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~~The GTX 670 Overclocking Master-Guide~~ - Page 12

post #111 of 3357
Thread Starter 
Quote:
Originally Posted by amunfortex View Post

"when i go to play skyrim everything becomes all flashy ppl get thrown in the air. you wouldnt think a fresh install of windows would help at all maybe its keeping some info from my 560ti and doesnt want to update it? thanks in advance

Well, first off, the 'ppl get thrown in the air' thing is an established bug with the skyrim engine. Observe lol biggrin.gif

As for the things that are flashy, are they constantly flashy no mater where you stand or look at them in the game? Are the same things constantly flashing? Memory related artifacts won't be constantly flashy, they last literally less than half a second and rarely appear in the exact same place more than once. They usually aren't just a single color either, most often memory related artifacts are green, blue, white, and purple (in order of prevalence). If you can stand still in one spot and see something constantly flashing, it is probably just a problem with the game and not your overclock. Just save your game in an area where you see a lot of flashing, close the game, revert your overclock to default value, re-open the game, and load your game. Now check for flashing. If it's gone it might be memory related, though it might also just be because you restarted the game. So just to be sure, close the game again, reload your overclock settings, and then open the game again, and load your save. If the flashing is gone still, then it's probably not your overclock. If it's back after re-overclocking, then it's probably your overclock.
post #112 of 3357
Thread Starter 
Quote:
Originally Posted by Cosmic Collision View Post

Question, on one particular run the GPU clock was steady at 1239MHz then a few minutes into it I got an extra 13MHz and sat at 1252MHz for the rest of the run
Here are some pics, it looks stable I guess. At least it's not going down. Warning: Spoiler! (Click to show)
611
605
Should I keep pushing up?

What is your power target set to? That throttling might be power percent related. Does it happen exactly like that every run of Heaven (start off lower and then bump up about a minute in)? If you're already at the maximum power target then you're most likely very close if not already over, your best performing overclock. You might get stable at a higher max boost frequency but it also might make the card throttle down more (hindering performance). Your best bet is to continue increasing the core offset and keep an eye on the graph. Make sure the gpu core keeps running relatively constant and that your score keeps going up.
post #113 of 3357
Quote:
Originally Posted by SeanPoe View Post

What is your power target set to? That throttling might be power percent related. Does it happen exactly like that every run of Heaven (start off lower and then bump up about a minute in)? If you're already at the maximum power target then you're most likely very close if not already over, your best performing overclock. You might get stable at a higher max boost frequency but it also might make the card throttle down more (hindering performance). Your best bet is to continue increasing the core offset and keep an eye on the graph. Make sure the gpu core keeps running relatively constant and that your score keeps going up.

Think you're right. After I pushed past it started fluctuating like mad. Now doing that same run at 180 offset (from stock) gives me that same fluctuation.

Gonna take it down a bit then move onto memory

Great guide thumb.gif
post #114 of 3357
for some reason turning vsync on in the nvidia toolbox fixes all of my problems. but nobody has any idea y im not able to get a higher gpu offset?
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post #115 of 3357
Now I'm confused. Runs that I completed smoothly earlier are now unstable

edit: Forgot to reset after crash redface.gif
Edited by Cosmic Collision - 6/7/12 at 10:02pm
post #116 of 3357
Done, settled on

Max Boost 1262MHz
Memory Clock +575

Worked out that my Kepler Boost was 92MHz but it seems like there's some sort of delay going from 79-92MHz which takes a couple minutes. I can't get past 1262MHz if I set my offset to +195. It'll sit there at 1254MHz for a little while then I'm guessing it tries to add that additional 13MHz and realizes that it's probably a bad idea then crashes the driver. Just my theorizing though

Great guide once again. Took exactly 3 hours
Edited by Cosmic Collision - 6/7/12 at 11:13pm
post #117 of 3357
I turned my over-clocking off completly. I have 2 670 SLI evga FTW and even when I overclocked and ran a test fine with no crashing or artifacts as per this thread....bf3 would crash after about a hour. I know it's due to OC. My temps are fine. Apparently bf3 is very picky about OC cards. As soon as I turned off all OC settings...I can run it or hours. Even with a little OC bf3 would crash. I mostly play bf3 so its not worth it to me. You guys may run the test fine but play bf3 that's where u will in come into issues.
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post #118 of 3357
Quote:
Originally Posted by daltonfury View Post

I turned my over-clocking off completly. I have 2 670 SLI evga FTW and even when I overclocked and ran a test fine with no crashing or artifacts as per this thread....bf3 would crash after about a hour. I know it's due to OC. My temps are fine. Apparently bf3 is very picky about OC cards. As soon as I turned off all OC settings...I can run it or hours. Even with a little OC bf3 would crash. I mostly play bf3 so its not worth it to me. You guys may run the test fine but play bf3 that's where u will in come into issues.

Same deal with me. Just pull 15 MHz of your max and you should be fine. BF3 isn't as optimized as heaven and the other benching programs, so it crashes even though you are stable in terms of better programmed stuff
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post #119 of 3357
actually I think it's cause BF3 is more heavy-duty than heaven even is why people are heaven stable and crash in BF3 but yea maybe it's just bad programming I liked bad company 2 alot better.
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post #120 of 3357
At Step 4, do I also increase the Power Target to max, or do I leave it at 100%?
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