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radeon hd 7950

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    Radeon HD 7950 on MacPro 3.1 and High Sierra

    Radeon HD 7950 (modded to 5GT/s and flashed for bootscreen) works on my Mac Pro 3.1. Today, I just updated OS to 10.13.6 using dodsude mod startup flash (Radeon 79XX series patch checked) and now my OS glitches, works slowly. But worse than all is that Final Cut Pro 10.4.5 won't start: What...