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[Official] Delidded Club / Guide - Page 806

post #8051 of 33796
Quote:
Originally Posted by zGunBLADEz View Post

Im wondering if somebody has test it or seen somebody reusing intel thermal paste once delided for testing??

As everybody blames the thermal paste and have read somewhere else that the main culprit is the contact between the die and ihs because of the glue intel uses. The die dont make a good contact with the ihs because of it...

I know of course with a better tim you are going to see better results.. But just for science!!!

Delid the chip and remove IHS carefully Clean the glue around chip and ihs...

Hoping it do a good contact again...Just for testing... I would have do it but didnt think about it back then...

Quote:
Originally Posted by VonDutch View Post

Intels tim is as good as any other tim, the w/mk isnt that bad, 3-4 w/mk i think it was,
someone did test it and reused the intel tim..let me see if i can find it again..


Compare all the "a" cases to the "b" cases, the only functional differences in these two test conditions is the CPU TIM. Notice that the Intel stock CPU TIM outperforms the NT-H1 replacement TIM once the CPU-to-IHS gap is identical

(all the "b" cases are ~2-3°C warmer than the "a" cases)

And if we remove the paper shim and drop that IHS down onto the CPU (not perfectly zero of course, there is still some NT-H1 CPU TIM there after all) reducing the gap to as close to zero as possible then we get the "c" cases...and the temperatures show the expected fantastic drops we have all come to expect from delidding our Ivy Bridge chips.

Conclusion: The Intel stock CPU TIM is not the reason Ivy Bridge's run hot, and replacing the Intel stock CPU TIM is not the reason a delidded Ivy Bridge runs so much cooler - the benefits of delidding are entirely due to the resultant reduction in gap height between the CPU silicon die and the underside of the IHS.
http://forums.anandtech.com/showpost.php?p=34053183&postcount=570
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post #8052 of 33796
Quote:
Originally Posted by [CyGnus] View Post

Well for the safe side you can go to 1.575v, but since there is ram at 1.65v out of the box i would say go for that no issues

I see, thanks! I'll stick to my 1.525! tongue.gif It runs my RAM with no problem and with insurance since it's stable at 1.5000. tongue.gif
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post #8053 of 33796
I saw that Ivy can handle up to 1.75v on the ram voltage. I have mine running at 1.65v daily use for like... eternity!
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post #8054 of 33796
Quote:
Originally Posted by [CyGnus] View Post

OK did a remount applied Tim on Die and IHS again it seems better the difference from the cores is now just 6ºc (it was 11ºc before)

Told ya, I was sure it was not seated right. smile.gif
post #8055 of 33796
I apologize for the long winded post, but please be patient

Delidded my 3570k. Was priming last night custom with 90% available ram at 4.2ghz with 1.2v core and have llc at level 2 on an as rock z77 itx board which gives me about 1.207 volts in CPU z under load. I am running water with a 140mm rad and was pulling 60-65c across all cores which is roughly 20-25c difference from my cooler master evo:eek: With that said I woke up about an hour or two during the prime run to hear akasa vipers running at 100%(loud) which meant that fan control kicked in at 65c which its set to do. I was fine with this because it was working as intended and I went back to sleep. 6am this morning I find the fans silent, but running, and prime no longer testing. Sometime last night the thing rebooted and I'm not sure if its the overheat protection setup in core temp or if I don't have enough voltage. One would think with the temps I was pulling the 140.1 rad is enough for for 72watts which according to core temp was the wattage draw during prime. Is it possible another rad is needed and my temps shot up without me knowing? Thanks in advance
post #8056 of 33796
Quote:
Originally Posted by chris-br View Post

Told ya, I was sure it was not seated right. smile.gif

thumb.gif
post #8057 of 33796
Quote:
Originally Posted by VonDutch View Post

Warning: Spoiler! (Click to show)

Compare all the "a" cases to the "b" cases, the only functional differences in these two test conditions is the CPU TIM. Notice that the Intel stock CPU TIM outperforms the NT-H1 replacement TIM once the CPU-to-IHS gap is identical

(all the "b" cases are ~2-3°C warmer than the "a" cases)

And if we remove the paper shim and drop that IHS down onto the CPU (not perfectly zero of course, there is still some NT-H1 CPU TIM there after all) reducing the gap to as close to zero as possible then we get the "c" cases...and the temperatures show the expected fantastic drops we have all come to expect from delidding our Ivy Bridge chips.

Conclusion: The Intel stock CPU TIM is not the reason Ivy Bridge's run hot, and replacing the Intel stock CPU TIM is not the reason a delidded Ivy Bridge runs so much cooler - the benefits of delidding are entirely due to the resultant reduction in gap height between the CPU silicon die and the underside of the IHS.
http://forums.anandtech.com/showpost.php?p=34053183&postcount=570

So this mean the reason is because of the thick glue they used to glue the IHS to the PCB?

+rep, good to know this, saved in favorite to pass the info thumb.gif
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post #8058 of 33796
Quote:
Originally Posted by zGunBLADEz View Post

Im wondering if somebody has test it or seen somebody reusing intel thermal paste once delided for testing??

As everybody blames the thermal paste and have read somewhere else that the main culprit is the contact between the die and ihs because of the glue intel uses. The die dont make a good contact with the ihs because of it...

I know of course with a better tim you are going to see better results.. But just for science!!!

Delid the chip and remove IHS carefully Clean the glue around chip and ihs...

Hoping it do a good contact again...Just for testing... I would have do it but didnt think about it back then...

I might try it with my new chip.
Quote:
Originally Posted by davwman View Post

I apologize for the long winded post, but please be patient

Delidded my 3570k. Was priming last night custom with 90% available ram at 4.2ghz with 1.2v core and have llc at level 2 on an as rock z77 itx board which gives me about 1.207 volts in CPU z under load. I am running water with a 140mm rad and was pulling 60-65c across all cores which is roughly 20-25c difference from my cooler master evo:eek: With that said I woke up about an hour or two during the prime run to hear akasa vipers running at 100%(loud) which meant that fan control kicked in at 65c which its set to do. I was fine with this because it was working as intended and I went back to sleep. 6am this morning I find the fans silent, but running, and prime no longer testing. Sometime last night the thing rebooted and I'm not sure if its the overheat protection setup in core temp or if I don't have enough voltage. One would think with the temps I was pulling the 140.1 rad is enough for for 72watts which according to core temp was the wattage draw during prime. Is it possible another rad is needed and my temps shot up without me knowing? Thanks in advance

It could just be voltage. Check your logs to see if you got a BSOD around that time.
post #8059 of 33796
Checked reliability monitor and it looks like windows installed updates and rebooted. No hardware failures, bsods, shutdowns reported. At 4.4 with 1.23v right now. Adding an alpha cool 120.2 anyway for $40.
post #8060 of 33796
Quote:
Originally Posted by KaRLiToS View Post

So this mean the reason is because of the thick glue they used to glue the IHS to the PCB?

+rep, good to know this, saved in favorite to pass the info thumb.gif

yes, its the distance between the die and ihs thats the no.1 cause of high temps with ivy smile.gif
the tim used could have been better tho, hence the big difference if you use liquid pro/ultra,
the w/mk of the tim is important too we learned here when used on the die..
Quote:
Originally Posted by davwman View Post

Checked reliability monitor and it looks like windows installed updates and rebooted. No hardware failures, bsods, shutdowns reported. At 4.4 with 1.23v right now. Adding an alpha cool 120.2 anyway for $40.

i hate when that happens, windows always updates when youre working on something..lol
i have it set to, "Check for updates but let me choose whether to download and install them"
that way i only get a popup, which doesnt interrupt anything else that way..lol smile.gif
Control Panel\All Control Panel Items\Windows Update\Change settings
Edited by VonDutch - 1/13/13 at 7:09am
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