Use sanity checker set for 0.6.6
OC 0.6.8 will just complain with notice of a few No schema lines take note and remove those from config.plist.
Also the online guide and configuration and differences docs are helpful.
My understanding is they are moving settings that do not change, no matter...
It can be.
You most likely will have to modify the MMIO whitelist.
That area even has to modified after any BIOS updates, as well.
It's complex. I only found out about on another site.
There is also a section under platform that is used to fix Mac Pro 7,1 throwing max memory notification.
I use Carbon Copy Cloner with no issues
in fact I was forced to use a clone to restore Big Sur do to accidently wiping the Big Sur NVMe SSD while trying to install Windows 10. I did not loose anything critical. Just note USB HDD Are slow
Just got it running Big Sur 11.3 via OpenCore 0.6.8
AMD Threadripper 3970x
Gigabyte Designare ver 1.0
Sapphire Pulse+ RX5700XT
128GB DDR4 3600
Western Digital 2TB black NVMe SSD
Fenvi T919 for Wifi and BT
Samsung C49G97T Odyssey DQHD 49" curved LCD Display
updated efi with latest...
The other solution is to acquire the Wifi/BT adapters that are natively supported
For motherboards with built in Wifi BT is M.2 NGFF WLAN BCM94360NG
You will have to install it in place of your current Wifi/BT module.
For those that have TP-Link WDN4800 PCI Card use a Fenvi T919 or another...
If your motherboard has the thunderbolt header and it matches Gigabytes header get a GB Titan Ridge thunderbolt 3 card and flash it per instructions on here
I have a Titan Ridge TB3 v2.0 card did the flash and ssdt-tb3 creation per the guide and works great on my Gigabyte Z390 pro display port...
OpenCore is just the boot loader and turns over the hardware to macOS and has no control of the system once the OS loaded and running
use the Opencore Sanity Checker to verify you have the config.plist correct.
make sure you using thde recommend acpi ssdt as well