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Friday, February 10, 2012

Multiple "Legacy" DVI Displays with new Macbook Pro via Thunderbolt?

There's incredibly little info out there about anyone connecting multiple "old" (non-Thunderbolt) displays to a new macbook pro (equipped with a Thunderbolt port). I've even been corresponding with some hardware manufacturers and even they are not sure.

I need to re-create this scenario, but with thunderbolt crap I guess. Here's some crude ASCII art illustrating a possible (the most likely?) scenario.

macbook pro 
(is also display 4)
        |
        |
   (thunderbolt)
        |
        |
        V
 2-port Thunderbolt 
   to PCIe adapter ---> (daisy-chain, thunderbolt-to-dvi) --> display 3
  with 2-head card
  |            |
  |            |
(dvi)        (dvi)
  |            |
  |            |
  V            V
display 1   display 2

3 comments:

  1. I've a similar question. I've got a Mac book Air (love it) but would like to have more than 1 external display. So far the Thunderbolt port is "retro-compatible" with my older external monitor and surprisingly the old mini-display adapter I have.

    ReplyDelete
  2. Same here. I want to get two of the Dell 27" or 30" monitors rather than Thunderbolt displays, but aren't sure it'll work.

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  3. Your only choice is USB. Super, super lame. I am very disappointed with thunderbolt, at least as far as displays are concerned. I ended up shelling out the $1000 for a thunderbolt display, assuming I could daisychain a thunderbolt-to-DVI adapter off the display itself...but small print in the instruction manual disabused me of that silly notion. The only daisychain-able display is another thunderbolt monitor! Yet another $1000. And...that won't work for MB airs, AND, with MB pros the max is 2. Basically, there is NO support for multiple legacy monitors. Except USB, which is soooo slow. I am using the Sewell Minideck USB solution, and it's about as good as you can do with a USB driven display.

    ReplyDelete