Honda, how could your CPU package be hotter than any cores?
The package temp shows 2c higher than my hottest IB core, and at least the same as the hottest core on my 3930k, so it wouldn't seem to be that unusual.
Honda, how could your CPU package be hotter than any cores?
Yup, I did't get it. Sorry about that. But what do you think of the idea anyway of using copper ontop of the die between the heat spreader? Maybe copper would be a good replacement for solder?
@HondaCop,
^ Honda police NSX.
@IDC, I understand your want of a shim to recreate stock conditions, but my ideal shim would be exactly the size of the gap between the IHS and the PCB, so that it does not lift the IHS off the die, but also prevents the IHS from rocking when you mount a cooler so as not to crush the core.
@IDC, you'd say then that a waterblock that bolts onto the board without springs is not likely to tilt the IHS even if the mounting pressure is extremely high? I'm concerned that if the mounting pressure is high enough to bend a motherboard if the bolts are half a turn too tight, the socket's bracket might not be sufficient protection. Metal flexes but for practical purposes it does not compress, which makes me feel much more comfortable with a shim.
If you have a gap between IHS and PCB that means the pressure from the locking mechanism and then from the HSF are being applied directly to the cores - not a state I'd want to have in my rig.
I've been running my 3770K with the IHS resting on the die for almost a week now and I can safely say it's a non-issue. Performs perfectly.
- Grammar *censored*, this was sent from my phone.
Those are some very impressive numbers HC. I think this pretty much puts the wrapper on how much heat density vs. how much Intel's special sauce affects the elevated temps on Intel's new 22nm process.
Good stuff.
Thanks man and I'm still shocked! Just for shits and giggles, I pumped 1.52v to it and was able to boot up to Windows at 5.2Ghz and temps under full loads were mid 70s steady on Prime95. I know that it would probably not be stable and vcore will probably need a few more juice but I think it's doable.
With this being said, guys, what is the most volts you can safely pump into the 3770K for a 24/7 use while being watercooled? If I can have temps not reach 80s under full load at 5.2Ghz, is that considered safe?
- Grammar *censored*, this was sent from my phone.
"Most volts you can safely pump into the 3770K . . . " This is part of an ongoing discussion that -- if ever ended -- was resurrected as Intel stopped being more specific in its spec summaries. "More or less," "Here and there," the upper limit had variously been 1.37V through Nehalem; 1.35V on Sandy Bridge; and (maybe, tentatively) 1.30V on the Ivy.
But these are just arbitrary thresholds in a a speculational statistical distribution which is "mathematically continuous" as opposed to discrete. What does it mean if you exceed such "thresholds" by 5%? By 10%? What does it mean if your peak (but momentary) VCORE ascends to 1.38V before the processor gets fully loaded and droops to 1.32?
Like everything else, "you take your chances," and chatter about probability distributions, odds of electro-migration over different time spans, and everything else is "all about chances."
Somebody remarked to me (here) the other day that INtel had updated its specs on the old Q6600 processor -- as much as two or three years after its release and as data became available. And I THOUGHT they told me Intel had revised a "maximum safe" limit on VCORE -- UPWARD.
ADDENDUM: Just to add more detail to the landscape of "intel" about Intel -- a UK overclocking site seems affiliated with some outfit that sells over-clocked rigs. They insinuate that "they" have been in contact with Intel engineers, trying to get a grasp of the same answer to the same question. And I saw a remark which I'd guess is very reasonable: Intel promulgates spec information or "advice" to assure near-100% certainty of "NO RMAs."
So . . . there's what you "know," what you "believe," what you "suspect," what you can "prove" or what you can "guess." You can prove a lot of things in Time, if you wait long enough . . .
Thanks for the response... So long story short, it's anyone's guess? lol
To be clear, this is the area you're talking about shimming, correct?
And the shim thickness should be somewhere in the neighborhood of 0.2 mm?
Can you go over where the 0.06mm and the 0.140mm numbers came from? I thought the adhesive was 0.060mm so I figured all you want is a 0.060mm shim. Where does the 0.140mm come from?
IDC, I also found some 0.2mm shim stock here:
http://www.onlinemetals.com/merchant.cfm?pid=16061&step=4&showunits=inches&id=1189&top_cat=1175
That may get you closer. The trouble with shim stock this thickness is cutting it IMO. If you use metal shears you are likely to get burrs that will throw off the overall thickness but it will be difficult to cut with scissors. Sharp kitchen or linen shears might be best.
I'm tempted to see if I could waterjet or lasercut a spacer out of shim stock that would cover the whole delidded area, with a cutout for the die
Also, if you're not in the habit of ordering industrial supplies all the time, http://www.mcmaster.com/ has all kinds of supplies including shim stock and specializes in same-day order processing and overnight delivery.
EDIT: Sorry if I'm a little behind and the shimming is a non-issue now, I haven't had time to read the whole thread yet but rest assured I will!
I just wanted to point out that the original IHS adhesive did not form an airtight seal (notice the small gap at the bottom). This may be something to consider when resealing the IHS.
To be clear, this is the area you're talking about shimming, correct?
And the shim thickness should be somewhere in the neighborhood of 0.2 mm?
Can you go over where the 0.06mm and the 0.140mm numbers came from? I thought the adhesive was 0.060mm so I figured all you want is a 0.060mm shim. Where does the 0.140mm come from?
I don't know what I like better -- a metal shim, or simply replacing the adhesive that has similar "elastic" properties to the original. Of course, many here would not want to leave the processor in a state where later access to the die would require the same initial tedium with a razor-blade.
That is correct.
As for the where the numbers come from, see this post and this post.
The metal shim gives you control over the gap height between the IHS and the CPU.
Anything that is compressible, be it adhesive or foam, gives you no control over the final gap height - meaning it could still be zero and the IHS resting on the CPU die for all you know when the final compression of the HSF is brought to bear.
So its a matter of thinking about why you care to do whatever it is you are doing. If you are shimming because you care to ensure the IHS is not resting on the CPU silicon then you don't want to use something that is compressible if you have the option of using something that is not.
If you are re-adhering the IHS to the PCB simply because you don't want the IHS to fall back off the PCB with later handling of the CPU then that is a different story, rubber cement FTW.