Big Sur on Z170X mobo with OpenCore : failure

Hi all
My Sierra install had been running flawlessly since 2017 (Gigabyte Z170X G1 Ultra Gaming, i7 6700K) but in late june, the graphic layer conked up and all I was left with was an OS with no hardware acceleration. Chrome with bands across the pages when loading, Davinci Resolve unable to even launch because no GPU found...
So I decide to upgrade but my trusty GTX1060 isn't supported anymore so I get myself a 5700XT.
I opt for OpenCore as everyone seems to say it's the better option. I...

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Author: pgp101