macOS Big Sur Does NOT Boot with iMac14,2 System Definition

OK so macOS Big Sur Public Beta is now out, and we just wanted to clarify things a bit regarding system definitions. For years we here at Tonymacx86 have used iMac14,2 as the suggested system definition in MultiBeast- it was a basic trouble free universal default. Starting with macOS Big Sur , Apple has decided to drop support for iMac14,2 systems.

In order to test your system definition, navigate to the upper left corner and choose About This Mac. A window will open...

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