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[Official] NVIDIA GTX 780 Ti Owner's Club - Page 728

post #7271 of 16490
you should not run the card without those pads in place.
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post #7272 of 16490
Quote:
Originally Posted by arvidab View Post

Installed a WB on my 780Ti yesterday. Fired it up and temps look very, 44C at load. But I then realized I missed a couple of thermal pads, wasn't there on the ref cooler but looked at the instructions today and found that I should have put some here too:




How bad is it not to have pads there? I guess they get a little air flow from the ref but now pretty much nothing. Do I need to tear my loop down?


The R22 inductors heat up pretty good and are prone to coil whining, so, its always advisable to put some thermal pads on them, don't forget the memory inductors R22 too (in yellow) they are burning on titans/780/780Ti due to excessive heat from long term overuse (mining and folding) but we do not know if its only that, so, its better to be safe than sorry! thumb.gif




Cheers

Ed

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post #7273 of 16490
I dont think the thermal pads that came with my XSPC Razor block and back plate are thick enough. I am thinking of tearing down the loop to replace them when I take out the CPU to delid it.

Any brand of pad and thickness you would recommend?
Edited by grifftech - 2/9/14 at 2:09pm
post #7274 of 16490
Does the OccamRazor GK110 Advanced Guide apply to the 780Ti that is on the first page? I open it and it says Titan and 780
post #7275 of 16490
Quote:
Originally Posted by grifftech View Post

I dont think the thermal pads that came with my XSPC Razor block and back plate are thick enough. I am thinking of tearing down the loop to replace them when I take out the CPU to delid it.

Any brand of pad and thickness you would recommend?

0,5mm! wink.gif

Quote:
Originally Posted by grifftech View Post

Does the OccamRazor GK110 Advanced Guide apply to the 780Ti that is on the first page? I open it and it says Titan and 780


No, it doesn't on the LLC and Volt mod part including the Zawarudo's tool! The rest is OC of course, it applies to all GK110 cards! thumb.gif


Cheers

Ed

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post #7276 of 16490
Quote:
Originally Posted by OccamRazor View Post

0,5mm! wink.gif
No, it doesn't on the LLC and Volt mod part including the Zawarudo's tool! The rest is OC of course, it applies to all GK110 cards! thumb.gif


Cheers

Ed

(Team skyn3t)

After sweaty palms and butterflies I flashed my BIOS and it is successful, it was really easy but it was my first time ever doing it especially to a $700 card smile.gif. Now onto the OC!!
post #7277 of 16490
Quote:
Originally Posted by TTheuns View Post

They are in the instructions for a reason. I'd not take the risk and just replace it, without tearing your whole loop apart, try to remove just the waterblock. ( I have no idea if this is possible, new to watercooling )

Quote:
Originally Posted by mxthunder View Post

you should not run the card without those pads in place.

Quote:
Originally Posted by OccamRazor View Post

The R22 inductors heat up pretty good and are prone to coil whining, so, its always advisable to put some thermal pads on them, don't forget the memory inductors R22 too (in yellow) they are burning on titans/780/780Ti due to excessive heat from long term overuse (mining and folding) but we do not know if its only that, so, its better to be safe than sorry! thumb.gif
Warning: Spoiler! (Click to show)


Cheers

Ed

(Team skyn3t)

Sigh, I get on it then. tongue.gif

Thanks though, it would suck to see it blow up. I'll be sure to put some on R22 too.
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post #7278 of 16490
My ASIC

post #7279 of 16490
Has anyone really proven that asic quality makes a difference? i Can do +100mhz with boost enabled on my ACX of 63.4% And i see people with higher asic and lower clocks. Seems like asic is completely irrelevant to overclockability. Mind you i wasnt even unstable and didnt feel like pushing further, so i may be able to do even more....
Edited by 50shadesofray - 2/9/14 at 3:46pm
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post #7280 of 16490
Quote:
Originally Posted by 50shadesofray View Post

Has anyone really proven that asic quality makes a difference? i Can do +100mhz with boost enabled on my ACX of 63.4% And i see people with higher asic and lower clocks. Seems like asic is completely irrelevant to overclockability. Mind you i wasnt even unstable and didnt feel like pushing further, so i may be able to do even more....

Here is one of my articles on the matter:

" ASIC score is more an indication for nvidia and amd and for us only a measure of leakage in our chips (thanks to W1zzard from TechPowerup for GPUz reading the chip's ASIC), its good to know the ASIC if youre going to run SLI because it want to have closely similar ASIC score on your cards because they will have similar voltages and you can clock/volt them together without having to go separate settings if you get big difference ASIC ( i.e: 60% - 80%)
@TSMC for nvidia and FAB1 for AMD, As the chips are removed from the substrate waffer, tested and fused with the voltage is reflected on the leakage of every chip

Originally Posted by Dave Baumann Product manager AMD
"Actually, it does the opposite! We scale the voltage based on leakage, so the higher leakage parts use lower voltage and the lower leakage parts use a higher voltage - what this is does narrow the entire TDP range of the product.

Everything is qualified at worst case anyway; all the TDP calcs and the fan settings are completed on the worst case for the product range"

A high leakage card operates at lower voltage to balance the otherwise higher power draw and temps. It will also overclock higher than what a low leakage card would. The problem is though, cards usually have a limit of voltage increase, i.e. say +150mV , which means AB could overvolt a 1.15V card to 1.3V, but a 1.1V card would crash above 1.25V.

A high leakage card is what you want if you do extreme OC, and you can keep the card cool (H20,LN2 etc.). Your mileage will vary of course, not all low VID cards are good OC cards, and not all high VID cards OC bad. It's a part of product binning, they try to fit in as many chips as possible to a similar ASIC spec.

From "the man" himself:

it's from the gpu silicon, and it's used to calculate the gpu voltage.

"bad" gpus get a higher voltage so they make the default clock. "good" gpus can do it with lower voltage

as you've seen in this thread, the scale for nvidia isnt perfect yet, so i'll apply some fixes once I have more data that suggests the typical ranges of gpu leakages

W1zzard - Techpowerup


So IMHO nothing is written in stone and you can take that to the bank! thumb.gif"



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Ed

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