Originally Posted by The Pook
you don't need two drivers, just install 419.35. it's the latest driver for both cards. it'll detect both and work just fine. I ran a 1060 + 950 + 7850 just fine when I used to fold.
Even if the cards needed separate drivers (they don't), just install both drivers.
I read several other threads on having two different GPU's and was confused by TheHorse's post so thanks for firsthand info and confirmation.