r9-280x 6gb

  1. delToro

    R9-280X 6GB Successful Boot on Mavericks & Snow Leopard

    Radeon R9-280X 6GB GA-x58a-ud3r 24 GB Ram i7 940 4K LG 40UB8000 1. I successfully upgraded from Snow Leopard to Mavericks 10.9.5 on new SSD. No problem w/ Mavericks. 2. Am booting successfully into previous Snow Leopard drive on the R9-280X 6GB, but my only resolution choice is 1024...
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