OpenCore 0.7.8
Working EFI folder for running BigSur on AMD Ryzen 5900x | AsRock Taichi x570 Now with internal airport disable, Fenvi t919 installed.
Edit Platform Info and DeviceProperties for storage. Set BIOS as indicate in Dortania’s guide Use BIOS 4.60; use sleepwatcher, https://www.bernhard-baehr.de/ , for wake problem concerning bluetooth
PS: AMD patch is setting for 12 core processor