Question about XFX GeForce 6800 GT, (256 MB) Graphic Card

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Is my motherboard compatible with a new graphic card

Dear FixYa,

I have an older PC, with an Asus P4
S800MX motherboard, with a Celeron2.4mHz processor, that has an SiS661FX chipset for on board graphics display.

I recently needed toreplace my display and the new one is a 22" LCD, with a 1680x1050 XHD natural resolution.

The properties of the display card would not give me this resolution option, so I upgraded to the latest SiS661FX drivers (which promised support for this resolution...).

But now, when selecting this resolution (1680x1050), the screen becomes black and after 15 seconds reverts to its previous hazy setting...

I was told that the problem can be solved by installing a separate graphics card that would support 1680x1050 XHD.

The Asus specs say the graphics slot in this board is AGP x8 (1.5V only_... ATi specs for their 9250 card say AGP 8x 0.8V

My other PC has an Asus P4P800 motherboard, with a P4 2.8 processor and your ATi Radeon 9250 graphic card, which only needed a drivers update to support 1680x1050 XHD. But the specs for this motherboard do not say in the AGP x8 1.5V only...

In short; before I buy the Radeon 9250 card, or any other, I would want to know if it is compatible with the AGP x8 1.5V that the Asus P4S800MX provides; despite the card specs saying 0.8V.


Dar Zeelon

Posted by on

  • DarZeelon Nov 19, 2008


    I already installed the Radeon 9250 and yes, it does work.

    Asus wrote and ATi confirmed that it would actually be running at AGP x4 1.5V, but it does support the 1,680x1,050 resolution.

    This new card cost peanuts and solved the problem.

    Thank you, Wiz, everyone.

    Dar Zeelon


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Being agp3.0, it is backwards compatible so in theory, it should work. With the older system, it may be dangerous. I would find a card that clearly states that it works in x8 (3.0) 1.5v. If it doesn't work it could fry the whole system. If i find a card that works, I'll let you know.

Posted on Nov 19, 2008

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