video out on mbp

Discussion in 'MacBook Pro' started by nojustrad, Jul 22, 2007.

  1. nojustrad macrumors newbie

    Joined:
    Jul 22, 2007
    #1
    So i know the mbp has dvi out, but i was wondering if it is possible to use my old iMac (g5 pre intel 20") as an external display... and would i need more video ram (the 256 upgrade) to use an external display such as my imac or hdtv using a dvi to hdmi dongle.

    thanks:)
     
  2. siurpeeman macrumors 603

    siurpeeman

    Joined:
    Dec 2, 2006
    Location:
    the OC
    #2
    the problem, i think, is that your imac doesn't have dvi-in. if your imac does have a video port, it's for video-out, meaning you can put your imac images on an external display, but you can use the imac's display as an external for your mbp. somebody please correct me if i'm wrong.
     
  3. gr8tfly macrumors 603

    gr8tfly

    Joined:
    Oct 29, 2006
    Location:
    ~119W 34N
    #3
    Only the original iMac had a standard SVGA (15-pin) connector between the main and video boards. I believe you can just plug an extension into the video card side and drive it that way. Other models don't have that ability, AFAIK.

    edit: btw, the connector is internal
     
  4. iToaster macrumors 68000

    iToaster

    Joined:
    May 3, 2007
    Location:
    In front of my MacBook Pro
    #4
    Crack open the iMac and do what they told you is you best bet (don't really crack it open, be careful). The VRAM will be fine, any MBP can power the awe inspiring 30" ACD at full resolution, so anything will be fine.
     
  5. nojustrad thread starter macrumors newbie

    Joined:
    Jul 22, 2007
    #5
    so the extra 128mb on the upgrade doesn't do much besides run games better?
     
  6. deadpixels macrumors 6502a

    deadpixels

    Joined:
    Oct 30, 2006
    #6
    i believe it makes also a difference if you run two external displays.
     

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