Target display mode of imac 5k

Discussion in 'iMac' started by su0301, Oct 26, 2014.

  1. su0301 macrumors newbie

    Joined:
    Jul 25, 2012
    #1
    I know it is not supported now. But is it possible to get supported by firmware update, or it must be a hardware update to allow target display mode? If the later is the case, iMac 5k sounds a deal breaker to me.
     
  2. thedeske macrumors 6502a

    Joined:
    Feb 17, 2013
    #2
    Hardware, so NO
     
  3. macmee Suspended

    macmee

    Joined:
    Dec 13, 2008
    Location:
    Canada
    #3
    debatable
     
  4. turbineseaplane macrumors 68020

    turbineseaplane

    Joined:
    Mar 19, 2008
    #4
    Not possible as current thunderbolt controllers can't handle the bandwidth and that's one reason there's no external retina 5K display.

    A future retina iMac will be able to do this but it's going to be with thunderbolt 3 and or display port 1.3.

    None of those technologies will come by firmware update.
     
  5. macmee Suspended

    macmee

    Joined:
    Dec 13, 2008
    Location:
    Canada
    #5
    Technically can't they give us an update to support using it as a display in 2k or 4k mode? Thunderbolt can handle that.
     
  6. turbineseaplane macrumors 68020

    turbineseaplane

    Joined:
    Mar 19, 2008
    #6
    I suppose.
    Only they know exactly what they did with that custom timing chip.

    I wouldn't buy it if counting on some future update to enable more functionality.
    That's not really an Apple thing to do usually.
     
  7. Vladislav macrumors regular

    Joined:
    Oct 28, 2011
    #7
    i thought non retina IMAC with 1440 its already a 2k screen? No?
     
  8. macmee Suspended

    macmee

    Joined:
    Dec 13, 2008
    Location:
    Canada
    #9
    Yep, I mean perhaps some day Apple will give us a firmware update to allow us to use the 5k imac in target display mode *up to* 2k.

    This might be impossible, I don't know how the internals look, but a guy can dream.
     

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