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Multi Display setup & Gaming

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March 27, 2013 6:13:58 AM

I've used google and checked toms hardware forums, nothing has been very clear

Motherboard - Pegasus narra5
PSU - 550w
CPU - phenom x4 945 3.0

http://www.findlaptopdriver.com/pegatron-corporation-na...

3GB DDR2 Ram

1x 9800gtx

Prebuilt hp and upgraded, so bios is locked, plan on getting a new video card and monitor if my psu allows

Is it possible to Run SLI on a pci x16 and pci 1 , with 2x nvidia 210's for example and run a resolution spanning across all monitors for gaming

if im not mistaken,
  • running a 210 on the pci x 1 to power the displays wont allow multi monitor resolution , only extended desktop

    • More about : multi display setup gaming

    March 27, 2013 6:22:43 AM

    A pair of 210s has nowhere near enough power to game across 3 monitors. You need to look at more powerful, more modern graphics cards, and a motherboard that will offer at least x8 to each card.
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    March 27, 2013 6:25:15 AM

    if you want to game on triple monitor i wouldn't look at anything less then gtx670 or hd 7950....ideally a gtx 680 (4gb ver) or hd7980 3gb (or better)

    honestly though if you want triple monitor you should build a new pc meant to handle the extrem resolution. you won't end up happy IMO otherwise.


    aslo not you can't run a card in a pci 1 slot.
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    March 27, 2013 6:28:59 AM

    Ok, time for a new motherboard then? Could i get another 9800gtx and plug it in using the pci x 1 to pci x 16 adapter? would there be enough memory bandwith

    2 screens and 1900x resolution
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    March 27, 2013 6:36:02 AM

    no it won't and again you can't (or shouldn't if it did work) a 1x to 16x adapter. it will bottle neck any card you put in to the point of unusable.


    get a new mother board with 2 PCIe 16x slots.
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    March 27, 2013 6:36:59 AM

    anton3 said:
    Ok, time for a new motherboard then? Could i get another 9800gtx and plug it in using the pci x 1 to pci x 16 adapter? would there be enough memory bandwith

    2 screens and 1900x resolution


    No, you'd still be throttled by the x1 interface. You really need a x8, or better, interface to start with to support a half decent graphics card.
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    March 27, 2013 6:43:21 AM

    Or you could just sell the computer before you mess with it and save up for a custom rig. you can get a nice one for about 655$ if you get it all on sale.
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    March 27, 2013 6:57:04 AM

    pauls3743 said:
    anton3 said:
    Ok, time for a new motherboard then? Could i get another 9800gtx and plug it in using the pci x 1 to pci x 16 adapter? would there be enough memory bandwith

    2 screens and 1900x resolution


    No, you'd still be throttled by the x1 interface. You really need a x8, or better, interface to start with to support a half decent graphics card.


    I'm not sure you NEED 8x or higher, for instance if you take a look at the PCI-E scaling article http://www.techpowerup.com/reviews/NVIDIA/GTX_480_PCI-E... you can notice that PCI-E 16x vs 4x only loses about 7% of it's performance, and only at lower resolutions. As higher resolutions (which infers multi monitor setups) are used the gap decreases as the amount of work shifts toward the video card down to about a 5% difference. This impact on today's video cards would be even less if you had PCI-E 3 support since the bandwidth is essentially doubled.

    As for the OP, I do agree with what the others have been saying. In order to game at extremely high resolutions (like 3x1920x1080) you need some seriously powerful video power. At the bare minimum you'd probably be looking at a 7870 or 7870xt, which can drive all three monitors off of one card, but I doubt you'd be happy with the performance when it has to push 6.2 million pixels a frame (though that setup would still completely crush the 2 low powered cards you mentioned).

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