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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 653

post #6521 of 38704
Quote:
Originally Posted by tsm106 View Post

Dude, now that's some serious shenanigans!
Dude, you missed the shenanigans!
At that point when artifacts appear, it is not because its the first time, but because the error correction can no longer keep up with fixing frames. It means you've probably been artifacting for a bit, so lower memory clocks down until one, they go away, two lower it some more and bench till you start to see your gains disappear. When your benching gains start shrinking, this means you're starting to artifact and the EC (error correction) is fixing frames, thus wasting gpu time re-rendering bad frames.
Btw, stock voltage is about 1v to about 1.1v. iirc, similar to 6950 voltage vs 6970.

Thanks man smile.gif Don't happen to know how high i can go on the memory voltage ?
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post #6522 of 38704
448

So, heres my card - sits nicely in there and works just fine - however, as stated before - I got issues with the temp, it can easily go past 80c, I even had it hit 90 at some point - someone suggested that my case, a Coolermaster HAF 912 was the issues, since its a small case so the airflow is restricted.

Afterwards, I cleaned it up for everything, dust ect - was a bit in the front - but nothing major, it got lowered by an avg of 2c all around.

To check if it was the air flow, that was the issue, I removed the sidepanel and my temp wouldnt go past 76c, no matter what I did, where it before could reach 90, if I put it on ultra settings in BF3, everything on max ect.

So, im not a airflow master mind - but I suppose that my case is the problem?

I know the picture is kinda dark, it taken with my iPhone 4S.

So, any advice on this - Im also thinking maybe the cooler on the card is faulty .. it sits at around 46% on auto when it loads.

Im a mess, just bought this card and now this tongue.gif
post #6523 of 38704
Quote:
Originally Posted by Ottesen View Post

Thanks man smile.gif Don't happen to know how high i can go on the memory voltage ?

Memory volts goes upto 1.7v but be careful on air. You should find the point where EC triggers and then decide whether you want to add volts to get more. Another thing is, memory isn't as big of a factor in overclocking as the gpu. Thus, you can go hog wild on the memory but imo it's not really worth it.
Quote:
Originally Posted by Raarup View Post

448
So, heres my card - sits nicely in there and works just fine - however, as stated before - I got issues with the temp, it can easily go past 80c, I even had it hit 90 at some point - someone suggested that my case, a Coolermaster HAF 912 was the issues, since its a small case so the airflow is restricted.
Afterwards, I cleaned it up for everything, dust ect - was a bit in the front - but nothing major, it got lowered by an avg of 2c all around.
To check if it was the air flow, that was the issue, I removed the sidepanel and my temp wouldnt go past 76c, no matter what I did, where it before could reach 90, if I put it on ultra settings in BF3, everything on max ect.
So, im not a airflow master mind - but I suppose that my case is the problem?
I know the picture is kinda dark, it taken with my iPhone 4S.
So, any advice on this - Im also thinking maybe the cooler on the card is faulty .. it sits at around 46% on auto when it loads.
Im a mess, just bought this card and now this tongue.gif

Cut a bigger hole and stick a 200m fan there where the puny stock 120mm is on the side panel. I would then point the other fans in your case to exhaust duty.
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post #6524 of 38704
Quote:
Originally Posted by tsm106 View Post

You'd be surprised how many people are killing themselves or their card right now living in EC world 24/7.

LOLWUT? What does EC mean?
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post #6525 of 38704
After playing around with my 7970 I was able to get it to 1200/1600 before hitting a wall the core clocks and it started CTD in BF3. Dropped the memory clocks back down to stock since I don't see the point yet of keeping it that high.

Out of curiosity, will overclocking cause damage to the components of the graphics card, vram in particular, if I haven't messed around with voltage at all?
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post #6526 of 38704
Quote:
Originally Posted by NeoandGeo View Post

LOLWUT? What does EC mean?

Error correction I think he means.

@rageofthepeon No, Its highly unlikely. I have never seen anyone damage a card through stock voltage overclocking the core on AMD cards.

I have seen people kill their 6950/6970's through overclocking the memory too high though.

I guess you could maybe damage it by raising the core/memory to crazy amounts and putting it under load but that would just be idiotic.
post #6527 of 38704
On the left 925/1375 on the right 1125/1800 at default core/mem voltage.
20% plus just from ccc only.

unich.jpg
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post #6528 of 38704
Quote:
Originally Posted by zpaf View Post

On the left 925/1375 on the right 1125/1800 at default core/mem voltage.
20% plus just from ccc only.
unich.jpg

Run one with memory incremented at 1600/1650/1700. Compare your numbers then. There's no way you can run 1800 mem on stock mem volts, I'll put money on it.
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post #6529 of 38704
Quote:
Originally Posted by tsm106 View Post

Run one with memory incremented at 1600/1650/1700. Compare your numbers then. There's no way you can run 1800 mem on stock mem volts, I'll put money on it.

I can do more than 1800 on stock voltage.
It depends on game.
Have a look.

metro1875.jpg

About your money how much because I want to buy a second card. biggrin.gif
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post #6530 of 38704
Quote:
Originally Posted by zpaf View Post

I can do more than 1800 on stock voltage.
It depends on game.
Have a look.
metro1875.jpg
About your money how much because I want to buy a second card. biggrin.gif

You don't understand what I'm trying to get across to you, nor have you actually tried the example I recommended. Catalyst won't let you kill your card. Try doing that in AB, you will crash.
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