Have ATI 5750 in PC - if upgrade can MP 3,1 use?

Discussion in 'Mac Pro' started by bobreborn, Sep 25, 2014.

  1. bobreborn macrumors member

    Jan 30, 2014
    I heard that one of the recent OS's let us use a lot more GPU's and not require EFI. So I have 3 questions.

    1) can I use the 5750 I have in my MP3,1
    2) can I use it and leave the current 2600 in there but default to the 5750
    3) can I flash the 5750 to be proper efi/apple happy?

    Thanks bunches
  2. bobreborn thread starter macrumors member

    Jan 30, 2014
    Interesting. Doesn't sound quite as easy as others made it out to be, and since I use it for audio production any odd sound issues are an absolute no go for this guy. Thanks!

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