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[SUCCESS] Gigabyte Designare Z390 (Thunderbolt 3) + i7-9700K + AMD RX 580

Technically, the OpenCore EFI folder can be installed in any EFI partition. We just need to boot the OpenCore EFI so that the OpenCore Boot Picker appears. So it's not strictly necessary to copy that folder to EFI partition of USB flash disk, but I typically do that because it allows me to easily move that USB disk to another system in order to fine-tune the EFI configuration.


Feel free to compress and post the entire EFI folder here. Just remember to remove serial numbers from PlatformInfo -> DataHub before compressing and posting.

You're always welcome to create a brand new EFI configuration. The Dortania guide is the place to start.
EFI folder attached. I also get the following warning when opening OpenCore Configurator. I also attempted to follow the link through to HackinDROM in the mini guide post but the post with the download link for HackinDROM appears to be missing
 

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EFI folder attached. I also get the following warning when opening OpenCore Configurator. I also attempted to follow the link through to HackinDROM in the mini guide post but the post with the download link for HackinDROM appears to be missing
I've updated OpenCore to 0.8.8, which means config.plist should be edited with OpenCore Configurator 2.65.0.0 (latest version). Please copy serial numbers into PlatformInfo before trying this EFI folder.

Also double-check all BIOS parameters by comparing them to the settings prescribed in Post 1. Feel free to try installing Monterey with this EFI folder (it may be necessary to change SecureBootModel to Default for Monterey).
 

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  • EFI.zip
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I've updated OpenCore to 0.8.8, which means config.plist should be edited with OpenCore Configurator 2.65.0.0 (latest version). Please copy serial numbers into PlatformInfo before trying this EFI folder.

Also double-check all BIOS parameters by comparing them to the settings prescribed in Post 1. Feel free to try installing Monterey with this EFI folder (it may be necessary to change SecureBootModel to Default for Monterey).
I tried this EFI folder and still no luck. The bigger issue now is that I can't seem to boot into catalina on my system drive from Clover or OC. Trying to boot from The OC EFI folder on a thumb drive seemed to have done something to my clover configuration. is that possible?
 
I tried this EFI folder and still no luck. The bigger issue now is that I can't seem to boot into catalina on my system drive from Clover or OC. Trying to boot from The OC EFI folder on a thumb drive seemed to have done something to my clover configuration. is that possible?
  • OpenCore boot loader is independent of Clover; OpenCore does not modify macOS itself
  • We can always recover from our bootable backup disk
Other options:
  • Double-check that you're running BIOS F9i
  • Install Monterey on a new SSD using the OpenCore EFI folder
  • When Monterey is installed, we can either:
    • Use Migration Assistant to copy applications and documents from the old SSD
    • Reinstall our applications and manually copy our documents from the old SSD
Later today I can use the same EFI folder and attempt to install Catalina on my Z390 Designare Test Bench. That will tell me whether the EFI folder is okay.
 
Hi, I have had this build for some while, and running MacOS 10.14.6 - everthing works good! If I want to upgrade to 10.15 / 12 / 13 - some apps require 10.15 that I want to use - Is there a easy way for me to upragde to minimum 10.15 or higher?
 
Hi @CaseySJ, Hi All,
I created the installation USB drive for macOS Monterey using the folder You provide (Thanks!:)) in the Opencore 0.8.3 Mini-Guide (choosing the AMD-GPU config.plist file and setting the System Product Name with iMac 19.1 as in my current system).
Unfortunately, testing it before starting the installation I verified that trying to boot Windows 10 Pro from Opencore menu the system seems to stop at the "Gigabyte" boot screen. Instead it seems to work for booting Ubuntu.
Currently my multiboot system on separate drives (Windows 10, Ubuntu, macOS Catalina/macOS Big Sur) based on Opencore 0.70 works fine with all OSs.

Has anyone experienced the same problem?
Any idea how to fix it?

Thanks in advance for Your help
 
Hi @CaseySJ, Hi All,
I created the installation USB drive for macOS Monterey using the folder You provide (Thanks!:)) in the Opencore 0.8.3 Mini-Guide (choosing the AMD-GPU config.plist file and setting the System Product Name with iMac 19.1 as in my current system).
Unfortunately, testing it before starting the installation I verified that trying to boot Windows 10 Pro from Opencore menu the system seems to stop at the "Gigabyte" boot screen. Instead it seems to work for booting Ubuntu.
Currently my multiboot system on separate drives (Windows 10, Ubuntu, macOS Catalina/macOS Big Sur) based on Opencore 0.70 works fine with all OSs.

Has anyone experienced the same problem?
Any idea how to fix it?

Thanks in advance for Your help
This is a well known issue that affects some, but not everyone. We can disable AppleVTD by following the steps in this post:
Ethernet devices in Monterey and Ventura will likely not work when AppleVTD is disabled.
 
This is a well known issue that affects some, but not everyone. We can disable AppleVTD by following the steps in this post:
Ethernet devices in Monterey and Ventura will likely not work when AppleVTD is disabled.
I tested the changes You suggested and now Windows 10 boots normally, many thanks again:thumbup:.
I would like to ask:
- can disabling AppleVTD in the config.plist file and enabling VT-d be done before installing macOS Monterey without causing problems, or should it be done during post-installation?
- If with this configuration the ethernet devices won't work is it possible/advisable to enable Intel WiFi and Bluetooth following the procedure suggested in Your Opencore 0.8.3 Mini-Guide before installation or after installation is complete?
- Do you think this problem can be overcome by next updates in Opencore?
 
I tested the changes You suggested and now Windows 10 boots normally, many thanks again:thumbup:.
I would like to ask:
- can disabling AppleVTD in the config.plist file and enabling VT-d be done before installing macOS Monterey without causing problems, or should it be done during post-installation?
It's okay to keep VT-d enabled in BIOS all the time. You'll still be able to boot Windows and macOS via OpenCore. On some systems, Windows fails to boot via OpenCore if we drop the standard DMAR table and replace it with our modified SSDT-DMAR.

- If with this configuration the ethernet devices won't work is it possible/advisable to enable Intel WiFi and Bluetooth following the procedure suggested in Your Opencore 0.8.3 Mini-Guide before installation or after installation is complete?
It is still possible to get Intel i225-V and Aquantia 10GbE to work when AppleVTD is not enabled:
  • For i225-V:
    • Monterey -> just add boot argument e1000=0
    • Ventura -> we need to add the same boot argument and also inject AppleIntel210Ethernet.kext from Monterey into Ventura
  • For Aquantia 10GbE:
    • Monterey and Ventura -> we need to add kernel patches available from my GitHub repo:
 
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