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GTX 600 Series Unlocked Voltage Bios' downloads and tools. - Page 174

post #1731 of 7933
Quote:
Originally Posted by =XE=NOVA View Post

well did some tweaking and got this fellas applaud.gif core @ 1320 memory @ 1852 1.21V and @145% power target.


Why are his texture and pixel fill rates different on his 670?
post #1732 of 7933
Quote:
Originally Posted by majnu View Post

Why are his texture and pixel fill rates different on his 670?

it is because his memory clock is higher.
post #1733 of 7933
lol that makes sense. smile.gif
post #1734 of 7933
Anyone else getting wildly fluctuating boost clocks in 3dmark11 after flashing the higher volt modified bios? Causes my score to drop considerably, doesn't seem to be a problem in games or heaven though
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post #1735 of 7933
Quote:
Originally Posted by y2kcamaross View Post

Anyone else getting wildly fluctuating boost clocks in 3dmark11 after flashing the higher volt modified bios? Causes my score to drop considerably, doesn't seem to be a problem in games or heaven though
Temps will cause boosted core speed to drop as it drops down to a lower power state to try and reduce core temps.

If you are now running higher core voltage, then you'll also have higher core temps, which results in more fluctuation as it drops down to the lower power states and then when that causes the core temps to drop below the threshold it will jump back up to a higher power state. This repeats over and over and causes the fluctuations.

It could also be that you have the power setting in the nvidia control panel set to "adaptive" instead of "prefer maximum performance".
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post #1736 of 7933
Quote:
Originally Posted by un-nefer View Post

Temps will cause boosted core speed to drop as it drops down to a lower power state to try and reduce core temps.
If you are now running higher core voltage, then you'll also have higher core temps, which results in more fluctuation as it drops down to the lower power states and then when that causes the core temps to drop below the threshold it will jump back up to a higher power state. This repeats over and over and causes the fluctuations.
It could also be that you have the power setting in the nvidia control panel set to "adaptive" instead of "prefer maximum performance".
Temps never go above 60 during the tests and prefer maximum performance is set
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post #1737 of 7933
I used the F12 Windforce Bios on Page 50 (I think) and the MAX overclock I could get was +20 on the GPU Clock and +20 for the Memory. Temps in Benching increased by 9-10 degrees and my Unigene score went from 145.1 to 152.4FPS.

What is good is that both cards now show the same Boost Clock as Kepler Boost has been disabled. Previously one card would only boost as high as 1250Mhz and now it goes to 1283Mhz.

Gaming whilst playing BF3 hasn't crashed yet. I forgot to monitor the temps so will update how much it increased by. My overclock is not as good as others who are getting sub 1300Mhz on the default Voltages or 1400 using the modified Bios but at the end of the day it's all the luck of the draw. It's definitely not a Silicone lottery as both my cards have an ASIC of 100% - which I knew meant bull crap, but it's good to know nevertheless.

Both cards remained under 60 whilst gaming. smile.gif
Edited by majnu - 9/27/12 at 10:17am
post #1738 of 7933
Quote:
Originally Posted by immppa View Post

Can anyone say that could i use any modded bios (like reference bios) on my msi gtx 670 pe oc?
thanks! smile.gif

Anyone??
post #1739 of 7933
I'm guessing you could, you can see few people using bios' from another manufacturer here but why would you want to, doesn't yours include ability to overvolt etc already?
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post #1740 of 7933
This is great!

With stock bios my GB Windforce x3 670 only did about 1230mhz frown.gif

After the flash, 1340mhz!!

And it seems to have fixed all my problems with bf3 crashing all the time.
Luv you guys! wink.gif
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