@ejh4286 you have a number of issues in your OC setup, EFI from post #73. Below are two screenshots showing AMD OC EFI folder trees. The first is from your EFI in post #73, the second is how I would configure the EFI.
The most likely cause(s) for the system not shutting down are related to the USB configuration.
You have a mis-configured USBPorts.kext, a USBMap.kext (with USBTooBox.kext?) and the XhciPortLimit quirk enabled. You only need one of these three USB options, never all three.
The USBMaps.kext looks as though it is more correctly configured than the USBPorts.kext. Although it has the wrong SMBIOS Name for the system you are using, so it won't work. You need to edit the USBMap.kext/Contents/Info.plist to remove the MacPro7,1 name and replace it with iMac20,1 name, in two locations for each USB controller. This is a common issue when changing SMBIOS for your Hack and very easily forgotten.
You need to delete the USBPorts.kext and disable the XhciPortLimit quirk. The USBToolBox.kext is an orphan, it won't work with USBPorts.kext or USBMap.kext it requires UTBMap.kext to be of any use, so it should also be deleted.
You have a number of kexts in your setup that are not used, i.e. are set as false in the config.plist. I would recommend deleting the kexts and config entries to clean up your setup, so it is easier to identify any issues.
You are missing the IntelBTPatcher.kext, which is required in recent versions of macOS for Intel BT modules to work correctly. I would recommend adding this kext and making sure the IntelBluetoothFirmware.kext you are using is from the same release.
You have a number of DeviceProperties in your config.plist, these are known to cause issues when using NootedRed.kext, so I would recommend deleting the four (4) device properties and using alternative methods for adding the Audio layout ID, Ethernet enabling, WiFi identification plus whatever the other device is you are setting as built-in.
You don't have the
Kernel >
Emulate >
DummyPowerManagement entry enabled in your config.plist. This is an essential option for any AMD system and should be set to True, not False.
You have three (3) entries under the
Misc >
Entries section in your config, but none are enabled. I would recommend deleting these three entries, as they do nothing useful for your setup.
The SSDT-EC-USBX-Desktop.aml table you are using is a generic ACPI table which is used as a catch-all option when first installing macOS. It contains a lot of Intel settings, which your system would never use. There is an alternative SSDT-EC-USBX-AMD.aml table that is specific to AMD systems, which I think is a better option when first installing macOS.
As a longer term option you would be advised to download Corpnewt's SSDTTime-Master folder and use his python script to generate a number of custom SSDT's for your system, using your system DSDT.aml table as the base for the custom SSDT's. The custom SSDT's will be a much better match to your system and will be quicker when loading/being read. See the guide below for how to use the script.
Creating custom SSDT's for your system should be done using Corpnewt's SSDTTime python Script and the system DSDT.aml table. First thing you need to do is get a hold of your system DSDT.aml. The easiest way to do this is to use Hackintool. Download and copy the Hackintool app to the...
www.tonymacx86.com
I have attached a revised EFI that incorporates all the changes I recommended, bar the Corpnewt SSDT option.
Testing/Booting Revised EFI:
If you want to try this revised EFI, simply add your Serial Number, MLB and SystmUUID data to the revised config.plist. Don't make any other changes to the setup.
Copy the revised EFI folder to the EFI partition on a spare USB pen drive, which has been formatted HFS+. Then boot from the pen drive to test the EFI.
Don't replace your current EFI until you are sure the revised EFI works and boots without any issues.
You will need to use the ResetNvramEntry.efi option of the first boot with this revised OC setup.
- Simply boot from the USB pen drive, press the Spacebar when you arrive on the OC boot screen (GUI),
- This will unhide the tools and drivers contained in your OC setup.
- Select the ResetNvramEntry.efi and the system should automatically reboot.
- Select your USB pen drive from the system Boot Menu again, and
- This time boot in to macOS using the revised EFI.
Hope this is helpful.
