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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 883

post #8821 of 38704
Quote:
Originally Posted by Majin SSJ Eric View Post

The point is, I want to push over 100fps so why would I ever want a 1440p monitor which could only ever display 60fps no matter how many cards I buy?

Like I said just different priorities. As long as I get 60FPS I'm good. I'd rather the higher res. I can totally see your POV though. Especially if you are into competitive gaming or something of that nature or just like the fludidity.

For me though big huge IPS display is where it's at.
    
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post #8822 of 38704
Quote:
Originally Posted by m3t4lh34d View Post

<---


 

You have that system running on a TX850 stun.gif

I heard the HD 7970 can pull 300watts alone when overclocked and you have 3 of them.

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post #8823 of 38704
Quote:
They look like this, if you like them, just send it to my paypal and I'll ship them asap

Someone has photographed you quite well.

Now if you could just recommend a camera with that resolution, all shall be forgiven. thumb.gif
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post #8824 of 38704
Cant believe but its playable. biggrin.gif


warheadef.png
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post #8825 of 38704
Daim now i'm getting the damn "video hardware error" again, bsod 117. Problems with these cards are just idiotic, shouldn't be like that. All-in-all i think i have used more time trying to get them running correctly than playing...
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post #8826 of 38704
Quote:
Originally Posted by Ottesen View Post

Daim now i'm getting the damn "video hardware error" again, bsod 117. Problems with these cards are just idiotic, shouldn't be like that. All-in-all i think i have used more time trying to get them running correctly than playing...

I don't think the 750W PSU cuts it for the the OC 7950's. The power draw is significant and you could be running into voltage stability issues with higher ripple at that point. Maybe a 1000W PSU would help.
post #8827 of 38704
Quote:
Originally Posted by afadzil21 View Post

I don't think the 750W PSU cuts it for the the OC 7950's. The power draw is significant and you could be running into voltage stability issues with higher ripple at that point. Maybe a 1000W PSU would help.

No, 750w is more than enought, trust me i've checked everything. Was working on this crap weeks... sat like 12-20 days in a row testing every combo.

With my cpu running at 4,7ghz and 1,4 both cards running at 1100/1700mhz at 1150mv, and running 3dmark11 while prime in the background i didn't even hit 600w from the wall... With only cpu overclocked and stock cards i'm even having trouble using 500w...

BUT, my psu is old tho, have to say that. First got the problems when i got 1155 mobo and the 2500k, had some strange issues from day one. Like if i set my overclock in the bios and everything seems fine i can't go back in the bios without problems again. If i even change a random thing like not having the startup pic/screen it starts to mess like hell... But the problems come so randomly, worked like 60 hours just to get a somewhat working rig... So ye, i won't say its not the psu, but i don't think so. At least if it was the psu then the problems would accure when i do 3dmarks or play, but its completely random...
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post #8828 of 38704
So I've started overclocking this card. CPU is currently at stock, I'm going to revisit clocks when I install my H100 (sometime next week). When I do that I'll also be moving my Silverstone AP141 into the 5.25 bays so it blows straight across the card and the exhaust fan will suck that air out the back. Hopefully that will improve temps somewhat.

Anyway, I run the fan at 100% because I can barely hear it with my headphones on, and never when I'm playing sound through them. It doesn't bother me as background noise. At stock, after hours of BF3, I get 59C load, with 45-50C on the VRMs and Memory.

Because of these, I set the voltage straight to 1200 (1650mem) and then clocked it to 1200/1600 to start with. I've yet to try it in games, but here is my Heaven run with temps. I'm sure I can go higher with that kind of voltage, but this was just a basic overclock while I waited for something to download tongue.gif I'll be testing properly later on. Looking good though!

338
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post #8829 of 38704
Quote:
Originally Posted by Ottesen View Post

No, 750w is more than enought, trust me i've checked everything. Was working on this crap weeks... sat like 12-20 days in a row testing every combo.
With my cpu running at 4,7ghz and 1,4 both cards running at 1100/1700mhz at 1150mv, and running 3dmark11 while prime in the background i didn't even hit 600w from the wall... With only cpu overclocked and stock cards i'm even having trouble using 500w...
BUT, my psu is old tho, have to say that. First got the problems when i got 1155 mobo and the 2500k, had some strange issues from day one. Like if i set my overclock in the bios and everything seems fine i can't go back in the bios without problems again. If i even change a random thing like not having the startup pic/screen it starts to mess like hell... But the problems come so randomly, worked like 60 hours just to get a somewhat working rig... So ye, i won't say its not the psu, but i don't think so. At least if it was the psu then the problems would accure when i do 3dmarks or play, but its completely random...

Talking from a bit more technical point of view here. The random issues may actually be not so random. Since the PSU is old, you may actually be having PD issues on some of the insulation of the components. The PD could be causing spikes on different voltage rails and such, causing the random instability. The problem with PD is that, it appears to be completely random but will get worse over time until one fine day... bzz... pzzz... dead PSU. In my line of work I do deal with it, but on a much higher scale. The fact is, PC PSU's basically being rectifiers, they are still subject to same electrical stresses over time. I bought 1200W even though I know I would barely touch 800W simply because the components are designed to handle the higher stresses. Keeping them on, but not stressed highly extends the useful life. Since you've had problems since you got the mobo, could it be the mobo? If you could eliminate the variables by isolating each and every one (if you could borrow a bigger PSU maybe you could test and see if it's the PSU). you should be able to get to the problem. But with ASUS Sabertooth, it being the mobo is really doubtful.
post #8830 of 38704
Quote:
Originally Posted by LAF View Post

So I've started overclocking this card. CPU is currently at stock, I'm going to revisit clocks when I install my H100 (sometime next week). When I do that I'll also be moving my Silverstone AP141 into the 5.25 bays so it blows straight across the card and the exhaust fan will suck that air out the back. Hopefully that will improve temps somewhat.
Anyway, I run the fan at 100% because I can barely hear it with my headphones on, and never when I'm playing sound through them. It doesn't bother me as background noise. At stock, after hours of BF3, I get 59C load, with 45-50C on the VRMs and Memory.
Because of these, I set the voltage straight to 1200 (1650mem) and then clocked it to 1200/1600 to start with. I've yet to try it in games, but here is my Heaven run with temps. I'm sure I can go higher with that kind of voltage, but this was just a basic overclock while I waited for something to download tongue.gif I'll be testing properly later on. Looking good though!
338

nice what drivers are you running?

When I first saw your Unigine score I was like what! so high for one card... then I realized you did't have tessellation on... You gotta enable tessellation on biggrin.gif

also I love my H100 ... but you can do better than the stock fans they provide... I just used their TIM and it worked great on my i920 @4.4 it's rarely sees 70c on loads and idols in 40s ... lastly you can plug the fans into your mobo or I did into my fan controller ... this way you can adjust as needed - gl
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