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6950 won't OC - Page 2

post #11 of 21
Try out 11.2 drivers, 11.3 were giving me some issues with overclocking and eyefinity.
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post #12 of 21
Thread Starter 
Gotta go to work, thanks I'll try some of your suggestions tonight.
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post #13 of 21
When using everything at stock as you got it, and assuming there is no weird driver issue, and as a last resort use a fresh format/install if you can (I love my secondary HDD for reformats, and my older spares HDDs for if I need them)

If it truly can`t OC past 810/+1250 at the correct volts....use GPUZ 0.5.2 and see if you can get info like this to make sure the volts are right



If it can`t OC past 810, I`d send it back, if its possible



Mine is non-ref and probably can`t unlock.......But in GTA4 anyway, 900/1500 at stock of 1.1V is stable, have played for +2 hours without issue.
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post #14 of 21
Thread Starter 
Quote:
Originally Posted by deltaspirit View Post
Try out 11.2 drivers, 11.3 were giving me some issues with overclocking and eyefinity.
And the winner is! 11.3 CCC
I installed 11.2 and it runs 840 Mhz smooth and cool. Going to try the CCC hack again and see how far it will go on stock voltage.
You wouldn't think with a card this new to the market that you would have to go backwards with the drivers. Shouldn't they be improving every month.
Oh well,this is the first time I can think of that I have had a ATI driver problem.
Thanks delta
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post #15 of 21
^^Good luck dude, hope you get it sorted out. Btw, I really like 11.4 previews.
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post #16 of 21
Thread Starter 
Quote:
Originally Posted by tsm106 View Post
^^Good luck dude, hope you get it sorted out. Btw, I really like 11.4 previews.
Did the CCC reg hack and just played 5 minutes of Crysis 2 at 900 Mhz at stock voltage. Things are definitely looking up.
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post #17 of 21
Glad to hear, you should take a look at this bios that flashes it to a 1.175v card, unlocked shaders and unlocked higher overclock ability in CCC.

http://www.xtremesystems.org/forums/...d.php?t=265787
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post #18 of 21
Sounds like it's going well.

Im on 900/1375 with stock 6950 voltage (1.1)
unlocked gigabyte 6950 bios with extra shaders.

Done with Rbe and Msi Afterburner.

1.12V @970/1500
Edited by Casey Ryback - 4/8/11 at 7:17pm
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post #19 of 21
Thread Starter 
Just got home from work and played some Crysis 2 at 880/1375 unlocked shaders Power Control at 0 and stock 6950 voltage. Set the fan at 60% and got up to 59 C after about 20 minutes,not bad.
GAMER
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CPUMotherboardGraphicsRAM
Core i5 750 Intel DP55KG Gigabyte HD6950 2GB 880/1375 1536 shaders stock v 4 GB DDR3-1333 HyperX 
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1 TB Blue Ray Windows 7 HP 64 3-22" LCD's 1680x1050=5040x1050 Eyefinity 
PowerCase
Corsair HX650 CM Storm Sniper 
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GAMER
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CPUMotherboardGraphicsRAM
Core i5 750 Intel DP55KG Gigabyte HD6950 2GB 880/1375 1536 shaders stock v 4 GB DDR3-1333 HyperX 
Hard DriveOptical DriveOSMonitor
1 TB Blue Ray Windows 7 HP 64 3-22" LCD's 1680x1050=5040x1050 Eyefinity 
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Corsair HX650 CM Storm Sniper 
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post #20 of 21
Quote:
Originally Posted by jameskelsey View Post
Just got home from work and played some Crysis 2 at 880/1375 unlocked shaders Power Control at 0 and stock 6950 voltage. Set the fan at 60% and got up to 59 C after about 20 minutes,not bad.
Raise the powertune othewise it'll throttle the card when it hits the tdp limit. The ccc hack just works doesn't it? Excellent temps btw.
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