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~~The GTX 670 Overclocking Master-Guide~~ - Page 208

post #2071 of 3357
Quote:
Originally Posted by de4ler View Post

Yeah i was reading about flashing the bios but im scread and i dont have experience whit bios :/
But thx 4 the tip maybe next month im gona try it after i read more about it .
Flashing bios on graphic card only looks scary, but it's easy after you read some tutorials.
post #2072 of 3357
There is absolutely no need to flash Power Edition cards. Install MSI AB 2.2.3 - this one gives You voltage straight to GPU omiting the driver lock. You won't see the extra voltage in GPU-z nor MSI AB (it will show 1.175) but it is there for sure (I can max out my 660Ti on much higher clocks than on any other version of AB). And this heat... smile.gif

Just try it out.
post #2073 of 3357
So I edited the bios on my cards to have a limited boost clock of only 1215 and it still goes over that value, the bottom card is always +13Mhz higher than the top card. I am not sure what is going on lol!
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Nexus
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post #2074 of 3357
Quote:
Originally Posted by Jinto View Post

I thought coil whine was only a problem with stock air-cooled cards? How can there be coil whine with a water block?

Woot? What does the cooler have to do with whining coils? It's not connected to cooler.
post #2075 of 3357
Quote:
Originally Posted by Mephic View Post

There is absolutely no need to flash Power Edition cards. Install MSI AB 2.2.3 - this one gives You voltage straight to GPU omiting the driver lock. You won't see the extra voltage in GPU-z nor MSI AB (it will show 1.175) but it is there for sure (I can max out my 660Ti on much higher clocks than on any other version of AB). And this heat... smile.gif

Just try it out.

wow THX im gona try it now
post #2076 of 3357
Just be careful when using it and monitor Your temps because You won't be able to actually monitor the voltage.

My final clocks on my 660Ti using AB are:

Core Voltage: +60mV (according to what I've read it gives me around 1,233v on GPU)
Memory Voltage: +30mV
Aux Voltage: stock

GPU clock +120MHz
Memory offset +700MHz

adding that to my boost clock it gives me keppler boost on 1348MHz/7400MHz on full load - Far Cry 3, everything on Ultra, 4xMSAA, Ultra view range stable 45-50 FPS, with 8xMSAA it goes down to 35 with memory clocked but still is playable.

But bear in mind that I really got a cherry picked chip.
Edited by Mephic - 3/28/13 at 5:22am
post #2077 of 3357
Is there a way to have these chips always run at full speed when in 3d? I noticed a lot of time in bioshock infinite where i initially get about 30-40fps in the scene and it ramps up to 60fps as the card clocks ramp from 800+Mhz to my overclocked speed of 1215
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post #2078 of 3357
Quote:
Originally Posted by EarlZ View Post

Is there a way to have these chips always run at full speed when in 3d? I noticed a lot of time in bioshock infinite where i initially get about 30-40fps in the scene and it ramps up to 60fps as the card clocks ramp from 800+Mhz to my overclocked speed of 1215
Check out this topic: http://www.overclock.net/t/1267918/guide-nvidia-inspector-gtx670-680-disable-boost-fixed-clock-speed-undervolting
post #2079 of 3357
Quote:
Originally Posted by de4ler View Post

Yeah i was reading about flashing the bios but im scread and i dont have experience whit bios :/
But thx 4 the tip maybe next month im gona try it after i read more about it .

Or you may use KGB that thing will max your powerlimit to 150% and max core voltage to 1.212v (only for GK104) also max your fan to 100%, here is the thread on XtremeSystems. I saw this tool also in this forum, you may try to look at it.
I've done it with Nvidia Flash in Windows but it became unstable frown.gif so I rolled back to ori VBIOS.
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SkynetX
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post #2080 of 3357
Quote:
Originally Posted by mokmoki View Post

I have a Palit Jetstream GTX670, and i tried this guide. I only managed to squeeze out a small bit out of it.

Stock:
Boost Clock: 1085
Memory Clock: 1527
Max Boost: 1150 (just around 65 Kepler boost thumbsdownsmileyanim.gif)

OC:
Boost Clock: 1140 (+50 offset)
Memory Clock: 1652 (+250 offset)
Max Boost: 1202 (this goes down to 1189 at full load for prolonged periods because temps go beyond 70c)

What do you guys think of the results? This card runs quite hot, I only managed to setup my fan profile to Quiet because when I try to follow the Performance curve, it goes above 70c anyway.

Also, I don't know if I'm identifying artifacts correctly, haha. My only idea of artifacts are the ones I see in youtube where the artifacting is so blatantly obvious. I don't know if I missed any artifacts in Heaven benchmark while testing.. confusedsmiley.png
We have similar card mokmoki smile.gif
Yeah this cooller is not that good mad.gif even with dual fan and custom heatsink (but only 3 heatpipes) it reaches 80c when I benchmark Vantage Pmode at stock clock also I use open rig/no case. Ambient temp is quite cool at night in myplace but not cool enough like in europe biggrin.gif
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SkynetX
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Seagate Barracuda HDD 1TB SATA3 SAMSUNG Bluray Combo SH-B123L Cooler Master Hyper 212X Turbo Windows 10 Pro 64bit 
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