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how to set it up?

Last response: in Graphics & Displays
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July 24, 2014 4:24:29 AM

Hello everyone.
After some helpfully advices from some nice guys on the forum I ended up to crossfire my hd 7970 with and r9 280x.

I am also upgrading ssd so I need a guide on how to set up the crossfire like on Windows install I should have already plug both gpus? With the crossfire bridge or no?

Do I need to make changes on my bios before doing so?

I have a gigabyte z77x-ud3h mobo.
It supports x16 and x8 pci express 3.0

Will I be fine with this?

Tnx you all in advance.

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a b À AMD
July 24, 2014 4:27:13 AM

I don't think you can crossfire a hd 7970 with a r9 280x? They both have to be the same chipset
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July 24, 2014 4:33:21 AM

They are and they do crossfire pretty well. Kinda sure on that.
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a c 119 À AMD
July 24, 2014 4:37:32 AM

http://www.game-debate.com/news/?news=10732 - 7970 and r9 280x are compatible for xfire.

Put the second one in the 2nd pcie slot and attach the power supply connectors. Join the cards with a xfire bridge.

Start the pc.

Then go into Catalyst Control Center. It should have already enabled crossfire automatically.

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July 24, 2014 4:45:42 AM

i7Baby said:
http://www.game-debate.com/news/?news=10732 - 7970 and r9 280x are compatible for xfire.

Put the second one in the 2nd pcie slot and attach the power supply connectors. Join the cards with a xfire bridge.

Start the pc.

Then go into Catalyst Control Center. It should have already enabled crossfire automatically.


Yea but on Windows installation does it matter whether I have one or both gpus plugged in?
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a c 119 À AMD
July 24, 2014 4:49:03 AM

No. Windows still works the same.
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July 24, 2014 4:56:23 AM

Thanks i7baby. Take care!!
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