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[Official] Delidded Club / Guide - Page 1808

post #18071 of 33576
He would definitely get 6ghz with 1.9v at -170c...most likely, but not sure on more than 2 cores.
post #18072 of 33576
Quote:
Originally Posted by ivanlabrie View Post

He would definitely get 6ghz with 1.9v at -170c...most likely, but not sure on more than 2 cores.

And I'll never get down that low, because I'm too scared of dragonskinning my mobo. Plus LN2 isn't really a 24/7 option.
Quote:
here how about this.... your not gonna get 5.2 under 1.8 i can garauntee you that much the vcore jumps are crazy you'd probably need like 1.86 area.....

Yeah it seems like that is going to be true. I'm hoping that if I get the water down to -10C or so that the leakage will go down enough where I can make 5.2-5.3 without increasing voltage. I noticed that I was able to get P95 stable at 5.1 w/ 1.725V at 65F whereas previously at 75F it would crash after the first 5 tests. This gels with the Ivy Bridge OC Guide that found power consumption dropped near-exponentially with lower temperatures, even "reasonable" lower temperatures and not just water vs LN2.

My informal goal is to get 5.3 stable 24/7 so then I'll have the highest 24/7 IB OC according to the IB Stable Club spreadsheet. Right now the highest is 5.25 I think.
Edited by dr/owned - 5/3/13 at 12:06pm
post #18073 of 33576
I currently have 5 at 1.4v, with no sign of any instability, but temps are on the high side.
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i7 4770k Gigabyte GA-Z87X-OC Gigabyte Windforce 780Ti 3072mb Gigabyte Windforce 780Ti 3072mb 
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post #18074 of 33576
here what i got a while back on my old board biggrin.gif
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post #18075 of 33576
Quote:
Originally Posted by dr/owned View Post

And I'll never get down that low, because I'm too scared of dragonskinning my mobo. Plus LN2 isn't really a 24/7 option.
Yeah it seems like that is going to be true. I'm hoping that if I get the water down to -10C or so that the leakage will go down enough where I can make 5.2-5.3 without increasing voltage. I noticed that I was able to get P95 stable at 5.1 w/ 1.725V at 65F whereas previously at 75F it would crash after the first 5 tests. This gels with the Ivy Bridge OC Guide that found power consumption dropped near-exponentially with lower temperatures, even "reasonable" lower temperatures and not just water vs LN2.

My informal goal is to get 5.3 stable 24/7 so then I'll have the highest 24/7 IB OC according to the IB Stable Club spreadsheet. Right now the highest is 5.25 I think.

The colder the better, lower temps also needs less voltage. Don't fear the dragon skin or LET.

This was with cascade, basically an air conditioner cascading into another air conditioner & going to a cpu heatsink instead of cooling the air or water. I should get back to getting this done with max memory....

55ibtvh.jpg
    
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post #18076 of 33576
I'd love to get a cascade or even a single stage...It's something I got pending.
post #18077 of 33576
^^ You bring up a good idea FtW. What if I bought an AC and blew it into the radiator of the chiller? I have to wonder how much the temperature would improve with that. It might still be more cost effective to just throw more chillers into the loop than to optimize a single chiller.

As is the refrigerant flowing into the rad is very hot (110+ and can only grab it for a few seconds before it hurts too much). Refrigerant flowing out is still warm.
Edited by dr/owned - 5/3/13 at 1:25pm
post #18078 of 33576
You NEED to put the evaporator of an AC inside the fluid....it's the only proper way to do it.
post #18079 of 33576
You guys have any opinions on the L.D. cases with phase?
http://www.frozencpu.com/cat/l2/g1/c547/list/p1/Cases-LD_Cooling_Cases.html
I don’t really know much about it. Is it really practical for 24/7 use as far a cost to run it, maintain it, reliability, etc.?
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post #18080 of 33576
Quote:
Originally Posted by justanoldman View Post

You guys have any opinions on the L.D. cases with phase?
http://www.frozencpu.com/cat/l2/g1/c547/list/p1/Cases-LD_Cooling_Cases.html
I don’t really know much about it. Is it really practical for 24/7 use as far a cost to run it, maintain it, reliability, etc.?

I've only heard good things about Little Devil, but the prices are a bit steep...Would love one though.
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