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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 225

post #2241 of 38704

Quote:

Originally Posted by Faksnima View Post


asic.png
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Having problems with display driver crashes when OC'd and running GPU tool...seems that if I manually set the voltage in trixx to the default, it clears it up. I can't for the life of me get MSI burner to work with voltages, despite admin mode and .cfg file changes.


Something is off. Try to flash with this ASUS BIOS if will correct the problem. Look for the flashing Tools from Denim in post #2.

 

 

 

Asus.HD7970.3072.120104.zip 40k .zip file

 

 

 

 

 

This is how to enable "unofficial overclocking" then in Afterburner UI settings , enable voltage control and unlocking.

  

HOW TO: Enable UNOFFICIAL overclocking mode in MSI AfterBurner

 

 

 

 


Edited by Ken1649 - 1/26/12 at 9:31pm
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post #2242 of 38704
It seems like after the initial errors, if I manually turn up the voltage from 1170 to 1175 on Trixx i will not have those issues. I have a feeling that the card is one of the undervolted ones. If I could get MSI Afterburner to work, I might be sure of it.
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post #2243 of 38704
Quote:
Originally Posted by Denim-187 View Post

Theres no evidence of this, so far its been random results.
Lower quality is not better and the theory just doesn't make sense. Im guessing its a series of many factors when it comes to determining the overclockability headroom.
So far in my experience, higher has been better. And ive tested 6 cards.

That's been my experience too although I've only tested two cards. The one with a default voltage of 1.175V only oced to 1150Mhz on the core even with increased voltage. My current card has a default of 1.05V (ASIC = 83%) and hit 1225/1500 at stock voltages with the reference cooler. With H20 it does 1325/1625@1.25V. Stability tested on Heaven looping and STALKER:COP benchmark.

Like others have found though maxing the voltage to 1.3V doesn't do much for my oc. Anyone know if the Extreme Asus bios eliminates the 125mV OVP issue?
post #2244 of 38704
Ty for the link, I've tried those steps to no avail.
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post #2245 of 38704
Quote:
Originally Posted by Faksnima View Post

Ty for the link, I've tried those steps to no avail.


Uninstall Afterburner, select no when prompted to keep settings. Restart PC, go to Afterburner install folder, delete the whole folder.

 

Uninstall Trixx or Asus Tweak if you have it in the system.

 

Reinstall Afterburner 2.2.0 Beta 11. Exit Afterburner and CCC Overdrive prior to editing the "unofficial overclocking" in .cfg file. Save it as "read only".

 

Restart PC and try again.
 

 

 


Edited by Ken1649 - 1/26/12 at 9:48pm
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post #2246 of 38704
You 7970 guys (me too and I have) should head over to TPU and put a word in the RBE request thread. C'mon put two and two together so Bagz will add 7970 support to RBE sooner than later.


>>>>http://www.techpowerup.com/forums/showthread.php?t=57157
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post #2247 of 38704

I don't think it will be any easier for 79xx series. Looks like will need "green light" to be able to pass the multi-lock.......... Remember how we are not able to edit clocks in 6xxx series as in 5xxx or previous series.

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post #2248 of 38704
Quote:
Originally Posted by Ken1649 View Post

I don't think it will be any easier for 79xx series. Looks like will need "green light" to be able to pass the multi-lock.......... Remember how we are not able to edit clocks in 6xxx series as in 5xxx or previous series.


You actually can edit clocks, it just won't apply to successive cards in a cfx set. But that isn't even the purpose, it's to give us the ability to set voltage!!! You can override Overdrive limits via the registry as racerx showed us.
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post #2249 of 38704
So has there been any signs of a particular brand being of better quality or OC ability?
post #2250 of 38704
Quote:
Originally Posted by Kinzer View Post

So has there been any signs of a particular brand being of better quality or OC ability?

No. That's not how AMD delivers silicon.
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