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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 873

post #8721 of 38701
I'm having a hell of a time with this. I'm using the MSI Afterburner version 2.2.0 beta 15 and the -xcl or /xcl commands are doing nothing. I double click on the icon and nothing happens. I have been successful before. What is different? I'm trying to bump up my clocks so I get rid of this annoying eyefinity flickering. Any help would be awesome smile.gif thanks all.
post #8722 of 38701
Quote:
Originally Posted by Majin SSJ Eric View Post

Dang cards are being divas tonight. Get home and start to do a little Heaven and Vantage and they won't pass nothing! These are finicky cards; sometimes they pass 1225MHz with no issue and others they can't even do 1200MHz... mad.gif

Yes indeed. Heat is your issue for sure. You need a new case. No point in suggesting a loop as I assume those cards are a non ref pcb.
Quote:
Originally Posted by Majin SSJ Eric View Post

I don't get this argument. Why do you need to OC a 7970 at all just to play games? Overclocking is only helpful when benching for the best numbers. In games at stock I get 100+fps in everything....

Same as. I have more or less found the limits of my cards, could mabye push the memory further with more volts. I found limits of cards individually and currently running cards with just ccc overclocks until drivers improve.
Quote:
Originally Posted by PARTON View Post

Without a big overclock, the 7970 wasn't worth the move from 6950 crossfire. With a big overclock it is.

True, but with a big overclock, I get similar performance on one card.



Is there any AMD reps on this forum that can explain why the driverteam are removing dll files to hinder unofficial overclocking and making me mad? mad.gif

I dropped over €1000 on new cards and blocks. Urge to kill rising.
Edited by Newbie2009 - 4/10/12 at 3:53am
post #8723 of 38701
Quote:
Originally Posted by Jason33w View Post

I'm having a hell of a time with this. I'm using the MSI Afterburner version 2.2.0 beta 15 and the -xcl or /xcl commands are doing nothing. I double click on the icon and nothing happens. I have been successful before. What is different? I'm trying to bump up my clocks so I get rid of this annoying eyefinity flickering. Any help would be awesome smile.gif thanks all.

Download Asus GPU tweak go into settings and click extended clocks. It's the only way to OC on the newer drivers and it's also really simple. After you've restarted you can use AB and it will have the extended sliders.
    
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post #8724 of 38701
If you do not need to increase voltage on the memory I suggest using Trixx.
Just set up a profile + custom fan profile if needed, leave it running while playing games.
Put it back to default after gaming and close the program.

Simple as that and ZERO problems thumb.gif
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post #8725 of 38701
Quote:
Originally Posted by Daffie82 View Post

If you do not need to increase voltage on the memory I suggest using Trixx.
Just set up a profile + custom fan profile if needed, leave it running while playing games.
Put it back to default after gaming and close the program.
Simple as that and ZERO problems thumb.gif

Yeah if they would add memory voltage tweak to it I would ditch AB.
post #8726 of 38701
Quote:
Originally Posted by ZealotKi11er View Post

I think most problems are caused by trying to OC the cards. Also so people dont get the wrong idea only people that complain come here. Those have no problems are enjoining gaming. I got to say HD 79XX so far are not even close to the driver problems AMD has had in the past. They are borderline bad. I did not have a single issue with HD 6990. I got to say though that for me problems start once i try to OC over 1125Mhz. I dont know why AMD has to put limits on their cards. It was so simple with GTX580. Install card, drivers, MSI AB. Set voltage and Clock and Boom. Now i have to unlock this unlock that, disable this, not use that, something is bout to go wrong.
Quote:
Originally Posted by crunkazcanbe View Post

My 30" screen picture jumped and flickered alot with the 7970s has not done it 1 time with GTX680s

This is really the only problem i had and 12.4 Beta fixed it for me. It was caused from random clock jump from 2D to 3D in desktop.
Yup thisi is biggest problem.
I remember when i had GTX 570 SLI, it was very simple, now its frustrating, i gave up with MSI AB, i only use AMD overdrive, beter some OC, then no OC at all.
Edited by sena - 4/10/12 at 6:40am
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post #8727 of 38701
Thread Starter 
I personally wouldn't take reference cards anything above 1070 MHz on the core with air cooling.
If I apply more voltage, I run into OCP issues, if I don't apply enough voltage the core isn't stable.
I imagine the Lightning cards don't have this issue.
1175 MHz core seems very possible to have absolutely stable but require some hefty cooling and a bump in voltage.
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post #8728 of 38701
what is the max volt for 7950 for 24/7
post #8729 of 38701
Quote:
Originally Posted by mltms View Post

what is the max volt for 7950 for 24/7

It depens, air or water?
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post #8730 of 38701
Quote:
Originally Posted by mltms View Post

what is the max volt for 7950 for 24/7

On air I would go +125mv above your stock voltage.
1175mv is a pretty good value for 24/7; that is if your stock voltage is about 1090mv like mine.

I run stable at 1168mv but this is with Sapphire oc edition (dual fan) which keeps temps down pretty good.

EDIT : I would also make custom fan profile to keep temps below 70 degrees at all times for improved stability.
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