AMD FX 8xxx / 9xxx + R9 290 + Crosshair V Problems

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Dashrendar0226

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Hey guys,

So I posted here a lot about really really crappy fps in every games and I found a lot of people having issues with AMD FX 8xxx / 9xxx + R9 290 + Crosshair V Formula Z combos.Thing is, they never post their fixes.

So my question is has anyone figured a fix or do you guys know of the issue ? I'm thinking of getting a GTX 970 but I'm affraid it won't fix the issue.

Thanks !
 
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Dunlop0078

Dunlop0078

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Well a fx 8350 and a 290 on a crosshair v motherboard should be a very good setup and there is no reason at all it should be giving you "really really crappy fps in every games" so no i would not spend any money until you fix whatever is causing that. If you could give me some more info abt your problem i might be able to help.
 
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Dashrendar0226

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Aren't the online drivers just up-to-date versions of the CD's ? Anyways I've been taking every drivers from the mobo page on asus.com
 
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Outlander_04

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Yes the online drivers are updates of the ones on the disk [ if there are updates]

But that is not the point I am making .

The ORDER you install the drivers is critical to getting good performance

windows , then the mb drivers , then the graphics driver

 
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Cristi72

Cristi72

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Top PSU, it should give you no headaches. Nonetheless, try monitoring the CPU/GPU/rails voltages, check for voltage drops (+12V especially).

In the previous thread, you said you have 2 x 1080p monitors; you are actually gaming on 3840x1080? If it's the case, it is probably the CPU's fault (check the CPU/GPU usage). Also, the PCI-e 2.0 isn't helping either (I know it should have no tangible effect, but downward compatibility can be a PITA sometimes).

Did you plug the 4-pin MOLEX into the motherboard? It is specifically designed to supplement the current for the second/third PCI-e slots in SLI/CF setups, but if should help quite a bit even for single-GPU setups.
 
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Dashrendar0226

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Thank you for your fast response.

1- Listen, I've never monitored voltages drops before, how do I do that using Open Hardware Monitor ?
2- Yes, I do, but one shows the desktop at all time so 1080p gaming always.
3- CPU and GPU usage seems great, with some weird dips in the R9 usage. I think I posted some screenshots.
4- PCI-E 2.0? I thought my mobo was full 3.0 compatible... is it not ?
5- If by the 4-pin MOLEX you mean the one close to the CPU, then yes. I was told this would give better OC ability.

Now, the good/bad news.

I got a sweet deal for a Asus R9 290 DirectCUii, going to pick it up tomorow. I know I shouldn't be wasting money without being sure the problem is fixed, but when I saw them crossfire benchmark my wee wee went OMG. I've done some research, and I'm pretty sure there will be no apparent bottleneck. Am I correct in assuming that?

Outlander_04, I'm gonna take your advice. If need be, when I get my new GPU, I will format and install things the way you propose.

Thanks guys !
 
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tiny voices

tiny voices

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There will definitely be a bottleneck in many CPU intensive games. Will it be really bad? No, but it will be there. The 8350 bottlenecks even a single 290 in a few select titles.

It blows my mind that you are buying a second GPU, for a system that doesn't properly work, and you haven't even done very simple things yet, like monitor voltages. You should probably figure out the problem before making things WAY worse by adding a second GPU, dealing with CF drivers, and further greatly complicating the situation.

You will need a new PSU more than likely. Your isn;t even that great, and you REALLY want 750w from a QUALITY company. Get an XFX unit.

Also, wee wee? Ok.....
 
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Dashrendar0226

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I've decided to think about that second GPU. I've been having issues for such a long time that I just want it to be over. One thing tho, I disagree with that PSU, I think - and I've heard - that it's really good.
 
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Cristi72

Cristi72

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Wait, are you trying to do CF on that PSU? In that case, listen to tiny voices, it will not be enough! A single R9-290 can go up to 350W (and more, if overclocked), so two of them can easily bring down your PSU (the max. efficiency is achieved between 25% and 75% of the power rating, so you will need a good 1000W PSU for your CF setup).
 
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Cristi72

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I don't necessarily agree with their test and power measurement modality; Tom's made a very good analysis about GPU power consumption:

http://www.tomshardware.co.uk/graphics-card-power-supply-balance,review-33071-2.html

So, while the AVERAGE power consumption is within the power anvelope (a value we don't know, as AMD in their infinite wisdom decided not to tell it to anyone; well, maybe some OEMs know this value), an 290/290X card can draw 350W for short periods of time. That's why I insist for checking the voltage values every time when supposed GPU problems occurs (no matter how good is the PSU, it cannot keep the output voltage at the same level all the time, so there will be voltage drops under the nominal voltage; when the voltage drops, the motherboard begins to throttle down the CPU/GPU speeds, so less performance).
 
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Dashrendar0226

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Okay, then I am obliged to listen to you guys. Okay, my setup sucks, I don't know why but I'm tired. Knowing that I live in Canada and that I do gaming mostly (and other tasks that are not power-intensive), what would you guys recommend as a build for:

- under 2000$ taxes in (14% here)
- Intel processor
- Watercooled
- SSD
- A very powerful GPU (at least R9 290 / GTX 970 or equal)

I thought it would be doable but it seems so expensive now...




Edit : Okay Guys, my bad. I realized you talked about my former psu, the OCZ Modxstream. But now I got a Corsair AX860i, 860w and 80+ platinum.

I'm blaming my problems on owning a AMD cpu instead of Intel, where do you guys sit on the question?
 
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