Well better late than never! I have finally installed Big Sur on my 7020.
@trs96 kudos! Another GREAT guide. Flawless install using your instructions. I have yet to test iMessage, Airdrop, Handoff etc, but so far Wifi+BT works so that's a good start. I've got a lot to learn about OC, since I just went with your guided steps without doing my homework (I know, I know, I will go back and follow the links you very helpfully provided
. I just had a hankering' for doing another trs96-guided install. My main driver is still Mojave on the 9010 MT. I had postponed this 9020 because I had wanted a discrete graphics card such as the 570 or even 5500. But as everyone knows, I was too late to pull the trigger on a purchase before things got silly. So I am running with the 4600, and for giggles I installed the K600 just to see if it would work. It does. Same with my Firewire 400/800 by SiiG. (I have lots of old FireWire800 drives/enclosures which still work and are just fine for TimeMachine backups.).
I'll start testing some of the edge stuff, like all the USB ports, audio, Continuity, and try my hand at dual booting into Windows 10 (I'm hoping that is as simple as it has been for me on Clover).
Thank you again,
@trs96. I'm looking forward to a little bit of discovery. Maybe I'll move my daily driver over to this machine.