I would give wine a go at the configuration manager. You can't hurt the PMC8. If the comms work you are good.
Also you could bootcamp your Mac and run windows to use ascom etc if you wish. I use my Mac mini and it works great.
Wes, Southport NC
PMC-8, ES ED 127, 10" LX200GPS, Astro-Tech 8" Newt, ETX-90
Polemaster, Orion ST-80 and SAG
Electrical Engineer, Retired