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r9 290 Crossfire question

Last response: in Graphics & Displays
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March 13, 2014 8:32:15 AM

Hello,

I have just slapped a second r9 290 into my system, after installing a 1200w thermaltake PSU. In Catalyst control centre, I can see my second GPU as "disabled," but can't find any option to enable it, or switch on Crossfire.

Some details:
Old i5 760 with a Asus p7p55d Deluxe (the one with the PCI-E slots.)
1200w PSU
Catalyst 14.1 beta drivers.

I can use the second GPU to mine (not it's primary purpose,) but I have my screen plugged into the first one.

Is there something I'm missing? Is PCI-E 3.0 a requirement for bridgeless crossfire?

Thanks,
Steve.

More about : 290 crossfire question

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a b U Graphics card
March 13, 2014 8:43:06 AM

Try grabbing the 14.2 drivers:

http://support.amd.com/en-us/kb-articles/Pages/latest-c...

The PCIe 2.0 or 3.0 should not be an issue, bridgless crossfire is supported by both.
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March 13, 2014 7:09:55 PM

Jep, that is very weird. Maybe all it needed was a driver refresh. Either way, it's working now, thanks.
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a b U Graphics card
March 14, 2014 7:55:06 AM

Ok great. AMD is working really hard on getting new drivers out for the R9 series cards, so performance and stability are always increasing.
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!