Topic Title: r9 280x CF with 7970
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Created On: 03/20/2014 02:48 PM
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 03/20/2014 02:48 PM
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passinos
Peon

Posts: 4
Joined: 11/17/2011

The 280x has 2x DL-DVI and CF with a 7970 (only 1 DL-DVI)?

Would you get the 2xDL-DVIs from the 280x or is it lowest common denominator?



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Tim Passinos
 03/25/2014 01:20 PM
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passinos
Peon

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Joined: 11/17/2011

bump



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Tim Passinos
 03/27/2014 07:18 AM
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Agente Silva
Peon

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Joined: 02/26/2014

What do you mean? your original post is not quite explicit...



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 03/27/2014 07:55 AM
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passinos
Peon

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I have Two 7970;s right now and they only have 1 Dual-Link DVI.

If I buy a 280x with Two DL-DVI and CrossFire it to one of my 7970 will I get the 2 DL-DVI from the new 280x or will my old 7970 with 1 SL-DVI?

 

Thanks



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Tim Passinos
 04/02/2014 03:21 AM
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-rascal-
Farming Materials

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Joined: 01/15/2011

You can certainly run Crossfire together with a R9-280X and a HD 7970.

The number of outputs on the card doesn't matter. You can only using the display outputs of one card anyways - The primary card (i.e. tpyically the card in the top-most PCI-E X16 slot).

In Crossfire Mode, all your displays needs to be connected to the primary graphics card. The secondary card does not display anything, and should not have any of your displays / monitor hooked up to it.



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