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Safest way to increase 5770 Voltage?

post #1 of 24
Thread Starter 
Just OC'd my 5770 to 925 GPU Clock, 1300 Memory Clock, and it won't work on stock voltage. Keeps crashing games after 10 minutes because display drivers stops working.

What program should I use to increase the voltage, and how much should I increase it by?

I have MSI afterburner and CCC installed.
post #2 of 24
Quote:
Originally Posted by ComradeNF;12992824 
Just OC'd my 5770 to 925 GPU Clock, 1300 Memory Clock, and it won't work on stock voltage. Keeps crashing games after 10 minutes because display drivers stops working.

What program should I use to increase the voltage, and how much should I increase it by?

I have MSI afterburner and CCC installed.

That's strange... what drivers are you using? I'm using driver version 8.821 and catalyst version 11.2 and can run 925gpu and 1400 memory easily on stock voltage with no crash issues.
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post #3 of 24
Thread Starter 
Quote:
Originally Posted by hellfire72;12993218 
That's strange... what drivers are you using? I'm using driver version 8.821 and catalyst version 11.2 and can run 925gpu and 1400 memory easily on stock voltage with no crash issues.

Just updated drivers via Steam AMD Driver Update this morning.
post #4 of 24
Idk what to tell you. Mines runs games at 925/1400 fan 85 just fine...
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750gb Caviar Black | 2x120gb Raid 0 Windows 7 64bit Home 2x Acer H233H | Acer P244W Microsoft x4 
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Rocketfish 550w x2 Thermaltake V3 | Haf 912 Razer Abyssus Steel Series 
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i7-3770k Asus Maximus V Gene Sapphire HD6950 unlocked to HD6970 16gb RipJawsX 
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post #5 of 24
I think the card is getting too hot that's why it's crashing. Either that, or try reloading the drivers.
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750gb Caviar Black | 2x120gb Raid 0 Windows 7 64bit Home 2x Acer H233H | Acer P244W Microsoft x4 
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750gb Caviar Black | 2x120gb Raid 0 Windows 7 64bit Home 2x Acer H233H | Acer P244W Microsoft x4 
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Rocketfish 550w x2 Thermaltake V3 | Haf 912 Razer Abyssus Steel Series 
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post #6 of 24
Try lowering memory, it isnt worth the trouble, core gives you the most return.
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post #7 of 24
Thread Starter 
Quote:
Originally Posted by hellfire72;12993433 
I think the card is getting too hot that's why it's crashing. Either that, or try reloading the drivers.

It goes up to about 75 degrees, but that's it.
post #8 of 24
Not all cards are the same, But if you can with some voltage tweaks, you can take the core up to 1000 and memory to atleast 1350. I forgot what voltage i used. Try setting a custom fan profile in afterburner.
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post #9 of 24
I have been able to run on stock voltage up to 950x1335, stays solid for hours in Furmark... but crashes in 5 min of folding. now at 930x1325 and folding for days! biggrin.gif
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post #10 of 24
http://www.overclock.net/ati/633816-how-overclock-your-ati-gpu.html

Follow this guide to the "T". I got my XFX 5770 ZNFC model to 1000/1375 on 1.2v and I run 65% fan while I game, and never get over 65C. Also I'm using CCC 10.10e hotfix drivers on Win 7 64bit if that helps any.
Edited by animal0307 - 4/4/11 at 3:52pm
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