Yes I read that you'd moved to 1,1 for that reason, I also followed suit even though I had little to no issues with 19,1 just the fact that I had a dedicated GPU seemed to be the best route and I'd read about the improved stability.
I don't have the Beta bios you have obviously, would certainly be easier to have the option in the settings menu I guess but in reality once its setup and the profile saved there should be no future issues..
Why would that option be removed from a bios in the first place do you know?