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ATI 5850 xfire HELP!

Last response: in Graphics & Displays
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October 29, 2009 11:30:31 PM

Hi all,
Long time reader fist time poster. Just recently bought another gigabyte ati 5850 too crossfire on my P55-UD3R motherboard. As soon as i plugged it in and enabled crossfire my performance in Crysis has dropped considerbly. I would normally average around 55 - 60 fps on high. @ 1050. Now its going at around 20 - 25 fps. I noticed the PCI ex has 2 physical 16x but only 1 runs at 16x speed and the other is 4x. Not sure whats going on.

Hope someone out there knows whats going on.
Thanks
system specs. i7 860
1156 , Gigabyte P55-UD3R
4 gig DDR
2 x Gigabyte ATI 5850

More about : ati 5850 xfire

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October 30, 2009 12:16:58 AM

it's your motherboard, according to newegg specs (http://www.newegg.com/Product/Product.aspx?Item=N82E16813128401&Tpk=Gigabyte%20P55-UD3R)

PCI Express 2.0 x16 1
PCI Express x16 1 (@x4 bandwidth)
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October 30, 2009 1:38:28 AM

Intresting. That board is $40 cheaper here in aus at the PC store i buy from. What are the benifits of the GA-P55-UD4P?
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October 30, 2009 3:44:30 AM

Just purchased the Board u recommended Maxiim, ill install it when i get home and report in. Thanks for all the replies
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October 30, 2009 4:11:35 AM

Its the board I use on a Phenom II x4 940 BE, and its phenomenal for its price.
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