https://forum.amd-osx.com/threads/new-efi-b650e-r9-7950x3d-unable-to-get-mmio-in-oc-debug-logs.4389/post-28421 In this efi only change core count for 12 cores.
And after the change should work for you
The mmio just one on true so far in all x670 and b650 tested, asrock, asus, gigabyte.
X670 and b650 differ in the acpi names of the usb devices, and gigabyte It has the pwr bug of gpp7 if I'm not mistaken and it is solved with the rename.
Start well with ec0 off on ssdt, the real change and the core count patch in the first efi was 08 because I have 7700x and instead I had to put 10 because he has 16 cores 7950x3d and for this gki started immediately
In my efi sure will be added ports to the map usb kext, since the version itx has fewer ports, and then set as internal the third nvme if you mount it, for other I think everything works
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