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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 792

post #7911 of 38704
I don't think I'll ever be able to OC my card T_T

After fresh install of windows 7, windows updates, RC11, AND 12.3, I STILL can't OC my card and play BF3 or TF2. (only two games i have installed at the moment)

They play just fine without an Overclock in eyefinity, but once I OC, the games freeze, RIGHT at start up (bf3, and tf2 will freeze once I join a server)

What can I do? I'm sick of not being able to do this D: all I want is an OC'd card with eyefinity running...
post #7912 of 38704
Quote:
Originally Posted by Silvaren View Post

%60.7 ASIC
My temperatures are fine i get something like 70-73 not more than that. Should i reduce memory clock ? or Increase voltage ? and how much should i reduce/increase.
Thanks.

try to reduce memory clock to 1500mhz.
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post #7913 of 38704
Quote:
Originally Posted by tsm106 View Post

xfx be should run 1125/1575 or close to it on stock voltage. I have two be cards and they both can max overdrive with no volts on the stock cooler. Have you tested the card on stock voltage? This will give you an idea of how good the card is. Btw, whats your asic%? I didn't like 12.3 whql very much, it removed some aspects of unofficial overclocking control.

Can this issue be about vrm temperatures since it is not happening instantly and it is not happening when i use default clocks but i cant check vrm temperatures with anything... Is there a way for it ?
post #7914 of 38704
Quote:
Originally Posted by Silvaren View Post

%60.7 ASIC
My temperatures are fine i get something like 70-73 not more than that. Should i reduce memory clock ? or Increase voltage ? and how much should i reduce/increase.
Thanks.

Do you know what your stock asic voltage is? By my math your base volts is over 1.2v lol, can't be right.
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post #7915 of 38704
Do you mean when i press on reset while using Afterburner ? It gives me 1174 core voltage.
post #7916 of 38704
Quote:
Originally Posted by Majin SSJ Eric View Post

Getting very excited! biggrin.gif

450

Ooooh baby! They come out here today - but I need to sell my DCUII first so I have funds sad-smiley-002.gif
Quote:
Originally Posted by svthomas View Post

Indeed. 3.5 more hours till work is over. biggrin.gif I think it is somewhere in the ballpark of 4.5 gigs, or so a co-worker has told me.
I think they nerfed tanks, too. Thank you Jesus!
**sorry for the double post, didn't realize.

It's 1.5GB, according to a mate who downloaded it last night. I'm about to boot up my main rig and do it - 300kbps woohoo
Quote:
Originally Posted by firestorm1 View Post

try to reduce memory clock to 1500mhz.

I only got that artifacting with an unstable core clock.
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post #7917 of 38704
I've got my 7970 oc'ed to 1216 core and 1800 mem on 1.2v. When i try to go higher on the core I instantly get artifacts (even if I lower mem and/or raise volt ). Does this mean that my card won't go any higher... ever? Or could I get s better oc if I use the asus BIOS?
post #7918 of 38704
Quote:
Originally Posted by Silvaren View Post


Can this issue be about vrm temperatures since it is not happening instantly and it is not happening when i use default clocks but i cant check vrm temperatures with anything... Is there a way for it ?


 

HWinfo64 will read the VRMs

http://www.hwinfo.com/download64.html#

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post #7919 of 38704
Quote:
Originally Posted by Jessekin32 View Post

I don't think I'll ever be able to OC my card T_T
After fresh install of windows 7, windows updates, RC11, AND 12.3, I STILL can't OC my card and play BF3 or TF2. (only two games i have installed at the moment)
They play just fine without an Overclock in eyefinity, but once I OC, the games freeze, RIGHT at start up (bf3, and tf2 will freeze once I join a server)
What can I do? I'm sick of not being able to do this D: all I want is an OC'd card with eyefinity running...

If you are using afterburner, do you have your GPU type set with the proper voltage when you go to settings? What is your ASIC percentage?

This should give you an idea about the GPU type and the voltages each should be set at.

up to 2F90 (up to 75% quality) - 1.1750V
up to 34D0 (up to 80% quality) - 1.1125V
up to 3820 (up to 85% quality) - 1.0500V
up to 3A90 (up to 90% quality) - 1.0250V
Edited by svthomas - 3/29/12 at 3:24pm
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post #7920 of 38704
For all with o/c problems : watch your temps ! For picky chips even 70c is enough for artifacts above 1125mhz.

Some examples from my 7970 :

  • 1125/1570 /1.13mv ok but with artifacts threshold at 75c. Above that i get slight artifacts

  • 1130/1570/1.13 ok but with artifacts threshold now at 71c.

  • 1200mhz my artifact threshold is at 58c = 100% fan

This chip is thirsty and needs water as hell biggrin.gif

As you can understand more speed= lower temp threshold for artifacts . My card is not vcore hungry at all but its very picky with temps.

So raise your fan rpm and test again

.
Edited by stinart - 3/29/12 at 3:40pm
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