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[Official] NVIDIA GTX 780 Owner's Club - Page 1795

post #17941 of 24915
Quote:
Originally Posted by Leopard2lx View Post

Hi Ed, here is a pic of where I have thermal pads (bright red highlights). Also note, that all these modules have thermal paste on them too under the pads (so it goes modules -> thermal paste -> thermal pads -> waterblock).



P.S. Rock solid stable in benchmarks and Crysis 3 after extended stress with 1411 Mhz @ 1.41v (LLC included) biggrin.gif I will be adding another 360mm triple radiator soon anyway.

Good! thumb.gif
There is only on thing to remember then, all cards that burned were under stress for long periods of time and its not the voltage that is problematic, its the amperage (current) that is drawn (allowed by the voltage)

I.E - If you are having 500W* draw with my formula: aW x b% = cW (a= bios base TDP, b= OSD TDP, c= aproximate power draw)
You will have:

The power P in watts (W) is equal to the voltage V in volts (V), times the current I in amps (A):
P(W) = V(V) × I(A)

500W = 1,400V x 357A

Your card has 6 phases@ 60A max each for the core «=» 6 x 60A = 360A

Of course all that current is going to the entire card and not only for the core, but this way you have a clearer picture of the limitations implied and you can set some safety limits for yourself! wink.gif

*that is a figurative number, all cards have different power draw! smile.gif
Cheers

Ed

(Team skyn3t)
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post #17942 of 24915
How far can you push your 780 Elpida ram? I am afraid to go above +150 since I hear Elpida does not OC well... don't want to risk frying anything.
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post #17943 of 24915
Quote:
Originally Posted by caenlen View Post

How far can you push your 780 Elpida ram? I am afraid to go above +150 since I hear Elpida does not OC well... don't want to risk frying anything.

I don't think you are at risk of frying anything if you are within your cards optimal cooling capabilities. 1.212v max for air and 1.3v+ for water.
post #17944 of 24915
Quote:
Originally Posted by kiario View Post

Hello,

I just flashed my MSI Twin frozr 780 OC with skyn3t's bios 80.80.21.00.1c and get weird flashes all over unigine heaven benchmark when I overclock.

Before skyn3ts bios I could run steadyat 150+ (1157) core and and 400+ on memory.

No I get artifacts already at 100 memory.

Also Power consumption was lowered by approx 40%. Used to have 100 now 60.

Anyone at skyn3t that could help me with this?

Thanks.
post #17945 of 24915
Quote:
Originally Posted by OccamRazor View Post

Why dont you connect the fans to the motherboard and control them from the bios? your motherboard is gigabyte, doesnt it have a fans controlling program like asus have?
Or did you try it already?

All of the case-fan headers on my motherboard are linked together (one setting controls the fan speed of ALL connected case fans). If I connected my GPU fans to my motherboard, I would be forced to run my GPU fans and case fans at the same speed... Sorry, but that wont work.

We really just need a BIOS that totally ignores the RPM reading it's receiving. That would totally solve all the problems people are having with aftermarket coolers.
Edited by Leapo - 3/3/14 at 12:29am
post #17946 of 24915
Quote:
Originally Posted by caenlen View Post

does anyone have the original bios for the msi gtx 780 gaming edition twin frozr?

i want to flash back and i lost my original cause of a reformat about a month ago

GTX_780 Gaming_Bios
post #17947 of 24915
Quote:
Originally Posted by zalazar View Post

GTX_780 Gaming_Bios

Ed already helped me with this, thank you though.
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post #17948 of 24915
Is there any point to overclocking the memory with a single card? Without water cooling, is there anyway I could clock the core high enough so that memory would be bottleneck?
post #17949 of 24915
Jep. Everything above 1150Mhz on the GPU you will lost a little bit of Performance if you dont OC the VRAM...
post #17950 of 24915
Does anyone happen to have a copy of the stock BIOS for a 780 SC with a sticker marked 80.80.31.00.80? I can't find one anywhere... I had it saved but alas... it eludes me. Selling card but buyer requested original BIOS. All the BIOS files I can find with that revision on them are for the ACX version... Is the sticker wrong?
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