Topic Title: Crossfire disables HD-Audio Controller
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Created On: 05/09/2014 06:51 AM
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 05/09/2014 06:51 AM
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Is it normal that if I activate crossfire (I have two 290x) at the same time an HD-Audio Controller will be disabled. I have seen it in the device manager (Win 8.1) , ther is an HD-Audio Controller from AMD disabled (downarrow) and if I disable crossfire the HD-Audio-Controller is reenabled. Its in Device Manager under System Devices.

 05/11/2014 02:05 PM
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Brother, you are not alone. I am also encounter this problem with my 290X in

CF mode. I worte a report through AMD Support web site at long long ago 

but AMD just did not have any reply on this issue. To be frank, I I am quite 

disappointed on this issue. I hope AMD can really listen their customer

feedback although it did not cause any major problems during gaming.


I just drop down my config to help other brothers recongize this


Config : ASUS Z87 ROP HERO Mainboard

             i4770K CPU

            16GB RAM (4*4GB)

             Samsung EVO 512GB SSD

             Toshiba 2T HDD

             Seagate 2T HDD

             Corsiar AX1200 PSU

             XFX 290X Display card x 2


I hope AMD customer can follow this problem and give me some feedback.

on this issue. Thanks for all !!!


Edited: 05/11/2014 at 03:27 PM by ivancmt
 05/13/2014 12:00 PM
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You get this behavior because ULPS is enabled.

When you're not gaming, the second graphics card powers down to save energy.

You can install MSI afterburner to disable ULPS and the second audio controller will show up correctly.


Intel Core i7-4930k
Asus X79-Deluxe
32GB Ballistix Tactical LP 1600MHZ
MSI Gaming R9 290 CrossFireX
Soundblaster ZX
Corsair AX850
Dell UP2414Q
Silverstone FT02

Edited: 05/13/2014 at 08:35 PM by LuckyB
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