June 30, 201411 yr I tried running 3 and 4 cards but always only 2-way CrossFire gets enabled I used Rampage IV Black, Rampage III Black and P5E3 Premium (on this only 3-way), so it is rather not MB related. OS Win7 X64. I tried newest and oldest drivers that support 2900 XT. Are there any special drivers required for 3-way and 4-way? It is quite hard to find anything about 3-way and 4-way (even no validations at HWB!) but I have seen that during presentations such configurations were used - example. Edited June 30, 201411 yr by ivanov
July 1, 201411 yr Ati 2900 only supported up to 2-way CF. You can't run 3-way or 4-way . That's why you can't find any benches .
July 1, 201411 yr but I have seen that during presentations such configurations were used - example. Then again those presentations also said Phenom would be awesome :battle:
July 1, 201411 yr Then again those presentations also said Phenom would be awesome :battle: Hahaha !! A sad AMD fan .
July 1, 201411 yr Author Huh, then it is quite weird that 2900 XT has two CrossFire fingers, it clearly implicates that it should run 3 and 4 way Xtreme Addict suggested that there are some special drivers that AMD used for presentation of 3-way.
July 1, 201411 yr Crew 1950 Pro has two cf fingers as well, and 3way cf doesn´t work - so this is no indicator
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