misses a step or two from my hand_encoder to the linuxcnc/DRO, no big deal as me (the human) will stop turning when the DRO shows the number im after. I get there may be backlash depending on the ball leads I use. question for another post. Unless its a deal breaker now.

for this one --> "adding encoder feedback to your axis to feed back the position" my plan is to use steppers with motor_encoders for feedback to the stepper driver. So closed loop driver-to-stepper but open loop to Linuxcnc to driver. I may be off here.

so silly question, but if i were to turn the X and Y at the same time, it will do a 45deg ish travel? they are both non blocking?