NVidia Maxwell/Kepler BIOS editing thread. GTX 2XX to 9XX now supported. - Page 226 - Overclock.net - An Overclocking Community

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NVidia Maxwell/Kepler BIOS editing thread. GTX 2XX to 9XX now supported.

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post #2251 of 3743 (permalink) Old 05-20-2015, 06:31 PM
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I have a Gigabyte GTX770 OC 2GB (GV-N770OC-2GD).

I am looking for a modded Bios, witch unlocks the 1.212V limit, and maybe the PowerLimit.

Now i am running the Card with:
111%PL, 95°cTL, +12mV, +40Hz, +350Hz, and its quite stable (no crashes/artifacts in Heaven Benchmark).

In the Heaven Benchmark the card runs effectiv with 1333MHz/3855Mhz, but it only hits ~65°c.

So I have the chance to get higher Clocks, but the Voltage Limit dont let me achieve higher CoreClocks.



Ist there a modded Bios which unlocks the Voltage to get a higher Boost Clock? Over 1350MHz in "BoostMode" would be great, maybe 1400MHz CoreClock.
Is it enough to disable the Voltage Limit to achieve a Higer Boost Clock? Or do I also need a "Boost Clock" unlock?

An please give me good link, where you can read how to load ("flash") the Bios onto the card.


I hope you can help me, and sorry for my bad english, I am from Austria wink.gif
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post #2252 of 3743 (permalink) Old 05-20-2015, 11:06 PM
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hi i have the same card and i managed to get my core clock op at 1293 mhz stable on 1.200 mv and +400 on memory. i tried to unlock the voltage but without luck. i can send you the bios i modded, it should work. wink.gif i can send it when i get home tongue.gif
to flash the bios you need nvflash, you can just google how to use it, there are dozens of videos and threads about it. biggrin.gif
if you find out how to push the card further please hit me back thumb.gif
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post #2253 of 3743 (permalink) Old 05-21-2015, 02:08 AM
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How do you Benchmark your Card?
In Furmark the card wont boost over 1250MHz.

1290MHz Boost in a ModBios is worse than my VanillaBios, witch lets the card boost up to 1333MHz.
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post #2254 of 3743 (permalink) Old 05-21-2015, 05:24 AM
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i disabled boost so the standard clock rate it 1293, i also disabled throttling. thumb.gif
i test my card with furmark as well, my card some how throttle down in furmark but ingame it don't biggrin.gif
here is my modded bios GIGABYTEGTX770WindForce3XOC2GB.zip 125k .zip file
give it a shot, but remember flashing your bios it at your own risk, but if you do it right nothing should go wong wink.gif
Attached Files
File Type: zip GIGABYTEGTX770WindForce3XOC2GB.zip (125.0 KB, 2 views)
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post #2255 of 3743 (permalink) Old 05-21-2015, 05:56 AM
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I actually scored better in Fire Strike leaving boost enabled. I tried both, my max stable overclock without boost and leaving boost enabled. Reason being, boost will occasionally be stable at higher clocks than what I locked my core clock at. Then when it needs to drop down, it will dip for a few seconds. I really don't see a reason to disable boost if you can get your card to boost high enough.

On my 960, my max "stable" overclock is 1560-1565Mhz. I can just set my boost to ~158XMhz and let it drop when it needs to. It mostly hangs around ~1575Mhz and rarely dips to ~1555Mhz.
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post #2256 of 3743 (permalink) Old 05-21-2015, 04:24 PM
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Ist there a Bios Tweak, which only removes the Voltage Limit, so i can set a higher Offset Clock? (40MHz is a bit weak)

I want to keep the GPU Boost feature, and i also dont want to change the original Fan-curve.

Does such a bios tweak exist?
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post #2257 of 3743 (permalink) Old 05-21-2015, 04:33 PM
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Quote:
Originally Posted by gogoAustria View Post

Ist there a Bios Tweak, which only removes the Voltage Limit, so i can set a higher Offset Clock? (40MHz is a bit weak)

I want to keep the GPU Boost feature, and i also dont want to change the original Fan-curve.

Does such a bios tweak exist?

Edit: I see above, you have a 770.
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post #2258 of 3743 (permalink) Old 05-23-2015, 05:26 AM
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post #2259 of 3743 (permalink) Old 05-25-2015, 06:22 AM
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Here is my leadtek 970 rom. Could please help to unlock the TDP limit to 120%. Thank you!

https://www.dropbox.com/s/6q3ytwphr6k8u7m/winfast970.rom?dl=0
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post #2260 of 3743 (permalink) Old 05-25-2015, 12:01 PM
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