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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 289

post #2881 of 38701
Quote:
Originally Posted by NorxMAL View Post

Okay, I'm up at 1200/1600 for proper stability test. 1200/1600@1.187v : max 38c.
What voltage are watercooling people here going with for higher clocks?
My usage of watercooling is mostly because of the silence it brings. But anyways, 1200/1600 is quite respectable, even when it's on water?

It took me 1.26 volts to get 1300/1700 stable on my 74% Asic card. It's questionable whether it's even getting that much voltage due to overvoltage protection, but since I flashed the Asus bios that has gotten me stable @ 1300.
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post #2882 of 38701
Quote:
Originally Posted by evensen007 View Post

It took me 1.26 volts to get 1300/1700 stable on my 74% Asic card. It's questionable whether it's even getting that much voltage due to overvoltage protection, but since I flashed the Asus bios that has gotten me stable @ 1300.

I will continue trying to get more clock tomorrow smile.gif

Also finding out which casually clock I will be running smile.gif
post #2883 of 38701
Quote:
Originally Posted by evensen007 View Post

It took me 1.26 volts to get 1300/1700 stable on my 74% Asic card. It's questionable whether it's even getting that much voltage due to overvoltage protection, but since I flashed the Asus bios that has gotten me stable @ 1300.

how far were you able to OC before the asus bio flash?
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post #2884 of 38701
So I can now confirm after purchasing a second card, that the lower ASIC "quality" ranking is either backwards, or a load of crap.

My first card is a ~79% ASIC quality card and couldn't do over 1,250mhz no matter what and was only stable without artifacts at 1,200mhz core at the most. Now, I have a 64% ASIC card installed, and it would go over 1,300mhz @ 1.3v. I couldn't even get 1,300mhz to run even with artifacts on the other card.

Seems like I've scored an additional 40mhz 24/7 use on the core now with the lower ASIC quality card.
post #2885 of 38701
Got my cards stable at 1100/1500 @ 1193mv. Just got the back to karkand DLC pack for BF3 and I've noticed that my fps will drop to as low as 50 fps when looking out on the horizon with action going on.

For some reason, with 2 crossfire 7970's, this just doesn't seem normal. I'm usually cruising at around 100 + fps with minimum frames of around 80 fps. My system is i5 2500k @ 4.5Ghz, 8GB DDR3 1600mhz, spinpoint f3 1TB.

Anyone else having similar issues?
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post #2886 of 38701
anyone unlocked the 7950 to 7970 yet and does it unlock the stream processors from 1782 to 2048 like the 7870 has?
post #2887 of 38701
Quote:
Originally Posted by Denim-187 View Post

So far this has been the greatest OC i've seen on OCN with a 7970... Gratz man.
I have a request, if you could run a 1920x1080, same settings as your previous ones for comparison reasons.
Ty thumb.gif

Thanks. The core seems to overclock very well but my vram is only mediocre.

Here are the Metro 2033 results at 1080p (even though it says 2560x1600 in the title). Same clocks of 1390/1600.

metro203379701390160010.jpg
Edited by Elfear - 1/31/12 at 3:56pm
post #2888 of 38701
Quote:
Originally Posted by ELCID777 View Post

Got my cards stable at 1100/1500 @ 1193mv. Just got the back to karkand DLC pack for BF3 and I've noticed that my fps will drop to as low as 50 fps when looking out on the horizon with action going on.
For some reason, with 2 crossfire 7970's, this just doesn't seem normal. I'm usually cruising at around 100 + fps with minimum frames of around 80 fps. My system is i5 2500k @ 4.5Ghz, 8GB DDR3 1600mhz, spinpoint f3 1TB.
Anyone else having similar issues?

B2k maps are more extensive especially Gulf of Oman,

I did one for Oman today stats below using fraps

min: 63
max: 167
avg: 107

although thats only 60 seconds I should probably run longer.
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post #2889 of 38701
Quote:
Originally Posted by jshotz View Post

How do you restore stock BIOS?

BUMP!
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post #2890 of 38701
I'm stumped on the card. It's not stable at all yet. Crashed in BF3 and randomly sometimes. Here's where I'm lost and not understanding.

First of all -- I got rid of Afterburner and got Trix -- It's more pleasing on the eyes and does everything I need it to. That said, my good clocker card can do 1125/1575 without any bumps on the voltage no problems

My 2nd card, the dud is very problematic. If I give it 1.2volts and keep temps cool, I crash quickly at 1125/1575 and can barely even get a test up. If I give it bump from the stock 1.17 to a 1.175 it ran for 1,333.9 in OCCT with 2 errors before locking up the computer.

What the heck is giving in on this thing? Is it just being that picky with clocks vs voltage? Is it really THAT bad of a clocker and I'm not going to see 1125/1575 at all on that card -- Maybe I ought to just send it back and get a replacement?

Help me out -- I want those clocks gosh darnit thumb.gif
     
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