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Help a noob OC his 5870 EF6 CF

post #1 of 8
Thread Starter 
Ok, so I used CCC to OC to 900/1300 and ran all the typical benches and stress tests. Runs stable! Even with my i7 950 @ 4.21

So I put my gpu clocks back to stock settings in CCC and then I download and run Afterburner. I enable "unofficial overclocking", enable manual voltage control, and sychronize both gpus.

I leave all settings at stock (1.17v 850/1200), click apply and boom, crash.

So why isn't afterburner letting me run stock voltage and clocks but CCC does? CCC even lets me go to 900/1300 without a hitch.

What am I missing? I see others able to hit core 1000 and mem 1300 on 1.26v without a problem. (I know, I know - not all cards perform equally, but I cant even get stock settings stable on Afterburner.)

Please help a noob out!
    
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post #2 of 8
Afterburner is a terrible program that's received praise for reasons far beyond my comprehension. Just my 2 cents
    
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post #3 of 8
Thread Starter 
I hear ya buddy, but what else am I supposed to use?
    
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post #4 of 8
Thread Starter 
All this fancy equipment and no way for me to play waaaa
    
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post #5 of 8
I've had conflicts with CCC and MSI AB that caused crashes.

Exit CCC and try AB.
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post #6 of 8
I wouldn't blame Afterburner. I got an extra 120mhz out of my GTX 570 without a problem.

Is there any way to disable CCC? CCC may be trying to fight with Afterburner for control over the clocks and when you bump up the clocks in Afterburner CCC might be trying to downclock them because it's not an official overclock.

IDK man, I've personally never seen this problem and I've been on both side of the GPU fence. My 6870 didn't give me any problems with Afterburner but then again I NEVER screwed with anything under CCC, just enabled overscan so that my monitor was at the right res when I had HDMI plugged in.

There's a process that might work but it involved:

*Erasing CCC and Afterburner in control panel.
*Downloading driver sweeper.
*Boot into safe mode and use driver sweeper to get your ATI drivers off your HDD.
*Reboot into windows. Go on the interwebs and download whatever the newest drivers are that support your card and run the installation. Besides screwing with monitor resolution don't touch any overclocking features.
*Redownload Afterburner and try OC'ing.

I know it seems like a long and tedious process but I did this when swapping out my 6870 for the 570. It wasn't all too hard.

DO THIS AS A LAST RESORT

I cannot guarantee any of this will work, only that I have done this myself.
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post #7 of 8
Thread Starter 
Quote:
Originally Posted by blackbalt89 View Post
I wouldn't blame Afterburner. I got an extra 120mhz out of my GTX 570 without a problem.

Is there any way to disable CCC? CCC may be trying to fight with Afterburner for control over the clocks and when you bump up the clocks in Afterburner CCC might be trying to downclock them because it's not an official overclock.

IDK man, I've personally never seen this problem and I've been on both side of the GPU fence. My 6870 didn't give me any problems with Afterburner but then again I NEVER screwed with anything under CCC, just enabled overscan so that my monitor was at the right res when I had HDMI plugged in.

There's a process that might work but it involved:

*Erasing CCC and Afterburner in control panel.
*Downloading driver sweeper.
*Boot into safe mode and use driver sweeper to get your ATI drivers off your HDD.
*Reboot into windows. Go on the interwebs and download whatever the newest drivers are that support your card and run the installation. Besides screwing with monitor resolution don't touch any overclocking features.
*Redownload Afterburner and try OC'ing.

I know it seems like a long and tedious process but I did this when swapping out my 6870 for the 570. It wasn't all too hard.

DO THIS AS A LAST RESORT

I cannot guarantee any of this will work, only that I have done this myself.
Thanks! Ill give it a try +Rep
    
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post #8 of 8
Quote:
Originally Posted by itcrashed View Post
Thanks! Ill give it a try +Rep
I mean like I said. Only do that if you cannot figure out what's going on.

I did this with my 6870 and it wasn't particularly hard, just gotta make sure everything is done right. You may want to Google Driversweeper. One of the links is for a download from an overclockers website where it gives you similar directions to what I just told you just so you can make sure you're doing it right.

I found it. Here you go.
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Black Sand
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