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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1417

post #14161 of 38701
Could a power saving setting in windows' power settings affect that? I found there is a moderate power saving setting on for PCI Express in there.

EDIT: It didn't help at all.
Edited by Luumi - 8/3/12 at 7:36pm
post #14162 of 38701
Quote:
Originally Posted by LordByron View Post

agreed,esp if the games you play runs fine at even stock speeds no need to overclock, ill only overclock if the game is really demanding or for benching other wise my card runs at stock...or flash it with a GHZ bios and leave it .... benefit it lowers you default voltages also and you have a card running at 1050 mhz and if you do overclock you'll need less voltage for you overclocks
thumb.gif
if you want i saved mine
GHZ.zip 41k .zip file
Is that a BIOS? Why do I always click on files by accident?
post #14163 of 38701
Quote:
Originally Posted by ElevenEleven View Post

I have likely missed it if it has been discussed already, and doing some searching has not yielded helpful results, but is there already a GHz BIOS edition for 7950s or still only for 7970s? (and if the latter, is there an ETA when it would become available for 7950s?)

I've been looking but there isn't any yet. You can try the 7970 version but it only really works if you have the 6/8pin PCB. At least you'll have dual bios switch. smile.gif
    
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post #14164 of 38701
Quote:
Originally Posted by Yvese View Post

Hmm I'm noticing some weird voltage readings on GPu-Z and MSI AB.
On MSI AB I have my core voltage set to 1.156, yet on GPU-Z it reads 1.070? Wth?
Also my memory voltage is set to 1.65, yet on GPu-Z it shows 1.602? The other odd thing is even though I set my voltage to 1.65, MSI AB still shows the default 1.600?
Are my gpu sensors broken or something? frown.gif
Same thing with my GPU, everything works normal in games though.
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post #14165 of 38701
Have you any pictures how the Zip ties solved the temperature problems?

Would appreciate, my card is also wery warm.
Quote:
Originally Posted by sena View Post

I told you that DCIIş are faulty. Cooler is not fixed properly, mine can operate on stock without a problem, i think that is because pretty low stock voltage (0.993V), but when overvolted it crash, but with little zip tie, its working flawless when overclocked and overvolted. Also i cant RMA, because card works on stock clocks and voltage just fine.
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post #14166 of 38701
He tightned the cooler onto the PCB with zip tie. Over the cooler and under the pcb. Or around the heatpipes and under pcb.. Or wherever u have space.
post #14167 of 38701
Quote:
Originally Posted by Andrazh View Post

He tightned the cooler onto the PCB with zip tie. Over the cooler and under the pcb. Or around the heatpipes and under pcb.. Or wherever u have space.

But I think that the core needs to be secure from both sides with zip ties, according this picture only the leftside(pic) can be seated with zip ties.

http://www.sweclockers.com/image/red/2012/01/30/Hd7950-5.jpg?t=original&k=c4a857c7

Edit--> sena was wery helpful and told me how he fixed his problems with temperature and DirectCUII.
Simply one ziptie to the card, I'll try this later when I have time.

My card when overclocking gets no signal during gaming and then soundloop, anyone else having same card and problems may consider put a ziptie from the hole in card rear around cooler as this picture.

7950dcII2.jpg
Edited by grandpatzer - 8/4/12 at 4:59am
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post #14168 of 38701
Hello Guys,

The Sapphire HD7970 Toxic just keeps beating my expectations. After a few days of benching the card seems to have gotten a good burnin and has really adapted. My max core is now 1325 Mhz and memory is still at 1900Mhz. Much above 1900 on the memory i see artifacts. This is running MAX heaven! A 1500 score., This may be a record heaven score for a single air cooled GPU.


post #14169 of 38701
Quote:
Originally Posted by Cool Mike View Post

This may be a record heaven score for a single air cooled GPU.

Not even close. Had fellow overclockers getting 1400 on air. It all depends on how willing you are to push the voltage / flash to get more of a voltage window, and beneficial ambient temperatures also help. Not to mention an optimised operating system, perhaps a few tweaks to disable OS services et al.
post #14170 of 38701
Quote:
Originally Posted by Cool Mike View Post

Hello Guys,
The Sapphire HD7970 Toxic just keeps beating my expectations. After a few days of benching the card seems to have gotten a good burnin and has really adapted. My max core is now 1325 Mhz and memory is still at 1900Mhz. Much above 1900 on the memory i see artifacts. This is running MAX heaven! A 1500 score., This may be a record heaven score for a single air cooled GPU.
Warning: Spoiler! (Click to show)

700

 


Warning: Spoiler! (Click to show)

700

 

 

 

Pushing the memory until you see artifacts is not how you find the max stable overclock.

GDDR5 has ECC, when you see artifacts, it means you are so deep into errors that even the ECC can't cope.

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