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~~The GTX 670 Overclocking Master-Guide~~ - Page 68

post #671 of 3357
Damn is there something wrong with my 670 DirectCU II ?

I bumped the voltage to the 1,175 and set power target to 122 and fan speed to 100%.

My temps got up to 90c under heaven? What? It's like the fan isn't doing ****. The heatsink was boiling hot.

Edit: Maybe precision X has no acces to the fans?

Edit2: The fan isn't reacting to anything. The fan duty says 100% but the fan itself is stuck at 1110-1140. I'll have to check if other drivers fix this. Really weird..

Edit3: It's still stuck at minimum. What should I do?
Edited by RunM - 8/9/12 at 9:55am
post #672 of 3357
Quote:
Originally Posted by propete10 View Post

Ah now I see why you were asking in the other thread.
Have you tried underclocking the card to maintain a stable performance? (just to help identify the issue not necessarily a long term solution)
You could just have a faulty card. How old is the card? Have you overclocked it heavily in the past or unlocked BIOS to increase the voltage available or anything?
What is the base and boost clock set to now, on what voltage?

I haven't tried underclocking...I figured underclocking would net even worse FPS.

The card itself is about two weeks old, lol. I had another GTX 670 that unfortunately died on me, so this new one was the replacement for that RMA.

I didn't really overclock it that heavily. It can't even hit 1200 MHz boost core clock. This is a reference card so as far as I know, I can't unlock the BIOS.

Base, I forgot. Boost clock is around 1180 MHz...voltage is the highest setting possible on stock BIOS in EVGA Precision X.

Really hope that it isn't a faulty card. Don't want to go through another RMA process.
Edited by Admiral Mudkipz - 8/9/12 at 10:09am
post #673 of 3357
Yeah I bet you don't mate that sucks. Hopefully it may just be down to the fact you have a heavily modded skyrim. Have you tried another graphics intensive game? BF3 or Crysis 2 etc?

Can you get it to go wrong doing a benchmark? I would try playing with lowering the voltage level to a new percentage to see if the FPS drops at the new percentage or only over 122% as you may be able to clock it lower to a more safe value but still leave it overclocked.

Be interesting to see if it still does this on stock overclock with max'd and default voltage
post #674 of 3357
Quote:
Originally Posted by propete10 View Post

Yeah I bet you don't mate that sucks. Hopefully it may just be down to the fact you have a heavily modded skyrim. Have you tried another graphics intensive game? BF3 or Crysis 2 etc?
Can you get it to go wrong doing a benchmark? I would try playing with lowering the voltage level to a new percentage to see if the FPS drops at the new percentage or only over 122% as you may be able to clock it lower to a more safe value but still leave it overclocked.
Be interesting to see if it still does this on stock overclock with max'd and default voltage

BF3 runs fine at 60 FPS almost always. On Crysis 2, if I set everything to ultra and shadows to high, then I'll get around 45-60 FPS.

Benchmarks are usually no problem. I think it ran at a constant GPU clock all the way through Heaven.

I did just find out that there is an unlocked voltage bios for reference cards.
post #675 of 3357
Quote:
Originally Posted by Admiral Mudkipz View Post

. This is a reference card so as far as I know, I can't unlock the BIOS.
Base, I forgot. Boost clock is around 1180 MHz...voltage is the highest setting possible on stock BIOS in EVGA Precision X.
Really hope that it isn't a faulty card. Don't want to go through another RMA process.
Why don't you check out this thread here! thumb.gif

Edit: looking at the post above makes me feel stupid... redface.gif
Edited by IronDoq - 8/9/12 at 12:26pm
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post #676 of 3357
Quote:
Originally Posted by IronDoq View Post

Why don't you check out this thread here! thumb.gif
If he assumes that his card may be a faulty one i would say it's not a good idea advising him to flash a custom/modded bios.
Edited by tecfreak - 8/9/12 at 12:35pm
post #677 of 3357
Quote:
Originally Posted by tecfreak View Post

If he assumes that his card may be a faulty one i would say it's not a good idea advising him to flash a custom/modded bios.

Haven't really assumed. It works fine for the most part...just Skyrim likes to dip occasionally.

EDIT: OK nevermind. I can't run Heaven. It says it keeps on failing to set my video mode correctly for some reason.

Fixed. Had to uncheck enable compatibility with modfiied Direct3D runtime libraries in the Afterburner OSD tool. I can also confirm that my GPU clock stayed at a constant 1180 MHz throughout the first couple minutes I ran it on, so the card's not faulty. It's probably just something with Skyrim.
Edited by Admiral Mudkipz - 8/9/12 at 2:37pm
post #678 of 3357
Well that is good news, Good luck with the re-install! =D

BTW, for the record although I've o/c'd my GPU, to preserve its life I saw no point in having it running at O/C values for games that run at > 60fps because with a 60Hz monitor I can't tell the difference =].

I.e. I'll only engage the O/C if I cannot get at least 60 FPS in a game. I doubt that will be required for a while yet!

Pete
post #679 of 3357
Quote:
Originally Posted by propete10 View Post

Well that is good news, Good luck with the re-install! =D
BTW, for the record although I've o/c'd my GPU, to preserve its life I saw no point in having it running at O/C values for games that run at > 60fps because with a 60Hz monitor I can't tell the difference =].
I.e. I'll only engage the O/C if I cannot get at least 60 FPS in a game. I doubt that will be required for a while yet!
Pete

Yea, it gets pretty bad with Metro 2033 and Skyrim, heavily modded with ambient occlusion. Plus, I fold, so I need all the power I can get, lol.
post #680 of 3357
First, this is a great guide. It explains overclocking on the 6xx series very well.

I have a 670 FTW and think I might have a dud.

Out of the box my boost is 1085 with a Keplar boost of 79 giving me a max of 1137. From what I've seen here and on the EVGA forums, this is a lot lower than many other FTW cards.

I followed the guide to the letter and the highest core offset I can achieve is +58. Anything higher crashes Heaven. This is with a power target of 145% and voltage set to max.

Here's the weird part. I can stabilize the +58 with 116% power target. That would lead me to believe I should have a lot of headroom to raise the clock. But I still can't get over the +58 regardless of the power target and voltage setting.

I've tried pretty much every combo between 100% and 145% and .988mv and 1175mv. No matter what I can't top +58mhz

Also, even with the power target set to 140% the power % in Precision and GPU-Z never goes over 100. I've seen people in this thread with screenshots of their power % upwards of 113%.

Does anyone have any idea what might be going on here? Is this card maxed out? Am I doing something wrong?
Edited by BarryCarey - 8/10/12 at 6:12am
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