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rx 470
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M
RX 470 Graphic Acceleration
Just installed a MSI RX 470 ARMOR OC 8GB card in my 2009 Mac Pro. Works right out of the box except for it appears as R9 XXX in About and as far as I can tell it is only operating at PCIe 1.0 x16. I was able to "fix" about by editing the controllers so it says RX 470 now but haven't fixed the...