Thank you for your quick answer!
I already tried to do it with this guide. But most of the things did not work (or i did not understand them as well)....
Hey everybody,
i've got some problems with my AMD Radeon R9 390.
Everything is working well, but the screen is flickering.
In the options i saw that OSX is using just 5mb of my vRAM.
But how can i change it? I already tried to install the .ROM file of my GPU,
but i did not know how it works...
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