I used the same PlatformInfo SMBIOS data as was in your original EFI. So which version of macOS are you installing?
The MacPro7,1 SMBIOS is supported when running or installing Big Sur and Monterey.
Try this revised EFI, which has SMBIOS data for a MacPro6,1, which has been checked against Apple Support page, it is not being used by a real Mac. Nothing else has been changed.
I used the same PlatformInfo SMBIOS data as was in your original EFI. So which version of macOS are you installing?
The MacPro7,1 SMBIOS is supported when running or installing Big Sur and Monterey.
Try this revised EFI, which has SMBIOS data for a MacPro6,1, which has been checked against Apple Support page, it is not being used by a real Mac. Nothing else has been changed.
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