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Testing The OCC LN2 Chiller

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post #101 of 118 (permalink) Old 11-14-2015, 12:14 AM
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Yeah it really sounds great. I still have my initial concerns with how it will hand a really hot chip.

like someone said earlier a 5960x eats a whole .5l chamber with a 2.5KG mass pot.

also if it brings temps down too quickly you get popping or whatever its called. basically the IHS and the core separate thermally even with the thermal paste there and the chance of killing a cpu is exponentially increased.

I think they talk about it here. http://forum.hwbot.org/showthread.php?t=144109
anyways essentially. I am worried that there may be a huge sudden temp swing and the OCC may compensate quickly instead of slowly taking it down at 1c a second or whatever, they recommend


I If splave or loud silence got interested in this thing theyd be able to test it and tell you straight up, though. They do so many CPUs they probably know everything there is to know..

I dunno I have read so much here and there, and been told so many things... ln2 with cpu is crazy...

I was told to be prepared to lose alot of chips starting out just the day before yesterday... By the guy who showed me how to do PSC ram... I guess ram is pretty forgiving...
he told me when he was learning 3770k he killed 3+ chips..

(If y'all) ain’t ready for the old murder, then what you gonna do with the new me?
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post #102 of 118 (permalink) Old 11-14-2015, 12:39 AM - Thread Starter
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Quote:
Originally Posted by tatmMRKIV View Post

Yeah it really sounds great. I still have my initial concerns with how it will hand a really hot chip.

like someone said earlier a 5960x eats a whole .5l chamber with a 2.5KG mass pot.

also if it brings temps down too quickly you get popping or whatever its called. basically the IHS and the core separate thermally even with the thermal paste there and the chance of killing a cpu is exponentially increased.

I think they talk about it here. http://forum.hwbot.org/showthread.php?t=144109
anyways essentially. I am worried that there may be a huge sudden temp swing and the OCC may compensate quickly instead of slowly taking it down at 1c a second or whatever, they recommend


I If splave or loud silence got interested in this thing theyd be able to test it and tell you straight up, though. They do so many CPUs they probably know everything there is to know..

I dunno I have read so much here and there, and been told so many things... ln2 with cpu is crazy...

I was told to be prepared to lose alot of chips starting out just the day before yesterday... By the guy who showed me how to do PSC ram... I guess ram is pretty forgiving...
he told me when he was learning 3770k he killed 3+ chips..

Well on the OC'ers forum Earthdog the Editor says the performance on the 6-8 core Intels should be the same as the FX as they are the same or lower wattage. If the cooling is being done by hand, the OCC is only more accurate. If you need to set profiles with the OCC it can handle up to forty programmed. I have had a couple personal conversations with pros in recent days and the thoughts are that temp stability is king. So if the OCC holds the swings down, then that answers the concern before it is raised. I'm just interested to see who sets the first record OCC cooling. I may go for one next week with the FX!

I'd be stoked to get splave in on some of this. I was talking with him a couple of years ago when we started developing the OCC. I have another pro getting an OCC in the next week or so. I'll let him break the news and hopefully a couple records.

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post #103 of 118 (permalink) Old 11-14-2015, 05:04 AM
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I don't think earthdog or whatever his name is has ever tested them both on LN2 then. The 5960X creates a bucket load of heat when pushed to the limit. That's no to say the FX chips don't as they certainly do put out a lot of heat and the OCC has already shown to recover well from it.

I'm of course not fully up to date with the internal designs of the cooling "head" of the OCC as there isn't of course a diagram on that, however if it were me personally I would it slightly larger on a rev 2 if possible. Reason being of course simple thermodynamics with the larger mass of a base being more difficult to heat up when a load is applied.

The one on it currently reminds me a lot of a phase change unit evaporator head which is fine for most CPUs, but the big beast are really going to push it a bit.

I could be wrong though and a bigger base may in fact be detrimental, however I'm sure it will allow the product to hold and keep temps stable even better which is what this system is all about and would probably make it a more polished product.

Really wish I was in the US and local to you as this kind of engineering challenge is fascinating to me. Alas I'm on the wrong side of the pond and we rarely have anything interesting pop up over here.
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post #104 of 118 (permalink) Old 11-14-2015, 11:08 AM - Thread Starter
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Quote:
Originally Posted by ObscureParadox View Post

I don't think earthdog or whatever his name is has ever tested them both on LN2 then. The 5960X creates a bucket load of heat when pushed to the limit. That's no to say the FX chips don't as they certainly do put out a lot of heat and the OCC has already shown to recover well from it.

I'm of course not fully up to date with the internal designs of the cooling "head" of the OCC as there isn't of course a diagram on that, however if it were me personally I would it slightly larger on a rev 2 if possible. Reason being of course simple thermodynamics with the larger mass of a base being more difficult to heat up when a load is applied.

The one on it currently reminds me a lot of a phase change unit evaporator head which is fine for most CPUs, but the big beast are really going to push it a bit.

I could be wrong though and a bigger base may in fact be detrimental, however I'm sure it will allow the product to hold and keep temps stable even better which is what this system is all about and would probably make it a more polished product.

Really wish I was in the US and local to you as this kind of engineering challenge is fascinating to me. Alas I'm on the wrong side of the pond and we rarely have anything interesting pop up over here.
Earthdog has quite a bit of clout judging by all the badges and stuff next to his name. But regardless, we are getting one in the hands of a pro who is going to run it on some of the latest intel gear. Yes we have already made the revision to a larger chuck with the newer chips in account and all production is with the larger chuck. It doesn't actually add any significant amount of mass, so the thermodynamics should not be noticeably different.

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post #105 of 118 (permalink) Old 12-06-2015, 10:05 PM
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any updates?

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post #106 of 118 (permalink) Old 12-06-2015, 10:43 PM - Thread Starter
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I cant say much but things are about to getvreally exciting!

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post #107 of 118 (permalink) Old 12-21-2015, 07:33 PM - Thread Starter
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Just completed a new build with new enclosure. Looking good! Thought we’d have a little fun with a heat gun! We did run the OCC on our new 5960x and the results were fantastic. Ran 5.3 ghz and there was no temp swing during benchmarks (seriously, it gained 1 degree). But our pro associate who is getting the OCC next week wants to break with the news with his video of his sweetness-5960x and verified results.

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post #108 of 118 (permalink) Old 12-22-2015, 06:55 AM
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What temperatures were you holding/shooting for on the 5960X? Do you know the batch number on it?

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post #109 of 118 (permalink) Old 12-23-2015, 07:49 PM - Thread Starter
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-125 to -140C. No. Next time i freeze it, I'll log the batch #. Stay tuned Bass! .... oh, that was a good Freudian slip redface.gif

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post #110 of 118 (permalink) Old 12-23-2015, 08:04 PM
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