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[Official] MSI GTX 680 Lightning Owners Club - Page 70

post #691 of 7827
Been benching mine all night here best i can get so far is 1354 on the core and +700 on memory no artifacting
post #692 of 7827
I have a sli setup of these cards and this is my first sli and ive started to become more understanding with overclocking but no so much oc in an sli configuration..my concern is that i have one card stable at 1333mhz and around 575 offset in the memory clock in AB...the second card however is not able to past 1282mhz without causing a hard reset...is it alright to run
These cards at their max oc even of they are as close to eachother in numbers? Or will it cause problems? This is in ln2 bios
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post #693 of 7827
Quote:
Originally Posted by MouthofJustin View Post

I have a sli setup of these cards and this is my first sli and ive started to become more understanding with overclocking but no so much oc in an sli configuration..my concern is that i have one card stable at 1333mhz and around 575 offset in the memory clock in AB...the second card however is not able to past 1282mhz without causing a hard reset...is it alright to run
These cards at their max oc even of they are as close to eachother in numbers? Or will it cause problems? This is in ln2 bios
Bummer on the 2nd Lightning. You can run them at different clock speeds, but the gpu usage on the faster card will slightly bottleneck. Try it out and use afterburner to monitor usage.
post #694 of 7827
I have to stress again you people have to use manual fan MORE THAN LIKELY if you're using a heavy overclock.

Apparently some people are new to overclocking here, a few years ago it was accepted that if you OC a GPU you have to use manual fan. This has not changed, yet some users are not aware of this. Regardless of your core temp, your VRM temp is stressed without high manual fan settings. As an example, I can OC in SLI to 1352 stable yet it requires 70% manual fan or greater. If I use auto fan it is not stable, if I use manual fan it is stable for 10 hours in heaven stress testing. In single card, I can get one one to 1382 with 75% manual fan - verified and tested with 10 hours of heaven stress testing. In SLI with auto fan, I CANNOT OC IT past 1302. Understand that regardless of core temp, VRM temp is not listed and is much better with manual fan, it does not have the heatpipes that the core does.

I don't know what shifted in the mindset of users, I think a lot of people are new to OC'ing GPUs and expect more for less. Use manual fan. You can't OC reliably most of the time with auto fan, period. There are a few exceptions to this but my experience with OC'ing the GTX 480, 580, 680, 7970, and 6970 all provided higher clockspeeds with manual fan with no exceptions. I'm sure someone here will say "but I can do it with auto fan" that is the exception not the norm. VRM temps suck with auto fan and that definitely affects OC stability. Don't use auto fan and expect ridiculous clockspeeds.
Edited by xoleras - 7/19/12 at 8:53am
post #695 of 7827
wow +80 more on the core just for manual fan? Sure, i understood that the vrm temps matter a lot when it comes to oc'ing, but that is a HUGE difference, hardly believable actually. I've always used auto fan, of course I made the fan curve very aggressive but if setting it manually at a very high fixed rpm makes that much of a difference, i'll be trying this out for SURE later on today when my 2 lightnings come from amazon.

edit
Edited by EM2J - 7/19/12 at 6:25am
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post #696 of 7827
yeah i have been using manual fans since i had my gtx 580...i do believe a cooler card is a happier card...i dont mind the noise as much..for these lightnings i set the manual on both of them to 80..and yes its unfortunate the VRM temps are not shown..because i feel that would be something worth showing in cases of lower oc scores.
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post #697 of 7827
How to monitor DCII VRM temps?
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post #698 of 7827
Quote:
Originally Posted by psyside View Post

How to monitor DCII VRM temps?

Get the newest gpuz, it monitors the vrms now.

    
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post #699 of 7827
Quote:
Originally Posted by xoleras View Post

You spend 10 posts talking about how the DC2 cooler blows everything away (then you sell it ) and now you're talking up the gigabyte.
.

Your blowing it all out of proportion, I didnt spend even a single post claiming that the DC2 cooler blows everything away. Anyone in this forum is welcome to go back a few pages and see that for themselves. As for the gigabyte card as I mentioned earlier the price last week had dropped to $499.99 which is a heck of a good deal and I had been curious about that card anyway so I purchased it and it happens to overclock a fair bit higher than my Asus which cost a little more money so I will be returning the Asus and keeping the better overclocker of the two while saving a little $$$. What is so hard to understand about that? Who wouldnt do the same if they were able to do so?


Quote:
Its just humorous seeing you post more than most lightning owners here, i'm just amused thumb.gif

So I have to be a lightning owner to post here? dont remember seeing the rules about that one. BTW- I post here because I love hardware and I am interested to see what the lightning can do when/if it gets voltage control. In the meantime im gonna continue to post here and talk about hardware, if you dont like what I have to say thats fine, but taking the things that I say and blowing them up to mean something that I never intended is pretty darn lame on your part.



Quote:
Apparently with the 680 you have to pay a premium for a good overclock and even then it isn't guaranteed.


No, you do not. Plenty of the lesser expensive models are cracking the 1300mhz barriar, what it comes down to is the good ol chip lottery since it would seem that even some of the more expensive 680's can come with a crappy chip. I guess no one is really chip binning at all. BTW my very first GTX 680 was a reference Model PNY which did 1325mhz core and 500+mem rock stable, that one I sold to a guy on ebay for a nice fat profit because its when the cards were first released and no one seemed to be able to keep them in stock.

003-1.jpg

Untitled-2.jpg

Untitled-1.jpg



Also you spoke about the HD 7970 earlier, I had one of those as well.

011.jpg

After the installation of the Artic cooler-

015-1.jpg




This is a hobby to me, man. Forgive me if I converse with others in this thread about the things that we love.
Edited by RobsM6S - 7/19/12 at 8:16am
post #700 of 7827
Quote:
Originally Posted by MrTOOSHORT View Post

Get the newest gpuz, it monitors the vrms now.

GPu-Z false reading, last night during gaming max vrm temp shown where 200c rolleyes.gif

What are your ambient temps?

Something is wrong with my card, look at my temps with 30% fan, and yours at 20%?


Edited by psyside - 7/19/12 at 7:23am
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