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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 1223

post #12221 of 38701
Quote:
Originally Posted by Majin SSJ Eric View Post

Quote:
Originally Posted by locc View Post

Little driver speculation before 79xx "XT2" chips are released: In Guru3D forums Unwinder (writer of RivaTuner and Afterburner) commented:
"Unofficial overclocking mode is completely gone with new drivers, old libs no longer work. So use official mode and stay within CCC clock limits. Thank greedy idiots from AMD for that."
This is with current 9.xx beta drivers and possibly drivers coming after that. Could this be AMD's way to prevent the overclocking of current 79xx chips so they can "make room" for "XT2" chips with higher CCC overclocking limits after "unofficial overclocking limits" are no longer working. This means that current 79xx cards would be CCC capped to 1125 / 1575 MHz. This is purely my speculation at this point.

I'm surprised no one else has picked up on this? This would be a big deal if true....

I refuse to believe AMD are that stupid. Most likely was left out by mistake, quite a few of the 12.x drivers have had things missing in them
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post #12222 of 38701
Quote:
Originally Posted by thegh0sts View Post

anyone know how to let MSI overclock further than 1100MHz on a 7950? Trixxx can do it but not the CCC or AB.
is it ok to use Trixxx for the overclock and AB just to show the FPS, usage and clocks?

Sapphire trixx is the best thrid party overclocking software. I don't know if you can use both at the same time , though for different purposes.
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post #12223 of 38701
Quote:
Originally Posted by sena View Post

How much Volts it needs for that clock to be stable and what is your ASIC?

1.225 asic 58%
post #12224 of 38701
Quote:
Originally Posted by raghu78 View Post

Sapphire trixx is the best thrid party overclocking software. I don't know if you can use both at the same time , though for different purposes.

I use CCC to stick a 20% power on and TRIXX 4.1.0 to set the sliders. Also, with the unlocked BIOS which allows clocks to 2000mhz :O
post #12225 of 38701
I'm really having trouble dialing in the overclock for the memory. Anyone have tips on what to use to test it? Someone mentioned using OCCT... but it doesn't seem to go over 50% usage on each card for me ever. So I won't get artifacts there... but then I will in games that do push it further.

I've been using GPUTool... but I'll do a 10 minute run and get no artifacts, but then go and play a game and still see artifacts. How long should I be testing for? How much increments should I be going up? I've noticed that there's rarely ever any artifacts with the memory being too high also. What should I be looking out for?
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post #12226 of 38701
Quote:
Originally Posted by Derko1 View Post

I'm really having trouble dialing in the overclock for the memory. Anyone have tips on what to use to test it? Someone mentioned using OCCT... but it doesn't seem to go over 50% usage on each card for me ever. So I won't get artifacts there... but then I will in games that do push it further.
I've been using GPUTool... but I'll do a 10 minute run and get no artifacts, but then go and play a game and still see artifacts. How long should I be testing for? How much increments should I be going up? I've noticed that there's rarely ever any artifacts with the memory being too high also. What should I be looking out for?
What kinds of artefacts you see? And how much.
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post #12227 of 38701
Quote:
Originally Posted by Tslm View Post

I refuse to believe AMD are that stupid. Most likely was left out by mistake, quite a few of the 12.x drivers have had things missing in them

Alot of people often forget that those are BETA drivers. So Unofficial overclocking could be back in the next iteration. Who knows?

But a conspiration theory is alot more fun on the internet! Instant panic, raised fists of anger, and then the internet catch on fire with a witch hunt! biggrin.gifrolleyes.gif
Edited by Levesque - 6/18/12 at 4:53am
    
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post #12228 of 38701
Quote:
Originally Posted by sena View Post

What kinds of artefacts you see? And how much.

It's weird... I have an issue with ONE track in dirt 3. After like 5-10 min on that track, the driver crashes. Now I confirmed that it's not the OC, because I put it back on stock and it still crashed, tried different drivers and it's the same. I believe it may be an issue with my copy of the game.

Yesterday I bought Driver:SF and there's a few areas where I get flashing black, but it's very quick... and then on some other areas I get flickering pink sections. Which last no more than a split second also. Again though... I put everything back to stock and still see the same issues. I was running the cards at 1183/1800... but now I went down to 1160/1600. So that's why I was asking if there's a better way of testing for just the memory... frown.gif
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post #12229 of 38701
Quote:
Originally Posted by DB006 View Post

I use CCC to stick a 20% power on and TRIXX 4.1.0 to set the sliders. Also, with the unlocked BIOS which allows clocks to 2000mhz :O

You should use the new Trixx 4.3.0, you can set 20% power in Trixx and leave CCC out of the picture. This will result in less conflicts and problems.
Just a tip thumb.gif
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post #12230 of 38701
Quote:
Originally Posted by Derko1 View Post   It's weird... I have an issue with ONE track in dirt 3. After like 5-10 min on that track, the driver crashes. Now I confirmed that it's not the OC, because I put it back on stock and it still crashed, tried different drivers and it's the same. I believe it may be an issue with my copy of the game.
 

 

I have the same problem with Dirt 3.  The smelter track on landrush or RX always crashes and I'm forced to reboot.  Apparently Codemasters figured nobody would ever have crossfire HD 7970s because if i disable crossfire, the smelter track works fine.  It's a problem with the game and Codemasters most likely will do nothing to fix it.  I'm glad I got my copy for free.

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