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Old 05-31-2009, 01:59 PM   #1
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Default Crossfire

If a computer has 2 PCI express slots is it crossfire compatible.
if not what does a motherboard need to be crossfire compatible?
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Old 05-31-2009, 02:03 PM   #2
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Default Re: Crossfire

A motherboard should state on its specifications whether it is Crossfire compatible. Generally, motherboards with 2 PCI-e slots are either Crossfire or SLi compatible. I have seen only a handful that weren't.
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Old 05-31-2009, 02:20 PM   #3
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Default Re: Crossfire

neither of those say they're crossfire compatible so does that mean they arent? what about this one http://www.newegg.com/Product/Produc...82E16813131361
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Old 05-31-2009, 02:26 PM   #4
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Default Re: Crossfire

You should check the manufacturers site to see of they support Crossfire. The Asus board fully supports Crossfire operation.

Asus M4A79 Deluxe
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Old 05-31-2009, 02:27 PM   #5
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Default Re: Crossfire

Well when it says something such as "x16/x16" it means it is Crossfire compatible. Since they give you the speeds at respective lanes, the compatibility is assumed.

edit: Rooster does have a good point. Always check the manufacturer website if you're not sure.
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Old 05-31-2009, 02:31 PM   #6
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Default Re: Crossfire

thanks where would it say x16/x16 though? what do you mean the speeds at respective lanes?
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Old 05-31-2009, 02:33 PM   #7
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Default Re: Crossfire

Click on the link to the motherboard you linked us. Go to specifications and look under Expansion slots. Then go to PCI-e 2.0 x16. You should see beside it rated speeds. If I'm not mistaken (I'm not a guru on video cards), the x16 refer to the bandwidth of the lanes (in another words, the PCI-e slot).
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