Topic Title: 290X Crossfire + X58 = not working
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Created On: 12/11/2013 10:16 PM
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 12/11/2013 10:16 PM
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Rizen
Peon

Posts: 6
Joined: 06/17/2010

Hi there,

I just installed my 290X CF setup today into my system. When I have both cards installed, using the latest AMD beta drivers and Windows 8.1, my system slows down dramatically. Windows takes much longer to boot, the whole system feels laggy and games are unplayable. They load slowly and when I load in the frame rate is unplayable and audio is choppy. This is regardless of settings (tested BF4 on Ultra and on Low - same fps). 

When I remove one card from the system - everything works perfectly fine. Tested both cards and both work fine by themselves. No other changes other than installing the extra 290X.

I tried them in slots 2 and 5 which on this motherboard are both PCI-E 16x. I also tried them individually in 2 and 5, and also in 2 and 6 just to see if that made a difference. It doesn't seem to matter what slots I use. If both cards are installed it runs badly. With a single card in any slot it's fine. 

And when I say Windows takes longer to boot, I mean it goes from around 5 seconds to 15-20. The system noticeably stutters and hitches. It's really bizarre. I've never seen anything like this.


I am thinking this may be a motherboard incompatibility problem. Has anyone else experienced anything like this?

Here are my specs:

 

Intel Core i7 930 @ 4.2GHz (200x21, 1.29v), watercooled
MSI XPower Big Bang X58 Motherboard
12GB Corsair Vengeance DDR3 @ 1600MHz 9-9-9-24-1T
Sapphire R9 290X Crossfire
ASUS Xonar Essence STX w/ Sennheiser 595s 
Catleap Q270 27" 2560x1440 IPS Monitor
Corsair Neutron 240GB SSD x2
XFX ProSeries 1250W PSU
Corsair K90 + M60, Razer Nostromo



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- Rizen

 12/12/2013 12:34 AM
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Smallies
Peon

Posts: 1
Joined: 12/12/2013

I am having almost EXACTLY this problem.

My system takes an additional 10 or so seconds to post compared to my old gtx 580 sli, and games with vsync on are incredibly laggy & unplayable, framerates are in the 10-15 range often even with settings set to lowest. Audio crackles like mad too.

If I disable vsync, framerates improve greatly HOWEVER there is definite stuttering, or microstuttering. It is not smooth AT ALL.

If I run windowed/borderless, it's smooth as butter however crossfire is being disabled. If I run one card or turn off crossfire, it's smooth as butter. Again though I'm losing a card...

I've tried disabling ULPS, set amd overdrive to 50% power limit and 100% fan, turned off frame pacing, switching sound cards / using onboard sound, fresh install of windows 8, nothing made a difference.

System Specs:
-------------------------

Asus P6T Deluxe (x58)
i7 920 @ 4ghz watercooled
3 x 8gb 1600mhz
Sapphire 290X crossfire
Corsair HX1000 PSU
OCZ 128gb SSD

 

 12/13/2013 03:11 PM
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Rizen
Peon

Posts: 6
Joined: 06/17/2010

Hi there AMD,

I believe Kyle from HardOCP has reached out to you on this issue. There are a few users reporting this over at the HardForum here: http://hardforum.com/showthread.php?t=1796442

 

Can we please get a status update on this? Is this a known problem? Have you been able to replicate? I really want to know what is going on here, as I've exhausted my troubleshooting options and I cannot get this to work.

Ben



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- Rizen

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