Got everything back working as before by following this post and replacing / dropping the DMAR tables.
https://www.tonymacx86.com/threads/success-gigabyte-designare-z390-thunderbolt-3-i7-9700k-amd-rx-580.316533/page-3246#post-2262129
Cancelled my order for a Mac Studio as plenty of life still...
Got my ASUS XG-C100C (AQ107) 10GBe card working by updating to the latest OC 0.8.0 with "Prefer Shikumo's Aquantia patch" commit.
https://github.com/dortania/build-repo/releases/tag/OpenCorePkg-fb28ce2
Adding the quirk ForceAquantiaEthernet = True to the plist along with DisableIOMapper =...
Yes I have just completed my change from Clover to OpenCore just now. All ok and running nicely.
I followed this guide carefully and installed OC to a USB stick and eventually booted from it. When all was running well I replaced the Clover EFI folder on my startup SSD with the OC EFI from the...
Current EFI attached for reference, using Clover 5118 and iMac19,1 with iGPU enabled as headless, graphics output using 5700XT card. Generate or copy over your existing serial numbers to the config file, random values exist within.
Native NVRAM needs to be enabled by disabling the BIOS cfg-lock...
F12d but I notice there are new beta BIOS (F12h) from Gigabyte uploaded June 2nd. Might have the cfg-lock disabled by default in these?
https://forums.tweaktown.com/gigabyte/28441-gigabyte-beta-bios.html
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