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a crossfire borad - Page 2

post #11 of 16
Thread Starter 
ya the k9a im getting is a 16x 16x board i have a link some were

http://www.hothardware.com/articles/...or_AM2/?page=3

http://en.wikipedia.org/wiki/AMD_580_chipset_series
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post #12 of 16
I think that you've misunderstood. The "architecture" that the cards are running on are pci-e 16x and in effect 16x but when the cards function in crossfire mode, they are at 8x each even though the slot supports up to 16x. This is my understanding, hope it helps.
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post #13 of 16
Would anyone even see a difference between 16x and 8x?
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post #14 of 16
Thread Starter 
what intel clip sets support crossfire? i may have heard most intel chip sets are 8x 8x or 16x 4x. tr8rjohnk i do understand what u said i m just saying that the board supports 16x 16x even thou the cards do not. could u give me a link to something that says that crossfire is only 8x 8x so i can learn more about what im trying to do
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post #15 of 16
Quote:
Originally Posted by ElMikeTheMike View Post
Would anyone even see a difference between 16x and 8x?
I've looked on amd's site for the info but couldn't find it anywhere but i've spoken with them on this question more than once.

As for seeing the difference, it depends. ATI and NVIDIA each use pcie differently. Nvidia is supposed to use 16x on each card so I would imagine yes, a stunted performance. Ati doesn't use the full architecture in crossfire so no for them. It seems proprietary.
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post #16 of 16
Thread Starter 
ok but i sure would some one would see a difference with 16 4 or would it revert to 8 8 because the full 16x lane isnt being used in crossfire
edit or would it 8 4 cuz the 4x lane is AGI Express slot
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