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[Official] MSI GTX 780 Lightning Owner's Club - Page 249

post #2481 of 5050
Quote:
Originally Posted by Face2Face View Post

Memory voltage brother biggrin.gif Still trying to find a way to push 1.8v into my memory - rbby tool is not working....


alright brother. I just woke up I was like wth
Edited by skyn3t - 1/14/14 at 6:48am
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post #2482 of 5050
Quote:
Originally Posted by Bishop07764 View Post

You do need rbby tool to get the max volts possible. But on the stock bios and with afterburner 18, I could have sworn that I have hit 1.25 volts with maxing the slider to 100. I know that I was hitting 1.212 volts last night with the stock bios and voltage slider at +56. Maxing the voltage on the stock bios will likely cause a bit of throttling because you would start hitting the 109% power limit pretty quickly I believe. I know that people have done 1.4 volts and 1.4 plus with the flashed bios plus rbby. I wouldn't be comfortable doing that for any long period of time though.

1.25v for air would be enough for me anyway. Rbby's tool doesn't set volts on boot right?

Btw, how's the vdroop on the Lightnings? Or is there a LLC mod?
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post #2483 of 5050
Quote:
Originally Posted by Face2Face View Post

I haven't had any issues with leaving my memory voltage @ 1.7v on air. They never get above 65c that I have seen. The memory/vrm plate on the lightning is one of the best on a GTX 780 and it''s only +100mv over stock, I wouldn't think i's a big deal at all - this is OCN thumb.gif

I was originally just using 1.65 volts. I haven't seen my memory go over 32c that I have seen under water. You are right this is OCN.thumb.gif
Quote:
Originally Posted by szeged View Post

he means the memory voltage, which comes at stock volts of 1.6, so 1.7 shouldnt be too bad on air for the lightnings cooler, 1.8v for water cooling is what i use for my classifieds biggrin.gif

If the classifieds handle 1.8v under water, then surely my lightning would be able to handle that. How much does overvolting the memory help at least on your classifieds?
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post #2484 of 5050
Quote:
Originally Posted by Bishop07764 View Post

I was originally just using 1.65 volts. I haven't seen my memory go over 32c that I have seen under water. You are right this is OCN.thumb.gif
If the classifieds handle 1.8v under water, then surely my lightning would be able to handle that. How much does overvolting the memory help at least on your classifieds?

my classified 780ti memory can do 2125 at 1.8v
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post #2485 of 5050
Quote:
Originally Posted by Imprezzion View Post

1.25v for air would be enough for me anyway. Rbby's tool doesn't set volts on boot right?

Btw, how's the vdroop on the Lightnings? Or is there a LLC mod?

Rbbys tool does not set volts on boot I believe. I know that some people on here that were trying to do 1.4 volts were getting some vdrop. On the stock bios my volts tend to hang out around 1.18ish and boost to 1.212 under particularly heavy load. With this just being the stock bios, I am going to chalk that up to boost 2.0 instead of vdrop.
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post #2486 of 5050
Quote:
Originally Posted by szeged View Post

my classified 780ti memory can do 2125 at 1.8v

Dang. Seriously impressive. thumb.gif I have gotten benches to run at 2200 on my lightning at 1.6 volts, but it certainly wouldn't be 24/7 stable. Do your classifieds have Samsung? Hynix?
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post #2487 of 5050
Quote:
Originally Posted by Bishop07764 View Post

Rbbys tool does not set volts on boot I believe. I know that some people on here that were trying to do 1.4 volts were getting some vdrop. On the stock bios my volts tend to hang out around 1.18ish and boost to 1.212 under particularly heavy load. With this just being the stock bios, I am going to chalk that up to boost 2.0 instead of vdrop.

Same here - I set my voltage to 1.212 volts and depending on the application I can see vdroop down to 1.836v. Vdroop is a b%^&% on these cards, but there is nothing out now that can combat it. Everyone including myself just bumps the voltage up to compensate for the vdroop. If anyone finds a way to get the memory voltage up to 1.8v on these cards let me know. Trying to put my Elpida through hell mad.gif
post #2488 of 5050
Quote:
Originally Posted by Bishop07764 View Post

Dang. Seriously impressive. thumb.gif I have gotten benches to run at 2200 on my lightning at 1.6 volts, but it certainly wouldn't be 24/7 stable. Do your classifieds have Samsung? Hynix?

hynix
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post #2489 of 5050
Quote:
Originally Posted by Face2Face View Post

Same here - I set my voltage to 1.212 volts and depending on the application I can see vdroop down to 1.836v. Vdroop is a b%^&% on these cards, but there is nothing out now that can combat it. Everyone including myself just bumps the voltage up to compensate for the vdroop. If anyone finds a way to get the memory voltage up to 1.8v on these cards let me know. Trying to put my Elpida through hell mad.gif
But you guys have it good my 780 doesn't even have memory voltage control and i also don't have Vdroop as i have llc enabled
 
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post #2490 of 5050
Quote:
Originally Posted by Face2Face View Post

I haven't had any issues with leaving my memory voltage @ 1.7v on air. They never get above 65c that I have seen. The memory/vrm plate on the lightning is one of the best on a GTX 780 and it''s only +100mv over stock, I wouldn't think i's a big deal at all - this is OCN thumb.gif
OK thx for the information mate thumb.gif

Quote:
Originally Posted by Bishop07764 View Post

Yeah. I have decided that stock voltage for the memory would definitely make me more comfortable. I have been able to bench at +700 on the memory but it showed an artifact or two I believe. I'm sure that it wouldn't be game stable which is what really matters.

I think this is going to be about the best that I can do on the stock bios for benching.
Wow nice score Bishop thumb.gif
Was it with +700 on memory? Core clock??
Quote:
Originally Posted by hoevito View Post

Yeah, I was using the Skynet rom with no boost. For some reason I was stuck at 1.067 volts no matter what I did until I switched VBIOS to the Skynet one. Either way the card is already RMA'd, and luckily I have this other one to hold me over for now!!!
OK, please becareful next time with this beast wink.gif

Quote:
Originally Posted by nyk20z3 View Post

Haven't seen any 1 post anything like this!

Framed for the Man Cave....

Nice frame thumb.gif
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