Topic Title: Crossfire Problem
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Created On: 11/01/2013 01:59 PM
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 11/01/2013 01:59 PM
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Joined: 10/31/2013

Hello AMD Support Forums,


I'm wondering if anyone is able to help me with my crossfire rig,


Yesterday i purchased an XFX 7850 card to go with my VTX3D 7870 GHz Edition..


Both cards have Pitcairn GPU and on the AMD website it says that i am able to crossfire both of these cards according to the chart.


I have made sure that both cards are seated properly and crossfire bridge is installed correctly but have no option to crossfire the cards in Catalyst Control Center?


I'm thinking that this may be because my motherboard only allows PCI-E to go @ 16x by 4x but i have read online that you can crossfire cards if one card is @ 16x and another is @ 4x on the second pci-e 2.0 slot,


I have an Intel Core i5-3570 CPU, a Corsair CX-750 PSU, an ASUS P8B75-V motherboard and here's a link to the 2 cards i'm trying to xfire:


XFX Core Edition Radeon HD 7850 2GB GDDR5 Graphics Card [FX-785A-CNJC] + 2 FREE GAMES! - Aria Technology


VTX3D X-Edition Radeon HD 7870 OC 2048MB GDDR5 PCI-Express Graphics Card - Aria Technology


Any help will be greatly appreciated.



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