How many adapters does it take to hook a 24" ACD to an older Mac?

Discussion in 'Mac Accessories' started by bouncingsoul, Jul 21, 2010.

  1. bouncingsoul macrumors newbie

    Joined:
    Jan 23, 2009
    #1
    I got the 24" display for my older iMac with Mini DVI.

    I thought Apple would have a Mini DisplayPort to Mini DVI adapter, but all they have are Mini DisplayPort to DVI, and DVI to Mini DVI.

    If I chain both of those adapters will the 24" ACD work with my iMac?

    Why isn't there is single adapter for Mini DisplayPort to Mini DVI? I thought Mini DVI was the most common port across the Mac line until the recent switch. :confused:
     
  2. jdechko macrumors 68040

    Joined:
    Jul 1, 2004
    #2
    No your idea won't work. You'd need the mini-DVI to DVI adapter and something like this: http://estore.circuitassembly.com/products/DVI-to-Mini-Displayport-Adapter.html.

    The reason that the Mini-DP to DVI adapter works is that DP is backwards compatible (electrically speaking) with DVI, while DVI (mini or otherwise) is not forwards-compatible with Display Port.

    Adapters (more specifically, converters) like the one to which I linked are available, but they're all going to be pretty expensive ($100+).

    Sorry.
     

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