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~~The GTX 670 Overclocking Master-Guide~~ - Page 186

post #1851 of 3357
Quote:
Originally Posted by SirShello View Post

First of all: Thank you very very much for this guide! With your help I was able to overclock my GPU for the first time. And I'm a total newbie to OC!

But I have a question... Since I've overclocked my GPU, the GPU clock is at a constant 1202 MHz (without OC it should be at 980) and the temperature is about 47°C all the time. Even right after starting my PC with the default Precision-X settings and without any processes running I have a permanently high GPU clock and temperature.

This can't be very healthy for my card, can't it? And how can I fix this?

When I was initially doing the OC with Heaven and running FurMark etc., this wasn't the case. The GPU clock and temperature immediately dropped after I closed the programs. I can't tell when this thing started, I just noticed it after playing for a while.

Thank you very much for your help!

PS: I'm sorry if this is a stupid question, but as I told you, I'm a total newbie ;-)

You didn't accidentally enable K-Boost in the Precision settings, did you? Thats' the only thing I can think of off-hand that might cause it to stay at full clocks all the time.
post #1852 of 3357
Quote:
Originally Posted by pc-illiterate View Post

disable the second card in device manager after you disable sli in nvidia cp.

I did this to have on of my cards running a "constant boost" while the other is disabled (to save power and whatnot) but now that I did this: My readings in EVGA precision Monitoring are off... It says my clocks are 706mhz when all the other programs say 1150mhz (like it used to be before I touched the Device manager)...

What happened?
post #1853 of 3357
Out of curiosity, does anyone know what this error means, and why it is popping up when running Heaven Benchmark even on stock clocks? Was attempting to OC my EVGA Reference 670 and tried to run Heaven at stock to get a base score and it popped up every time.


post #1854 of 3357
Quote:
Originally Posted by Tavar View Post

Out of curiosity, does anyone know what this error means, and why it is popping up when running Heaven Benchmark even on stock clocks? Was attempting to OC my EVGA Reference 670 and tried to run Heaven at stock to get a base score and it popped up every time.




Basically... bad overclock tongue.gif. You can get all matters of happy-fun-time errors when your nvidia crashes and burns on you.


EDIT:


TADAAAAA

http://www.3dmark.com/3dm11/6102320


EDIT2 :

TADAAAAA

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Esmeralda
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post #1855 of 3357
Quote:
Originally Posted by Forceman View Post

You didn't accidentally enable K-Boost in the Precision settings, did you? Thats' the only thing I can think of off-hand that might cause it to stay at full clocks all the time.

That, was it, easy as that. I must have enabled it by accident.

Thank you! smile.gif
post #1856 of 3357
Hello, one and all!

First-time poster, but I'm not what you would call a "noob". (I'm a bit too old for that... tongue.gif )

I've started on my 670 OC journey, and encountered a "problem" pretty early on. I haven't read the entire thread, having only made it about a third of the way through. I tried searching, but, either my questions are no good, or I'm a special case... (Based on the length of the thread so far, I figured I'd better ask my question, and hope that it hasn't been answered already, rather than taking a week to finish up the reading...)

I've had my cards since early last year (2x EVGA 4GB Superclocked+), and have just been running them stock. The default clock speeds on this card are a base of 967, and a boost of 1046. (IIRC, the KB is somewhere around 117, 113, 107 or something like that...)
I haven't begun messing with the second card in my SLI setup, wanting to do them one at a time...

My numbers aren't 100% exact, since I'm not at home at the moment, but they should be pretty close...

I can max the voltage sliders without a problem (the card will occasionally hit 110% TDP, but no higher, consistently hangs around 107% or so), and I can quite easily keep the temp at 60-ish. I can up my boost to anywhere from 1058 - 1061, and have absolutely no problems. Much higher, and Heaven hangs. I can alt-tab out of it, no problem.

Now, my understanding is that I'm hitting the max OC on my card. This isn't my issue. My question is, my clock speed maxes out (stays 100% consistently flat) ar 1172 (or whatever).

Changing the OC from 1055 to 1061 does nothing to impact the max clock.

I can't figure that one out... Shouldn't altering the boost OC do something to the max frequency?

Now, I only had a couple hours to mess with it, so I still have a whole lot more experimenting to do, but this struck me as odd, and I spent an absurd amount of time playing with it last night.

Am I off my rocker? (At least, as far as this is concerned... Anything else is totally subjective...)
Should I just accept that the max is 1172 (or whatever), and set the boost OC to the minimum (or maximum, whichever) that stably gives me this speed?
Or is there some other route I need to look at?

Thanks!

-Jeff B.

(And now I'm back to reading the thread...)
post #1857 of 3357
Is this any good? The temp got that high after running EVGA OC Scanner X for 6 minutes and then stayed there flat for another 10 minutes i let it run.

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post #1858 of 3357
Quote:
Originally Posted by Chunin View Post

Is this any good? The temp got that high after running EVGA OC Scanner X for 6 minutes and then stayed there flat for another 10 minutes i let it run.


It would be nice to see a picture of the monitoring window, but from what i can see, your temperatures are too high. You really want to stay below 69C to avoid throttleing. (Again, i can't see if you are hurt by throttleing, because i can not see your monitoring graphs)
post #1859 of 3357
welcome cjeffb, kepler boosts in increments of 13mhz on core. so you may have to go up higher in raising the added boost. i dont know if this is what you meant.
are you maxing the power target and voltage? it could be the reason you arent getting any higher. also, the 4gb cards dont clock as high. you might be better on vram overclock after you find your max core clock.
make sure to reboot after every crash. the driver wont fully re-initialize until you do. also make sure you have your best card in the top for best non-sli performance. also, since you have identical cards, you may as well sync the sliders. it will make things a little quicker to find max sli overclocks.
hope i helped...
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post #1860 of 3357
Quote:
Originally Posted by pc-illiterate View Post

make sure to reboot after every crash. the driver wont fully re-initialize until you do. also make sure you have your best card in the top for best non-sli performance. hope i helped...

Helped me. I never knew either of those points of advice. Thanks!
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