Friday, January 10, 2020

MacPro3,1 and Catalina macOS10.15.2

Everytime there is an update pushed out by Apple I tend to apply it and update my system.
My system being a MacPro3,1 early 2008 with a half ass supported or not quite supported graphic card is really a pain in the rear end when it comes to upgrade.  Mainly, I can't get in all those necessary reboot modes without the EFI or boot rom for the graphics.  So I have to pull the card and plug back in the original card which is mildly painful.  Everything adds up.  And in the end, what seems like a rather straight operation invariably ends up like life or death, at least for the system, operation.  Usually it spans for hours to get it done.

Again, it's a dosdude1.com patch.
download the patch
download the full Catalina install from Apple via the patch
create a Catalina bootable USB finger using the patch
reboot from the USB
And good luck.

Somewhere along those steps something will happen I guarantee you that.

I am not on macOS 10.15.2 after hours of patching ...

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