Unfortunately I haven't successfully installed OpenCore yet. Listing out my install process.
1. Follow dortania's guide and create USB with 12.3.1
2. Download your OpenCore 0.7.9 EFI and use GenBIOS to get fresh iMacPro1,1 serials
3. Input serial, board serial, UUID, and ROM into config.plist and save.
4. Double check that my config.plist has updated serials
5. Unmount EFI and shutdown
6. Make sure to have removed GPU and other boot drives from mobo
7. Power up and change BIOS setting in accordance to dortania's Intel BIOS settings tab. When I disable CSM and reset, my monitor illuminates but remains black, no image at all. I had disconnect all power and pop the battery out of the mobo just to get it to restore settings and show an image. I also didn't disable CFG Lock which I don't see an option for in the Z370 BIOS menu. I saw it was turned off in your config.plist so I didn't change it. Basically I tried to do what dortania says for Coffee Lake BIOS settings but I don't feel confident about it. Did you follow their Disable/Enable list?
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- After BIOS settings I boot to USB, I get the OpenCore picker and select Install macOS Monterey.
- The verbose goes for a bit but stops after multiple lines of this and fails..
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Dortania's say if you get this to turn off XHCIPortLimit but it's already False on the EFI, so I don't know what causing this USB port issue.
Anyways, sorry for the lengthy post. Any idea's as to how to get through this would be very much appreciated. Installing OpenCore is proving to be a big learning lesson but after coming this far I'm set on getting it working. Thanks again.