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[Official] MSI GTX 680 Lightning Owners Club - Page 607

post #6061 of 7827
hi guys, ive just started to overclock my lightning and ive got a core clock of 1308 without increasing any voltages is this a good start?
how do i carry on overclocking from here, i mean how do i go about overclocking further by increasing the voltages and how do i overclock the memory?


any tips would be awesome.
post #6062 of 7827
Need some help on an issue I've been having. My basic specs are as follows:

3570k (liquid cooled, oc'd to 4.2)
680 lightning
8gb RAM
800 watt psu
Asus Z77 mobo

Having issued with voltage spikes when gaming on my PC. I can see them in afterburner. When they happen sometimes my screen blacks out and comes back on with very slow frame rates. When I exit the game, I see the voltage spike and it says my nvidia driver crashed.(on 314.07) Other times my monitor black screens and never comes back. I had no problems with my previous video card(6970). I have even shutdown and tried it on the other bios switch. If I overclock at all, it will crash upon launch of planetside 2. Not over clocking, I can play for a bit and then it will crash. Temps are fine but my GPU usage hovers around 50% or below.

Anybody have any ideas on what the issue could be?

Thanks!

Edit: I upgraded my PSU after I started having the issues. I think it may be the card but I'm not ready to give up yet.
Edited by bhines5783 - 2/25/13 at 11:28am
post #6063 of 7827
I read someone had better results overclocking the Lightning when the AUX voltage was set to -50mV. I can confirm this! I got 100MHz more out of my memory but it disn't seem to effect GPU clocks, as I wasn't able to go above +100 on stock voltage. Everything's running cooler now.
post #6064 of 7827
I have a MSI GTX 680 SLI temp question for you all.


Recently I play crysis 3 the first card went incredibly hot.

my case and fan setup is like this (not my photo, borrow it somewhere on internet)



front intake fan : 2 Gelid Wing 12 @ 1200rpm
back intake fan 2 Gelid Wing 12 PL @ PWM push-pull with Corsair H70 radiator.
Top Exhaust fan 2 Gelid Wing 14 @ 1080 rpm

2 MSI GTX 680 Lightning with stock fans (custom profile in AB)


Room temperature around 17 degree Celsius




When I play Crysis 3, around 30mins to 1 hour.

The first card temp went up to maximum 71-73 degree Celsius @ 85% fan speed.
While the second card absolutely highest at around 55-57 degree Celsius @ MAX 50-55% fan speed.



WOW I know SLI setup usually with hotter primary card.
But the temp difference great like this? Is this normal?

I mean. the first went up to 73 degrees
the second only has 57 max temp.

16 degrees difference.

And it was 85% fan speed VS 55% fan speed.



Do you guys have any suggestion that I can improve this temps?


I checked the AB logs, both card are running MAX 99% GPU usage, so not caused by second card low GPU usage.
Also I close my chassis side board. not using side board is not an option though.

Thanks!
    
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post #6065 of 7827
Quote:
Originally Posted by darkinners View Post

I have a MSI GTX 680 SLI temp question for you all.


Recently I play crysis 3 the first card went incredibly hot.

my case and fan setup is like this (not my photo, borrow it somewhere on internet)



front intake fan : 2 Gelid Wing 12 @ 1200rpm
back intake fan 2 Gelid Wing 12 PL @ PWM push-pull with Corsair H70 radiator.
Top Exhaust fan 2 Gelid Wing 14 @ 1080 rpm

2 MSI GTX 680 Lightning with stock fans (custom profile in AB)


Room temperature around 17 degree Celsius




When I play Crysis 3, around 30mins to 1 hour.

The first card temp went up to maximum 71-73 degree Celsius @ 85% fan speed.
While the second card absolutely highest at around 55-57 degree Celsius @ MAX 50-55% fan speed.



WOW I know SLI setup usually with hotter primary card.
But the temp difference great like this? Is this normal?

I mean. the first went up to 73 degrees
the second only has 57 max temp.

16 degrees difference.

And it was 85% fan speed VS 55% fan speed.



Do you guys have any suggestion that I can improve this temps?


I checked the AB logs, both card are running MAX 99% GPU usage, so not caused by second card low GPU usage.
Also I close my chassis side board. not using side board is not an option though.

Thanks!

It's probably because the 1st card is sitting on top of the second, leaving little room for airflow and sucking the second card's hot air.
post #6066 of 7827
Quote:
Originally Posted by darkinners View Post

I have a MSI GTX 680 SLI temp question for you all.


I checked the AB logs, both card are running MAX 99% GPU usage, so not caused by second card low GPU usage.
Also I close my chassis side board. not using side board is not an option though.

Thanks!

I would redo the thermal paste on the second card. You'd be amazed at how crappy of a job they do at the factory on video cards. Rubbing alcohol, some q-tips, and some cotton balls and you're good to go...nothing to it. Other than that the only suggestion I have is to get a case like the 932 that has a fan blowing right onto the graphics cards from the side panel.
post #6067 of 7827
Quote:
Originally Posted by setza View Post

It's probably because the 1st card is sitting on top of the second, leaving little room for airflow and sucking the second card's hot air.


Yeah I realize that, if only running a single card, it wouldn't be a problem. Both card run quite cool for what they are.
Problem is when in SLI the top card suck all the hot air from bottom card, I am think if there is any solution for that? besides leave my chassis open(my place very dusty)
Quote:
Originally Posted by dr/owned View Post

I would redo the thermal paste on the second card. You'd be amazed at how crappy of a job they do at the factory on video cards. Rubbing alcohol, some q-tips, and some cotton balls and you're good to go...nothing to it. Other than that the only suggestion I have is to get a case like the 932 that has a fan blowing right onto the graphics cards from the side panel.


I did re-do the TIM day one I got the cards.
I use Gelid GC-EX , great thermal paste. I use it basically on everything. Best one out there.
As I said above, it's not the card's issue, more like air flow issue. I am hoping SLI experts could give me some pointers on improving airflow.

I've heard great things about CM HAF but myself not really a fan of CM computer cases.
I am waiting Corsair 900D available in Hong Kong(should be soon) then I am going to upgrade to 900D, X79 MB and 2011 hex core CPU and WC my system

But for now, I would love to seek if there anything I can do to improve the temp.

Thanks for the advice anyway man.
    
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post #6068 of 7827
I've always had higher temp on the top card, it part of the deal of the SLI. The primary card always heat up more, it has nothing to do with airflow, I've tried when I had my first SLI configuration, 2x580 matrix. Open the case and blow cold air in the top card didn't helped much, always ended with 10 to 20°c in the worse case.
With water cooling on my pair of 680, it's about 2 to 5°c and in stock cooling it was about 10°c as well.
Their is a thing that might be of an influence too, the processor and vrm is next to the top card, that probably doesn't help.
And a fan on the side panel didn't helped when I tried it on the 580s, it was making thing worse since the fan is not the stock blower from nvidia, but likely to the Lightning, 2 fan blowing directly to the card and the air flow escape from the side of the card. So side panel fan counter graphic card fan, not a good thing.
Just my thoughts. wink.gif
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post #6069 of 7827
Quote:
Originally Posted by bhines5783 View Post

Need some help on an issue I've been having. My basic specs are as follows:

3570k (liquid cooled, oc'd to 4.2)
680 lightning
8gb RAM
800 watt psu
Asus Z77 mobo

Having issued with voltage spikes when gaming on my PC. I can see them in afterburner. When they happen sometimes my screen blacks out and comes back on with very slow frame rates. When I exit the game, I see the voltage spike and it says my nvidia driver crashed.(on 314.07) Other times my monitor black screens and never comes back. I had no problems with my previous video card(6970). I have even shutdown and tried it on the other bios switch. If I overclock at all, it will crash upon launch of planetside 2. Not over clocking, I can play for a bit and then it will crash. Temps are fine but my GPU usage hovers around 50% or below.

Anybody have any ideas on what the issue could be?

Thanks!

Edit: I upgraded my PSU after I started having the issues. I think it may be the card but I'm not ready to give up yet.

It may be driver related. Try uninstalling nvidia drivers and reinstalling them again. The voltage spikes are due to the driver crashing. I was scared when i saw them too smile.gif if that fails, try underclocking it and see if its stable. If thats the case, its probably a faulty card and warrants a return. Another thing to check, what does z-gpu report as the pci-e speed and lane for the card? Prior to updating the bioa on my sabertooth z77, it was being recognized as pci 1.1 8x. I updated the bios and it went to 3.0 8x. I then reseated the card and it went to the proper 3.0 16x. Just another thing to reconsider since yoy have the same mobo as me.

Btw, you should be able to get the 3570k to clock a good bit higher than what you have. Im running air cooled with the 212 Evo and i have mine clocked at 4.4.
Edited by uci2ci - 2/25/13 at 4:46pm
post #6070 of 7827
Thanks for the quick response. I will take a look at it as soon as I get home. I've tried uninstalling and reinstalling the drivers. Even used driver fusion to remove old versions. I will look at gpu-z. That is a possibility. Thanks again.
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