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[Official] AMD Radeon HD 7950/7970/7990 Owners Thread - Page 215

post #2141 of 38704
Quote:
Originally Posted by bigvaL View Post

Wow I feel stupid... I've never used this app before didn't even see that button.

Is the "Force constant voltage" option something I should enable? It seems that way.

Also, Afterburner lets me choose which vcore I start with. It defaulted to 1175mv but I can choose others. I guess I need to figure out my real voltage so I can set that setting.

 

Select processor type as per ASIC VID.

 

Quote:
Originally Posted by Balsagna View Post

So I flashed to the Asus bios on my HIS 7970. Is there a way for me to control the voltage. I've only gotten stable at 1165/1575 so far without any voltage increase


If you are using Afterburner, enable "unofficial overclocking".  MSI Afterburner 2.2.0 Beta 11

 

Enable "unofficial overclocking" HOW TO: Enable UNOFFICIAL overclocking mode in MSI AfterBurner

 

 


Quote:
Originally Posted by bigvaL View Post


So I guess that means I have the highest default vcore.... Typical. redface.gif


Disregard what the ASIC value is, so far haven't seen the difference interms of overclokability.

 

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post #2142 of 38704
Quote:
Originally Posted by evensen007 View Post

1.175 is the right default voltage for your card. You don't need to force constant voltage (and shouldn't except in xfire crazy benching scenarios. And as before with the voltage ceiling limited it doesn't matter anyway.
I would start at setting voltage to 1.2 and then adjusting the core clock +50mhz at a time. Then +25, +10, temps permitting. You should be able to hit 1150+.
PS: Asic quality doesn't mean squat (or your default voltage). In fact, someone posted an amd article stating that it worked in reverse.

Thank you sir. So if my default is 1.175v that means the highest I can possibly set it to because of bios lock is??? 1.225 or something?

I set it to 1200mv, 1100core, 1500mem. Going to run Heaven Bench to see what happens. I tried 1100/1500 before on default voltage. All I ran was 3DMark Vantage and played some CS Source. I did have 1 freeze but it recovered and came back. Vantage had a red tint to some of the tests so I don't know if that was the program or artifacts. They weren't random or anything and the test finished so I don't know.
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post #2143 of 38704
Quote:
Originally Posted by rcfc89 View Post

I'm pretty sure mini display port will be included on the new nvidia cards. For now for me its a 7990 on a 750d with this beast http://www.walmart.com/ip/Monster-8-Digital-Life-Advanced-High-Speed-Mini-DisplayPort-to-DisplayPort-Adapter/16621307?ci_sku=16621307&ci_src=14110944&sourceid=1500000000000003142050

has anyone seen a difference between Dvi-D and display for sa950 120hz monitors and 7970?
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post #2144 of 38704
ARTIFACTS DURING WINDOWS START-UP

Hi,

I was wondering if any of you who have xfire 7970 are experiencing momentarily artifacts during windows boot up and just after the glowing windows 7 logo. This phenomenon has a duration of about 1 sec at least in my case...

So?
Edited by ElGreco - 1/26/12 at 1:40pm
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post #2145 of 38704
Registered! Should get mine Monday from the egg.
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post #2146 of 38704
Quote:
Originally Posted by bigvaL View Post

Thank you sir. So if my default is 1.175v that means the highest I can possibly set it to because of bios lock is??? 1.225 or something?
I set it to 1200mv, 1100core, 1500mem. Going to run Heaven Bench to see what happens. I tried 1100/1500 before on default voltage. All I ran was 3DMark Vantage and played some CS Source. I did have 1 freeze but it recovered and came back. Vantage had a red tint to some of the tests so I don't know if that was the program or artifacts. They weren't random or anything and the test finished so I don't know.

Correct. You can set it to 1.3v but no one thinks it's actually getting that voltage. I believe 1.22 is the theoretical limit right now. Explains why I maxed out at 1260/1700 on that voltage and couldn't get any higher all the way up to 1.3v.

Heaven is a good bench to test for artifacting as well as FH Crysis warhead bench tool and vantage.
Edited by evensen007 - 1/26/12 at 1:43pm
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post #2147 of 38704
Can someone post an SS of the proper OCCT settings to test? I've used OCCT before but only for CPUs. I have version 3.1.0 installed. I ran it at defaults on the GPU test but my GPU temp didn't go up at all.
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post #2148 of 38704
Quote:
Originally Posted by bigvaL View Post

I have version 3.1.0 installed. I ran it at defaults on the GPU test but my GPU temp didn't go up at all.

Try OCCT 4.0.1 Beta 8.
post #2149 of 38704
Quote:
Originally Posted by bigvaL View Post

Thank you sir. So if my default is 1.175v that means the highest I can possibly set it to because of bios lock is??? 1.225 or something?

I set it to 1200mv, 1100core, 1500mem. Going to run Heaven Bench to see what happens. I tried 1100/1500 before on default voltage. All I ran was 3DMark Vantage and played some CS Source. I did have 1 freeze but it recovered and came back. Vantage had a red tint to some of the tests so I don't know if that was the program or artifacts. They weren't random or anything and the test finished so I don't know.


Default as per ASIC 1.175v +0.125v, the max is 1.300v and actual also 1.300v.

 

There's memory voltage you can tweak by pressing the small arrow drop down;

 

629e5b0d_yVs1N.png

 

 

 

 

 

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post #2150 of 38704
Quote:
Originally Posted by wirefox View Post

has anyone seen a difference between Dvi-D and display for sa950 120hz monitors and 7970?

Display port is the best available right now which is why I'm surprised nvidia didn't include it on the 500 series. They say DVI will be obsolete by 2014. The 750d will only run 120hz with display port. I can't justify spending the extra 200-250 on the 950 for a fancy stand and dvi-d which is old technology.
 
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