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post #261 of 926
120Hz? Do you game in 3D?

I game at 75Hz and bench at 75hz. Weird that the refresh rate affects the temps. Then again doesn't 120hz refresh rate also cut the frames in half when gaming in 3D?
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post #262 of 926
Quote:
Originally Posted by saulin View Post
120Hz? Do you game in 3D?

I game at 75Hz and bench at 75hz. Weird that the refresh rate affects the temps. Then again doesn't 120hz refresh rate also cut the frames in half when gaming in 3D?

Yep, I have it at 120Hz for use with 3D Vision, but I only use S3D mode occasionally. I normally have S3D disabled in the control panel, but I leave the display at 120Hz full-time. It looks like I can't do that if I want faster clocks.

I can only guess that the extra memory access to read the frame buffer twice as often is generating this heat.
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post #263 of 926
So I'm about to bios flash my 470 to the grunion evga 1.15v bios. Any tips before I do it?

Edit: Well xtreme tuner HD failed.

Edit: It appears that I can't go to 806 core, but I can go to 805 lol. Was able to lower my voltage to 1.062 and I'm running 81C with 80% fan. I've had to decrease my memory after installing the 256 drivers, as I had a 12C increase in temperature. I'm now at 955 Memory, instead of the 975 I was at previously. All of temps I talk about are in Kombustor under 100% load.
Edited by t3lancer2006 - 5/27/10 at 9:59pm
post #264 of 926
I have grunion ocx480bios and for me it helped the mem clocks.
I see everyone is being able to use 800core with GTX470 why cant i? even with 1.1v it jumps from the game to the desktop guess i just have a not so good card 765 with 1.050v is not bad at all though 800 looks nice
post #265 of 926
Quote:
Originally Posted by prototype7 View Post
Yep, I have it at 120Hz for use with 3D Vision, but I only use S3D mode occasionally. I normally have S3D disabled in the control panel, but I leave the display at 120Hz full-time. It looks like I can't do that if I want faster clocks.

I can only guess that the extra memory access to read the frame buffer twice as often is generating this heat.

I spent some time optimizing a custom fan profile, and this has helped tremendously with temps. The stock auto profile lets it get saturated very quickly, and then it just can't cool it back down under any real load. Not sure why they weren't more conservative with the stock profile - makes me wonder if they were concerned about the fan's lifespan.

So I'm at 825/1000/1.063V with manageable temps at 120Hz. At 850 core, I start having stability problems unless I crank up the voltage, and then temps get too high too quickly. At 60Hz, I can easily do 850/1025 at 1.075V.
Edited by prototype7 - 5/28/10 at 4:41pm
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post #266 of 926
Quote:
Originally Posted by prototype7 View Post
The stock auto profile lets it get saturated very quickly, and then it just can't cool it back down under any real load.

At 850 core, I start having stability problems unless I crank up the voltage, and then temps get too high too quickly. At 60Hz, I can easily do 850/1025 at 1.075V.
I can't think of two better reasons then those to take the dive into watercooling. Once you take the plunge, you'll say to yourself "self...why didn't I do this years ago!"
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post #267 of 926
Quote:
Originally Posted by R00ST3R View Post
I can't think of two better reasons then those to take the dive into watercooling. Once you take the plunge, you'll say to yourself "self...why didn't I do this years ago!"
LOL, thats why I did it.

I was planning to get a GTX 480, so I bought myself a water loop to keep it and my CPU cooled enough.
I run my card @ 900 core 24/7 with 100% load for folding@home. Heat is not an issue for the OC, I just don't know how far to take it on the volts. I have the version of afterburner that allows more volts... so there is possibly more room to OC.
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post #268 of 926
Yeah, it's tempting when I read about people running 480s at 900+ with far lower load temps than I can get on the best day. Maybe at some point...
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post #269 of 926
Does anyone know how to unlock the GTX 480 bios for more voltage? The latest Afterburner 1.6.0 Beta 6 came out but unlike the extreme version it only does 1.138v, it says you need an unlocked bios to go further. I seem to be able to go pass 1.138v on the 1.6.0 beta extreme version but it also seems a bit buggy. You don't really know what voltage it has actually applied sometimes.


chatch15117 or Grunion can you guys hook me up with a modded bios with unlocked voltage that works fine with the latest afterburner?

http://event.msi.com/vga/afterburner...up160Beta6.zip

Quote:
- Upper limit for core voltage slider on NVIDIA GeForce GTX 400 series graphics cards has been upped to 1213mV. Please take a note that regular GTX 400 cards will not allow you to go beyond the reference voltage limits (1087mV for GTX 470 and 1138mV for GTX 480) until unlocked BIOS is flashed

***Edit***

Never mind. There are lots of already modified bioses here guys

http://www.xtremesystems.org/forums/...10#post4376910
Edited by saulin - 5/29/10 at 1:14am
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post #270 of 926
Thread Starter 
Quote:
Originally Posted by saulin View Post
Does anyone know how to unlock the GTX 480 bios for more voltage? The latest Afterburner 1.6.0 Beta 6 came out but unlike the extreme version it only does 1.138v, it says you need an unlocked bios to go further. I seem to be able to go pass 1.138v on the 1.6.0 beta extreme version but it also seems a bit buggy. You don't really know what voltage it has actually applied sometimes.
If you look in the first post of this thread, there are 1.21v BIOS files uploaded. NVIDIA Inspector is needed to set the voltage more than your card's default value AFAIK.
    
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