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~~The GTX 670 Overclocking Master-Guide~~ - Page 296

post #2951 of 3357
Quote:
Originally Posted by H3avyM3tal View Post

I can complete all runs with +90 on core at 110%, but can complete only one run of +54 at 122% (out of about 20 runs). Of course, the frequency of the core, voltage and all will fluctuate like it's a prty in there, and the score will be lower than at 122%. However, at 110% I can also oc the memory, which gives me and over all better result.

I have no idea what is going on, and I need an explanation to ease my mind. Like I said, I don't mind low oc, I just was a stable one.

You're being throttled.

At 110% you're giving your card ~157W. You then raise offset and it passes and all looks nice until you notice fluctuation like you said. Your core is less than what you think it is. Because your Core is lower, you can raise MEM also giving you this apparent "better result".

You then give it that 122% which is ~173W and suddenly it has enough room to retain your offset but now it's not stable anymore. Because your Core is already unstable, you can't raise MEM.
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Just a 'puter
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post #2952 of 3357
Sorry if this is in the wrong place. Im new and I posted this somewhere else trying to get help.

SHORT VERSION FIRST:
I am new to overclocking and I think I may have messed up. I was following a guide and everything worked fine for the first day. Now my GTX 670M is stuck in P0 mode (using Nvidia Inspector). I've tried so many things to fix it but nothing is working. Please help.

----

I'm trying to overclock my GTX 670M graphics card and I have found the settings that seem to work well. However, the card is now stuck in the highest performance (P0) setting. Even if I run the lower settings shortcuts I made (overclock guide I followed said to do this) it will just go back to the highest mode straight away. Even when no graphically intensive application is running, the GTX 670M will still run in P0 mode instead of P12 mode.

The only way I can get it to stop is by activating the "Multi-Display Power Saver" which forces it into "*P12" with an asterisk. As soon as I close everything except NVIDIA Inspector, and turn off "multi-display power saver" mode; It jumps back up to full power(P0) mode.

This is the second day this problem has happened. I fixed it before by doing a System Restore to when I didn't have NVIDIA Inspector installed, however I do not want to keep doing that because it took forever to startup again. When I re-overclocked the card, it worked great, it seemed stable, it would go back to P1>P8>P12 after closing a game from P0. I left the computer open (with nothing running) so I could monitor the levels. But after a good while of being stable it just randomly started jumping between P-states and is now stuck on P0(highest level).

This is really frustrating! The temperatures aren't going above 65 degrees but the voltage is jumping to 900mV when the settings on NVIDIA Inspector say it can only go to 850mV... So I'm kind of worried about that. The fan is also staying on 100% constantly, no matter what mode or settings it is on.


Things I've tried:
Restarting computer
System restore
Uninstalling all overclocking apps
Returning Nvidia driver settings to default
Reinstalling Nvidia drivers
Driversweeper after uninstalling Nvidia driver in safe mode.

---

I realize the GTX 670m isn't a very good graphics card, and there is very little room for overclocking it. I just wanted to get a little more out of it for Battlefield 4.

I'm looking for advice on how to fix this problem. Not looking for hate, thanks.
post #2953 of 3357
Quote:
Originally Posted by kevindd992002 View Post

If I go with SLI, do I need to reinstall the drivers when I plug-in the second GPU in my system for the first time?

No. You will enable/disable sli in the nvidia control panel.
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post #2954 of 3357
Quote:
Originally Posted by xaiviax View Post

No. You will enable/disable sli in the nvidia control panel.

Oh ok. So the same thing is needed if you install the cards BEFORE installing the driver? You still need to enable SLI in NCP?

If you don't enable SLI, you'll just be using the primary card alone?
post #2955 of 3357
I believe the default is NOT enabled, but I am not 100 per cent positive. And yes, if not enabled, you'll just be using the primary card (although the second will be used for PhysX if a game is using PhysX).
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post #2956 of 3357
Quote:
Originally Posted by kevindd992002 View Post

If I go with SLI, do I need to reinstall the drivers when I plug-in the second GPU in my system for the first time?

Yes in my experience way back in the 9800GTX+ days, you need to reinstall the drivers after adding the 2nd card.
post #2957 of 3357

@kevindd992002 You shouldn't have to reinstall the drivers when you add a second card for SLI.  The drivers are already install on the system, so when Windows detects the 2nd card, it will install the appropriate driver, and you may need to reboot, but I would enable SLI first then reboot.  As @xaiviax you just enable SLI in the NV Control Panel.

post #2958 of 3357
Can someone help me with saving settings in Precision-X. My OC needs the voltage set to max, but I notice every now and then Precision-X sets my voltage back to normal, how do I prevent this from happening?

Thanks
post #2959 of 3357
With all the new cards being released I finally decided to OC my 680. The highest I got was 1215/1900. MBF is 1215 Boost 1059 Keplar boost 156. My heaven 4.0 score 1080p extreme is 1039 with 41.9 fps. Either I have a bad OC or my cpu is the problem. I'm thinking it's my cpu since everything checks out and and is stable with my OC.

EDIT: Did some minor tweeks. After running Heaven a few more time I discovered I wasn't stable at the above OC and had to turn the core down a little.

Edited by Tatakai All - 11/9/13 at 10:38pm
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post #2960 of 3357
Quote:
Originally Posted by Tatakai All View Post

With all the new cards being released I finally decided to OC my 680. The highest I got was 1215/1900. MBF is 1215 Boost 1059 Keplar boost 156. My heaven 4.0 score 1080p extreme is 1039 with 41.9 fps. Either I have a bad OC or my cpu is the problem. I'm thinking it's my cpu since everything checks out and and is stable with my OC.

EDIT: Did some minor tweeks. After running Heaven a few more time I discovered I wasn't stable at the above OC and had to turn the core down a little.

Cool desktop background. What is that?
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