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post #14341 of 34702 (permalink) Old 03-19-2013, 12:49 AM
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Neither, you just gotta know what you're doing and how to do it. I've delidded two chips, both with success.

He wasn't talking about the IHS tongue.gif


From what I've read CLU and CLP tend to etch into the Aluminium / Copper due to a chemical reaction. Although this isn't necessarily bad for the temps, it does kinda ruin the IHS / cooler you put on top of it, if you reseat. Which makes me wonder if I'll actually ever use CLU or CLP over AS5, which doesn't etch. thinking.gif

English isn't my mother tongue, excuse my phrasing.


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post #14342 of 34702 (permalink) Old 03-19-2013, 01:21 AM
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He wasn't talking about the IHS tongue.gif


From what I've read CLU and CLP tend to etch into the Aluminium / Copper due to a chemical reaction. Although this isn't necessarily bad for the temps, it does kinda ruin the IHS / cooler you put on top of it, if you reseat. Which makes me wonder if I'll actually ever use CLU or CLP over AS5, which doesn't etch. thinking.gif

Aluminium yes,
Copper nope..

wouldnt be a good thing if liquid pro/ultra would eat copper ...lol,
no use to bring a product on the market when almost all surfaces you use it on are made of copper..
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post #14343 of 34702 (permalink) Old 03-19-2013, 01:31 AM
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Originally Posted by VonDutch View Post

Quote:
Originally Posted by MoGTy View Post

He wasn't talking about the IHS tongue.gif


From what I've read CLU and CLP tend to etch into the Aluminium / Copper due to a chemical reaction. Although this isn't necessarily bad for the temps, it does kinda ruin the IHS / cooler you put on top of it, if you reseat. Which makes me wonder if I'll actually ever use CLU or CLP over AS5, which doesn't etch. thinking.gif

Aluminium yes,
Copper nope..

wouldnt be a good thing if liquid pro/ultra would eat copper ...lol,
no use to bring a product on the market when almost all surfaces you use it on are made of copper..

It sure does stick, almost seems like is solders itself to the surfaces after a bit of heat gets pumped through it.

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post #14344 of 34702 (permalink) Old 03-19-2013, 01:45 AM
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It sure does stick, almost seems like is solders itself to the surfaces after a bit of heat gets pumped through it.

it does stick after a while, but upto a month or maybe a few it will stay liquid,
like any other tim it hardens a bit over time..
but theres a difference between that and eating copper,
"It doesnt bond, more like the fact the gallium in CLP creates an alloy with Aluminum and breaks down the aluminum by destroying the lattice structures in the Al, gallium will also do this with other metals, but copper and nickel are not one of them."
http://www.xtremesystems.org/forums/showthread.php?162440-Coollabs-Liquid-Pro-Investigated!-Easiest-possible-way-to-remove-included.-56k-warnin

this is what gallium does to Alu,


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post #14345 of 34702 (permalink) Old 03-19-2013, 02:20 AM
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Originally Posted by VonDutch View Post

it does stick after a while, but upto a month or maybe a few it will stay liquid,
like any other tim it hardens a bit over time..
but theres a difference between that and eating copper,
"It doesnt bond, more like the fact the gallium in CLP creates an alloy with Aluminum and breaks down the aluminum by destroying the lattice structures in the Al, gallium will also do this with other metals, but copper and nickel are not one of them."
http://www.xtremesystems.org/forums/showthread.php?162440-Coollabs-Liquid-Pro-Investigated!-Easiest-possible-way-to-remove-included.-56k-warnin
Warning: Spoiler! (Click to show)




...hey, VonDutch is back smile.gif - and very right he is, never mind that CL products give a warning right on the package about aluminum...I was going to do my Direct CU ii cards with CL U, but in the end did not because there was a tiny bit if aluminum visible on the die contact area:

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post #14346 of 34702 (permalink) Old 03-19-2013, 03:21 AM
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Guys is it possible that chip just wont last higher voltages ? I can currently go [email protected] and it goes fine for 29 hours in prime but then one worker fails. So I logically set 1.25V and one would think it will be completely stable, but to my surprise, prime itself crash after 8 hours or so. So I might end up with [email protected] again.. But it doesnt make any sense, as I see ppl here having their chips on 1.4V etc., and 1.25V isnt really high
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post #14347 of 34702 (permalink) Old 03-19-2013, 03:29 AM
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Guys is it possible that chip just wont last higher voltages ? I can currently go [email protected] and it goes fine for 29 hours in prime but then one worker fails. So I logically set 1.25V and one would think it will be completely stable, but to my surprise, prime itself crash after 8 hours or so. So I might end up with [email protected] again.. But it doesnt make any sense, as I see ppl here having their chips on 1.4V etc., and 1.25V isnt really high

Did you catch my post on this matter. I posted several days ago.

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post #14348 of 34702 (permalink) Old 03-19-2013, 03:31 AM
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Did you catch my post on this matter. I posted several days ago.

Yes I did, but we were talking about 1.4V. It seems impossible to me that chip could not stand 1.25V, that would be just ridiculous.

PS: SmallFFT test on 1.4V is quite fine, but just blend BSOD immediately. Seems to me as something with RAM, not the chip
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post #14349 of 34702 (permalink) Old 03-19-2013, 03:50 AM
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Guys is it possible that chip just wont last higher voltages ? I can currently go [email protected] and it goes fine for 29 hours in prime but then one worker fails. So I logically set 1.25V and one would think it will be completely stable, but to my surprise, prime itself crash after 8 hours or so. So I might end up with [email protected] again.. But it doesnt make any sense, as I see ppl here having their chips on 1.4V etc., and 1.25V isnt really high

ivy is also about working the vcore very carefully,
made me think about something sin0822 said in his guide, how ivy behaves under ln2 etc..
i wouldnt go from 1.235 to 1.25 in one step tho, just stick to the 0.005V increments , and first try 1.240, then1.245...and then 1.25V,
not sure what else there could be wrong with your vcore up, and getting worse results..

Under LN2/DICE: Temperature is more important for high clocks than voltage is when it comes to Ivy Bridge. Also under LN2 higher vcore might not yield a higher clock, as it will add more heat which can have an opposite effect. So while at 1.84v I might do 6.6 GHz if I increase to 1.86 I can only do 6.55, but if I lower the vcore to 1.83v I can still only do 6.55, it is all about working the volts very carefully. I should take a second and note that Ivy Bridge is an extremely tough CPU, it is very hard to kill, however you can kill it if you go above 1.6v on air and ~2.0v on LN2. Ivy Bridge also seems to be more resilient to degradation than Sandy Bridge was, however the heat produced by the CPU can cause degradations when above what Intel recommends.


the way i do my oc's, is find my stable vcore for any oc, then change to offset, see if it is stable,
then i just at 0.005 or 0.010V, and let it run like that, never had problems with it doing it that way,
so i think its strange you cant/couldnt at more vcore smile.gif
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post #14350 of 34702 (permalink) Old 03-19-2013, 03:55 AM
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Originally Posted by VonDutch View Post

ivy is also about working the vcore very carefully,
made me think about something sin0822 said in his guide, how ivy behaves under ln2 etc..
i wouldnt go from 1.235 to 1.25 in one step tho, just stick to the 0.005V increments , and first try 1.240, then1.245...and then 1.25V,
not sure what else there could be wrong with your vcore up, and getting worse results..

Under LN2/DICE: Temperature is more important for high clocks than voltage is when it comes to Ivy Bridge. Also under LN2 higher vcore might not yield a higher clock, as it will add more heat which can have an opposite effect. So while at 1.84v I might do 6.6 GHz if I increase to 1.86 I can only do 6.55, but if I lower the vcore to 1.83v I can still only do 6.55, it is all about working the volts very carefully. I should take a second and note that Ivy Bridge is an extremely tough CPU, it is very hard to kill, however you can kill it if you go above 1.6v on air and ~2.0v on LN2. Ivy Bridge also seems to be more resilient to degradation than Sandy Bridge was, however the heat produced by the CPU can cause degradations when above what Intel recommends.

Well, 1.235V failed after 29 hours. 1.245V gave whea code 19 after 8-9 hours, and with 1.250V prime just crashed after 8 hours. I dont remember if I tried 1.2400V though, but I think I did.
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