Can I use two 30" monitors on a 5770?

Discussion in 'Mac Pro' started by Mactrunk, Feb 24, 2013.

  1. Mactrunk macrumors regular

    Joined:
    May 12, 2005
    #1
    Running a 3,1 8core 2.8.
    Will the Radeon 5770 accommodate two 30" monitors?
    Thanks
     
  2. Macsonic macrumors 65816

    Macsonic

    Joined:
    Sep 6, 2009
    Location:
    Earth
    #2
    I think you can have 2 30" monitors with Radeon 5770. Though if you connect the other monitor to the mini-display port using a passive adaptor, you maximum resolution is just 1280x800 . I have one 30" monitor and try connecting it to the mini-display port using a passive adaptor and the maximum resolution is only 1280x800. Here is a related link http://support.apple.com/kb/ht3571

    One solutiion as people are saying though I have not tried this is to buy an active adaptor lke this one: http://store.apple.com/us/product/MB571Z/A/mini-displayport-to-dual-link-dvi-adapter?fnode=53
     
  3. Bwa macrumors 6502

    Joined:
    Jun 20, 2007
    Location:
    Boston & San Jose
    #3
    Yes; I run three on a single 5770. If they are DVI monitors, such as the Apple 30", you will need two active DisplayPort->dual-link DVI adapters, as mentioned above.
     
  4. MacProFreak macrumors regular

    Joined:
    Feb 14, 2013
    #4
    Correct. I have two 30" LP3065 monitors and I don't like this "active" apple DVI adaptor that is necessary when using the 5770. That's why I'm shopping for a card that has two DVI-D outputs.
     
  5. GermanyChris macrumors 601

    GermanyChris

    Joined:
    Jul 3, 2011
    Location:
    Here
    #5
    Yes, it'll be fine.

    just pick up the Apple adaptor I've had one now for four years without issue
     
  6. Chumnick macrumors newbie

    Joined:
    Dec 1, 2011
    #6
    Can tell me, which Apple adaptor are you using?
    Thanks.
     
  7. GermanyChris macrumors 601

    GermanyChris

    Joined:
    Jul 3, 2011
    Location:
    Here
    #7
  8. nigelbb macrumors 6502a

    Joined:
    Dec 22, 2012
    #8
    The Apple MDP->DVI adaptor can be problematic with non-Apple displays & full support is only claimed when used with an Apple Cinema Display. 3rd-party adapters may be more reliable.
     
  9. MacVidCards Suspended

    Joined:
    Nov 17, 2008
    Location:
    Hollywood, CA
    #9
    I have had good results with that adapter but I have an Apple 30'
     
  10. MacProFreak macrumors regular

    Joined:
    Feb 14, 2013
    #10
    PM sent about GPU inquiry.
     

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