How can I connect two video cards to a Win Server 08 or Win 7 computer so that I can have up to three monitors for my desktop computer?

How can I connect two video cards to a Win Server 08 or Win 7 computer so that I can have up to three monitors for my desktop computer?

Do both of these video cards need to be made by the same manufacturer?

Currently I have two different video cards in the Win Server 08/Win 7 desktop computer.

Before I connected the second video card, the primary video card had two monitors connected to it: one DVI monitor and one standard SVGA video monitor.

As soon as I connected the second video card (which has a SVGA, DVI, and HDMI video ports on it--three different ports altogether) my computer stopped recognizing the primary video card and now recognizes only the new second video card that has been put in my computer.

I am hoping to be able to connect three monitors to my desktop computer (two on the primary video card that has the VGA and DVI video ports) and one DVI monitor on the new second video card.

I need all three monitors to work together so that I can scroll between them.

I am hoping to be able to do this without having to buy a Matrox video box (since these video boxes are expensive).

So how can I connect two video cards to a Win Server 08 or Win 7 computer so that I can have up to three monitors for my desktop computer?
IT GuyNetwork EngineerAsked:
Who is Participating?
 
Rob KnightConsultantCommented:
Hi,

Aside from AMD EyeFinity above, there are also Nvidia Quadro NVS card which support up to 4 displays at any one time:

http://www.nvidia.co.uk/object/desktop-nvs-uk.html

With regards to the AMD Eyefinity solution, you can purchase the Flex (5770/6450/6770) which provides 2 x DVI and 1 x DP or 2 x DVI and 1 x HDMI:

http://www.hardwaresecrets.com/news/Sapphire-Launches-Radeon-HD-6450-FleX/6119

http://www.hisdigital.com/un/product2-623.shtml

Another option would be to use a video card with a DisplayPort and use the following to support 3 attached devices:

http://www.amazon.com/StarTech-com-SP123DP2DVI-DisplayPort-Monitor-Adapter/dp/B003GS7ILW/ref=sr_1_23?s=electronics&ie=UTF8&qid=1326213272&sr=1-23

Regards,


RobMobility.

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ZShaverCommented:
it should work if you have the 2 cards installed, you should see all 3 monitors in display properties or the resolution screen. i'm wondering what models they are though and if they are nvidia or ati or what.
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IT GuyNetwork EngineerAuthor Commented:
I'll post that information as soon as I go back to the site where this computer is located.
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IanThCommented:
you can get eyefinety cards with 6 outputs these days although these are nbot cheap but you can get cheap 3 port eyefinety vidio cards and according to amds web site the driver works in 2008 and win 7
see
http://www.orgsoftcom.org/fileeyefinity-6.htm

and
http://www.amd.com/us/products/technologies/amd-eyefinity-technology/for-consumers/Pages/what-is-eyefinity.aspx
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IanThCommented:
the problem with displayport the only monitors that have displayport are very expensive like dell ultra's you can get adapters for hdmi monitors for instance their are active and passive displayport adapters and you have to get the correct one
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