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Can report that Big Sur works great on the 4,1/5,1. Just need a newer GPU ! WiFi card needs to be updated as well.
Best way to do it is run the install on another machine that supports natively. I have done this using a TB enclosure with PCIE drive. There are apps to make this easier. But once installed, all that is required is: sudo nvram boot-args="-no_compat_check" This allows normal function. If you do an NVRAM reset, you will need to reapply.
5 Comments
MacVidCards Europe
5/1/2021 09:26:03 am
You can also use Patched Sur and it will work without any extra natively supported machines directly on Mac Pro 4,1/5,1.
Ivan
6/22/2021 06:47:49 am
Is there any way to upgrade the Nvidia GTX 780 6144mb that I bought from MavVidCards to work on Big Sure. Any help would be greatly appreciated. 7/4/2021 05:24:56 am
It works great under Big Sur. Just follow this guide: https://www.macvidcards.eu/installing-macos-big-sur-11-on-unsupported-mac-pro 2/24/2022 04:24:05 pm
Since it is such an important tool for me for video editing, I kept my 5,1 on High Sierra because I didn't want to risk messing it up and also have an nVidia video card.
Michael Gabris
4/12/2022 06:18:29 pm
What wifi card do I need for Big Sur on my 5.1? Leave a Reply. |
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