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[Official] MSI GTX 680 Lightning Owners Club - Page 523

post #5221 of 7827
Picked up my second Lightning, this one has an ASIC of 82.5% and a default voltage of 1.15v and its boosting 1241 out of the box. Mem seems fine at 3911 (7822) but when it gets up towards 70*C it begins to artifact at that speed (its fine, when the block goes on it wont go much if any over 40*C).

I havent clocked it alone yet but it was doing 1280 @ stock voltage (1.15v) stable through BF3.....seems like a good one. I will say though, I did some testing and I cant tell the difference between playing games stock or overclocked. Card one boost 1228 stock this new ones at 1241, and games are just butter even with stock mem. When I can figure out the relationship in the bios between voltage selected in the 2 voltage tables vs boost clocks I should be able to flash both so that they run stock voltage (card one 1.175v card 2 1.15v) and both boost to the same MHz ie: 1254 or 1267 with something moderate like +800 mem or so and leave them at that until sometime off in the future when I may actually need more power. As it is Ive never felt games so smooth, loving SLI biggrin.gif

Quote:
Originally Posted by setza View Post

Thanks. In another topic, I'm planning to water cool this card, and I wanted to know if it has any torx 6 screws to get the heatsink off like the reference one, because from what I see in pics it just has philips head screws. Anyone knows?

The cooler is held on with 4 x phillips head screws only

Then the backplate has many more. Just undo them all dont forget the ones from PCI bracket to plate. Try to not disturb tha backplate its got thermal pads under it too.
post #5222 of 7827



Guys I need some help here. Please give me your thoughts on this overclock. I am running the factory bios, the 3A which is completely locked down I believe. I have been folding with the GPU under 100% load for about 24 hours now with no issues, so I believe it to be pretty stable. I have the power limit at 133, the core voltage at +25 and the core set at 1250. I bumped the memory up +300 and the mem voltage +25. What do I do ? Higher ? Scale back the volts to find the bare minimum ? This is my first kepler card. I am a bit wary of flashing the BIOS. Do I need to ? Did I get a decent card ?
post #5223 of 7827
Congrats on the lightning.

With the locked bios the voltage slider does nothing except force max stock VID when slid all the way up. You're basically running stock voltage there. 1250 is nice and better than many 680's out of the box. If you want more out of it yes you either need to flash to the unlocked 3A bios to you can adjust voltage, or hard mod it (easy mod with 100 ohm VR if you can solder to small things). The mem OC is moderate, and I doubt you need any voltage added for +300. Basics of overclocking are see how far you can go on stock voltage. Once you have found the max stable point, decide if you want to push further - if so add a little voltage and go from there until you are happy with it.
post #5224 of 7827
http://www.3dmark.com/3dm11/5686882 This is 1250mhz with the locked down bios. Looks like I may have a pretty good card. I guess I need to flash it and see what she's made of. biggrin.gif
post #5225 of 7827
Quote:
Originally Posted by dph314 View Post

Nice smile.gif
Yep you should definitely be using Afterburner 2.2.3. You'll probably have to flash the BIOS though if your LN2 BIOS doesn't have a 300% Power %. Don't worry though, it's easy. Directions are in the first post smile.gif

Why 2.2.3? I have flashed the bios already with the one from the first page (........3A unlocked). With Afterburner 2.2.4 I'm getting same results, what's the difference between those two?

I,m asking a lot of questions, I know, but I would really like to pull out maximum performance from this card - that is the main reason why I bought it. Thank you for your answers.
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post #5226 of 7827
Quote:
Originally Posted by CryptiK View Post

Theres a locked and unlocked version of the 3A bios, if your card is not old, its probably locked. see if you can OC much higher with it, or measure vgpu with a dmm, if its stock, grab the 3A from page 1

Yes, but I think he has the right BIOS if u look at his posted image. I compared it with the 3A on the first page.
post #5227 of 7827
Quote:
Originally Posted by SK019 View Post

Why 2.2.3? I have flashed the bios already with the one from the first page (........3A unlocked). With Afterburner 2.2.4 I'm getting same results, what's the difference between those two?

I,m asking a lot of questions, I know, but I would really like to pull out maximum performance from this card - that is the main reason why I bought it. Thank you for your answers.

2.2.4 is locked. 2.2.3 isn't.
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post #5228 of 7827
Quote:
Originally Posted by asleaker View Post

Quote:
Originally Posted by CryptiK View Post

Theres a locked and unlocked version of the 3A bios, if your card is not old, its probably locked. see if you can OC much higher with it, or measure vgpu with a dmm, if its stock, grab the 3A from page 1

Yes, but I think he has the right BIOS if u look at his posted image. I compared it with the 3A on the first page.

The locked version of the 3A is what comes on a lot of cards. It has the same name as the one in the OP, but it isn't unlocked. You have to flash to the one from the OP if you don't have a 300% Power Limit in Afterburner 2.2.3. So King may have the locked version of the 3A, and will have to flash and then use 2.2.3 to raise the voltage. Awesome card king thumb.gif

Quote:
Originally Posted by SK019 View Post

Quote:
Originally Posted by dph314 View Post

Nice smile.gif
Yep you should definitely be using Afterburner 2.2.3. You'll probably have to flash the BIOS though if your LN2 BIOS doesn't have a 300% Power %. Don't worry though, it's easy. Directions are in the first post smile.gif

Why 2.2.3? I have flashed the bios already with the one from the first page (........3A unlocked). With Afterburner 2.2.4 I'm getting same results, what's the difference between those two?

I,m asking a lot of questions, I know, but I would really like to pull out maximum performance from this card - that is the main reason why I bought it. Thank you for your answers.

Don't worry about the questions smile.gif Yes, like drifting said, Afterburner 2.2.3 is the version you need to change the voltage. Later version are locked down, unless you edit the config file. If you don't want to bother, then you can just use 2.2.3 like I do.
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post #5229 of 7827
Quote:
Originally Posted by supermi View Post

Yes I am BACK LOL

I got 4 classifieds and tested them on air individually and then picked up another 2 later before putting them under water just to see if I could get an even better one NOPE the originals which are I think sn# 041 , 043, 044, 045 turned out to be golden ...

So I got 4 universal blocks and some copper heatsinks and made the most monster build (good looking as well) I have seen i a while LOL

the cards took closer to 1.3v under air but under water in 4 way sli seem very happy at 1400mhz with 1.26v might even go lower but I have not checked ... with my crazy rad set up 1 gallon plus res and dual pump the gpu temps are mid 30's to low 40's (they are water cooled in series so the 4th gpu is about 3-4 deg C warmer than the first few ... even in summer at those clocks I doubt it will crack the low 50's if it even gets that warm LOL

BTW playing border lands 2 in surround 3d and seeing each card at 97% usage is AMAZING!!!!

BUT I think I wanna be part of that titan club so I am gonna find some buyer/buyers for these cards, they are AMAZING but I need the newest stuff LOL just moved from my galaxy s3 to the note 2 within a few months and will go to the S4 and Note 3 fairly soon as well ... it make me happy, what can I say hehehe

I love people who spend/waste their money on completely useless gadgets and desktop splanchnic:-) Long live capitalisme!! I am one of them too but I didn'tt thougth anyone else used more than me - I live in the worlds richest country. I doubt u are?
post #5230 of 7827
Quote:
Originally Posted by dph314 View Post

Don't worry about the questions smile.gif Yes, like drifting said, Afterburner 2.2.3 is the version you need to change the voltage. Later version are locked down, unless you edit the config file. If you don't want to bother, then you can just use 2.2.3 like I do.

I will then definitely try out 2.2.3. Thank you.
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