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dual graphics cards

Discussion in 'Hardware' started by martindewy, Aug 26, 2012.

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  1. martindewy

    martindewy Thread Starter

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    I am building a dell precision workstation t7400 it has 2 PCIe slots for dual gpu's , do both cards have to be identicle in make,model and memory :confused:
     
  2. matthewdownloads

    matthewdownloads

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    Hi, a couple of years ago I was running dual cards so I can spread some light on this.

    Generally, unless you are using NVidia SLI (or the ati equivalent) then NO they do not have to be the same card. If you just want extra VGA/DVI slots for extra monitors then you can just stick in a basic secondary card.

    However, make sure they are the same brand. Don't mix ATI/NVidia, because often the drivers fight and it won't work or you'll be stuck in 640x480.

    You can also use the basic PCI slot with a basic card for extra monitor slots.
     
  3. martindewy

    martindewy Thread Starter

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    thanks mathewdownloads
    i have a "nvida GeForce 210 1024mb DDR3" and a "nvida GeForce GT520 1024mb SDDR3"
    will these both work together
     
  4. Triple6

    Triple6 Moderator

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    They will both work but not in SLI mode, not even sure either of these cards support SLI as they are entry level cards. Whats the intended use of this workstation? Does it need to support more then two monitors?
     
  5. matthewdownloads

    matthewdownloads

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    Yes, they will both work together. The NVidia drivers work for all the Nvidia cards as standard, so just get one card working, then just add the other and it should work straight away. If they both have 2 monitor slots then you would be able to use up to 4 screens together like I used to do :)

    You won't be able to use SLI for games - games will only run on one screen (unless you are using Windows XP and use Horizontal Span but that's another story....).
     
  6. martindewy

    martindewy Thread Starter

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    This is not for gaming i have dual monitors running on current machine and i have 2 more and i want to set up multi-screens all learning i would be lost without this forum and all the contributers so many thanks again to you all
     
  7. matthewdownloads

    matthewdownloads

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    Be aware, if each card has a VGA slot and you want to use a DVI screen, or a DVI slot with a VGA screen, you will need to buy an adapter costing about £1-£2. I think those cards have 1 DVI and 1 VGA each, so that gives you 4 slots for 4 screens.
     
  8. martindewy

    martindewy Thread Starter

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    Both have DVI ,VGA & HDMI three outputs but only two can be used 1 of the 3 is cancelled out
     
  9. Triple6

    Triple6 Moderator

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    As an aside, AMD graphics can support more then two monitors on pretty much all their new hardware, anywhere from 3 to 6 monitors provided the card has the correct outputs and nVidia's newest cards can do three monitors. That's just an FYI, if you have these two cards then they'll do just fine.
     
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