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  1. #1
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    Video Card Compatibility

    I have a Compaq nVidia Quadro4 200 NVS card happily running in an AGPx2 slot in an old 440BX board at 3.3v. It is a universal AGPx4/AGPx2 card and will fit in a AGPx4 slot in the Intel 845E board I am considering updating to. The Intel 845 and 850 boards have strong warnings to use only a 1.5v AGPx4 video card. Presumably mine will run at 1.5v if I slot it into an 845E motherboard (there are no jumpers or dip switches to change the voltage on it so it must automatically adjust itself to the correct voltage...I hope) but does this warning mean that only video cards exclusively 1.5v should be run in these boards? There are dire warnings that 3.3v cards will blow up the motherboard. Compaq support is no support at all.

    Roger

    Roger

  2. #2
    Uranium Lounger viking33's Avatar
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    Re: Video Card Compatibility

    Rogerj,
    I went through this same quandry when I replaced my mobo with a Gigabyte with an Intel 845 chipset. The dire warnings really made me hesitant to use my nvidia Geforce2 Gts video card because of the rather unclear compatiblity of the two.
    I finally got a very reassuring message from Nvidia that said, " ALL nvidia video cards will work with the 845 chipset"
    I made the change and everything works fine. No smoke and fire!
    Good luck,
    Bob
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  3. #3
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    Re: Video Card Compatibility

    Hi Roger,

    I'm not sure if this applies to your new motherboard or not, but my new Asus P4B533 has a warning light that will come on if you stick a 3.3v card into its AGP slot (intended for a 1.5v card). Although it will not run the 3.3v card, it will NOT do any damage to the motherboard. Possibly your new Mobo will have a similar feature (just in case)...

    Hope this helps...

  4. #4
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    Re: Video Card Compatibility

    Thanks for the input. The Gigabyte card doesn't have such a Led unfortunately. Having spent about three weeks trying, without mush success, to get a definitive answer I think I might go the AMD way.

    Roger

  5. #5
    Uranium Lounger viking33's Avatar
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    Re: Video Card Compatibility

    Nvidia did give the definitve answer. It will work.
    BOB
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  6. #6
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    Re: Video Card Compatibility

    Thanks very much for your trouble. But how did you get a definitive answer out of nVidia? When I tried their Support web site I was just referred back to the video card manufacturer Compaq (who has never given me a definitive reply on anything....they don't appear to recognise that their video cards are purchased separately. When you ask for support they don't respond unless you can quoe the model and serial number of the workstation you haven't got !).

    Roger

  7. #7
    Uranium Lounger viking33's Avatar
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    Re: Video Card Compatibility

    Admittedly, it wasn't easy to get the answer from Nvidia, but after making a real pain in the a__ of myself, I finally got a response from them stating the Nvidia chip was indeed compatible with the Intel 845, and that there was an overvoltage protection on the video boards to prevent damage. As I said, I did go ahead and installed the Geforce card in the new mobo and all is working fine. I really don't think any mobo manufacturers would come out with a board that wasn't OK with a popular video card like Nvidia and vice versa. (BTW, I was glad that I stuck with the Intel P4) I recently upgraded a friend's system to one with an AMD XP 1.8 gig and really had to struggle to get enough cooling inside the case to keep the AMD chip within decent temperature range.
    Bob
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  8. #8
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    Re: Video Card Compatibility

    Thanks again for all your trouble. I was hoping that this was the case but rumours persisted that there are rogue universal video cards out there that have no over-voltage protection. Thanks also for the tip re AMD.

    Roger

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