Can I crossfire 2 HD 7770 without a crossfire bridge?

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kebbz

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Jul 27, 2012
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I just found out that my Powercolor 7770 does not have a bridge connector. It's weird cuz the box says it supports Crossfire.

I read somewhere that someone was able to run crossfire a 7770 and a 7750 without a bridge 100% working.

Assuming i run dual 7770, both in X16 lanes, would it work?
 
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Yes, I am using a bridge. I have tried 13.4, 13.8, and 13.10 without the bridge, and like I said previously, the drivers will not activate Crossfire without the bridge installed. Sorry, but I am not willing to roll back the drivers to 13.1 just to try it out.

Casey
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juanrdp

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jacobg8857

jacobg8857

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Yes i agree with you! The bridge would help.

 
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JJ1217

JJ1217

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Depends on the card really. A 7770 isn't the strongest card, and thus the extra bandwidth can probably easily pass over the PCIe lanes. The only thing I am not certain about is whether the software will ACTUALLY detect it as a second card, meaning whether Catalyst will actually detect a second card plugged into the system.
 
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jam3so3

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crossfire should work without taking a huge hit from no bridge, if you were to buy a second 7770 for an extra $25 you can get a radeon 7850 2gb on newegg without having to worry about it not working well, hell for $210 you can even get a 7950.
 
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kebbz

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This guy has it working?
http://www.techpowerup.com/forums/showthread.php?t=183557
 
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kebbz

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have you tried it though?
 
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kebbz

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Are you using a bridge? Could you try testing it without the bridge? It's okay if you can't.
 
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cklaubur

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Yes, I am using a bridge. I have tried 13.4, 13.8, and 13.10 without the bridge, and like I said previously, the drivers will not activate Crossfire without the bridge installed. Sorry, but I am not willing to roll back the drivers to 13.1 just to try it out.

Casey
 
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