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Was digging around the office and found one of these:

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I've noticed a lot of single head ATI cards supporting dual monitors via a DVI splitter as seen here:

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On this particular V3600, there are two DVI dual link outputs. Would it be possible to hook up two DVI splitters and run four monitors?

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Each of the two dual-link outputs can provide a maximum resolution of 2560 x 1600, or about 4 megapixels. Unfortunately, I believe this is limited to a single (but high resolution) display, per output. Page 2 of this PDF describes that two V3600 cards are required to support four 3D-accelerated monitors.

DVI splitters almost always mirror the output to two displays. An exception to this is that some video cards (particularly on Dell PCs) come with a Low Force Helix connector and a special "splitter" cable, which looks like this:

enter image description here

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For clarifications sake, some Dell PCs come with a standard (not a non-standard) connector which allows two monitors to be connected to a single output port. This is called the Low Force Helix connector which uses a DMS-59 connector on the cable which connects to it. This is not Dell specific, this is a standard used by other companies and this non proprietary / open standard that anyone can implement. See en.wikipedia.org/wiki/Low_Force_Helix –  jetole Jan 12 '11 at 21:49
    
@jetole Well spotted! –  sblair Jan 12 '11 at 23:00

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