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big sur works great or 4,1/5,1 !

4/30/2021

5 Comments

 
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.

Reply
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.

Thanks.

Reply
MacVidCards Europe link
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

Reply
Video Editor link
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.
But if all reports are positive, I might invest in a AMD video card and try to upgrade.

Reply
Michael Gabris
4/12/2022 06:18:29 pm

What wifi card do I need for Big Sur on my 5.1?

Reply



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