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AnsweredGTX 680 Mac Editon / Connecting 2 Samsung S27D590 / 1 not getting a signal

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robert_muench
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2015/03/06 01:47:02 (permalink)
Hi, I just got two S27D590 which have the following input ports:
1 x analog (VGA connector)
1 x HDMI
1 x Displayport
 
I connect the 1st monitor via HDMI which works fine.
 
I connected the 2nd monitor from DVI to the displayport like this: DVI -> DIV-MiniDisplayport -> MiniDisplayport-Displayport adapter
But I don't get any signal. I tried to use the DVI output on the slot with the HDMI / Displayport and the one on the separate slot. No luck. The monitor is not catching a signal.
 
System preferences show only one monitor as well. I'm running Yosemite on a MacPro 2008 early (3,1). 
 
Are there are any special restrictions on the ports of the GTX 680 Mac Edition card? Can I only combine 2 x DVI or HDMI & Displayport? I understood that I could connect up to 4 monitors to the card. Which implies that I can use all output ports.
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    rjohnson11
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    Re: GTX 680 Mac Editon / Connecting 2 Samsung S27D590 / 1 not getting a signal 2015/03/06 05:32:55 (permalink)
    I have referred this thread to EVGA support. 

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    ErinW
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    Re: GTX 680 Mac Editon / Connecting 2 Samsung S27D590 / 1 not getting a signal 2015/03/06 05:49:40 (permalink) ☼ Best Answerby robert_muench 2015/03/06 06:53:07
    If you're trying to use 2 monitors on that card, connect one with the native HDMI, and connect the other with a DP-MiniDP cable, or a DVI-HDMI cable. If you're trying to adapt DVI to DP, it won't work unless you have a rather pricey convertor like this one from StarTech.
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    robert_muench
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    Re: GTX 680 Mac Editon / Connecting 2 Samsung S27D590 / 1 not getting a signal 2015/03/06 06:53:01 (permalink)
    Hi, thanks. That was the problem: DVI to DP needs a special convertor. One can't use a DP to DVI convertor. That was my fault. I got a pure DP cable which now works.
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    troy14
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    Re: GTX 680 Mac Editon / Connecting 2 Samsung S27D590 / 1 not getting a signal 2015/03/26 22:31:02 (permalink)
    Thanks for the post, definitely helpful to have a solution (esp when coming from google :) )
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