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post #20791 of 22515
So many harsh lessons to learn.

After doing a lot of IO voltage testing yesterday, a previously stable profile was throwing BSODs. Thought I'd degraded the chip.

Reset CMOS, reloaded the profile, all is right in the world. Come to find out some MSI motherboards, mine included, will start crashing even on stable settings after too many crashes. Terrible, terrible bug.

Found what I believe are within a couple mv of ideal IO volts though.
post #20792 of 22515
Quote:
Originally Posted by JackCY View Post

You can just 3D print a tool if you want, there are several designs on the 3D printing modeling sites. I don't know why people used razors to cut the CPU open, that was one of the stupidest delid ideas. Of course these milled and water cut aluminum or plexi delid tools aren't going to be cheap XD
Money well spent, imo.

Back in the day, I delidded two Nvidia 480 gpus with a razor blade.
They came out fine, and temps. were great, using a modded Accelero cooler on the bare dies.

But it was a nightmare doing it, lol.biggrin.gif
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post #20793 of 22515
Just deliddied 4790k with razor blade. It was an easy job.
post #20794 of 22515
Quote:
Originally Posted by evmedievalol View Post

Just deliddied 4790k with razor blade. It was an easy job.
Yeah, but did you use a rusty razor blade?
Lol.tongue.gif

Just kidding, I'm happy for you.thumb.gif
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post #20795 of 22515
Quote:
Originally Posted by DerComissar View Post

Yeah, but did you use a rusty razor blade?
Lol.tongue.gif

Just kidding, I'm happy for you.thumb.gif

Lol fresh blade.

Not sure why theres so many people messed this up unless you go oopsie and cut the thing (cant remember the name) inside IHS. Haha
I think its worth trying!
post #20796 of 22515
Some people have scraped the silicon on the chip itself with the razor which is surprisingly easy to do. The vise only method really seems to be the safest (aside from the tool) especially when you rotate applying light pressure to each side until it basically falls off.

https://www.youtube.com/watch?v=Fo1KzqCQurk
Edited by dmfree88 - 6/15/16 at 9:05pm
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post #20797 of 22515
Quote:
Originally Posted by JackCY View Post

You can just 3D print a tool if you want, there are several designs on the 3D printing modeling sites. I don't know why people used razors to cut the CPU open, that was one of the stupidest delid ideas. Of course these milled and water cut aluminum or plexi delid tools aren't going to be cheap XD

Still need a vice if youre going to buy a 3d printed tool doesnt just do it on its own, if you have a vice in the first place no need for the 3d tool unless you have a skylake, and even then some people have said its pretty sketchy, some even broke.

For the silicone, get an old credit card, cut it in half and use the super sharp edges to clean the silicone out of the IHS, it works AMAZINGLY for the corners of the ihs and the fact that its freshly cut and sharp gets rid of the silicone so well.
    
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post #20798 of 22515
Well, finally figured out why my CPU didn't seem to follow the same patterns everyone else's does. It's a complete f'ing hack job by Intel.

Stock core vid is 1.135. Stock vRing is 1.22. I always thought I'd just pulled a crappy core that was held back by a crappier cache. Nope. They jacked up the cache voltage as a crutch for a core that's even worse than I thought.

I followed a similar OC to a website with a poor overclocker. VCCIN 1.95, cpu adaptive 1.325 + .025 offset, vring 1.25v. Boom. 4.6 core 4.3 cache 2800mhz ram rock stable and most of the way through loop 5 of x264. This had been giving me fits previously. x264 would hard freeze or immediately reboot at 1.32v vRing or less at 43x cache. Matching my RAM overclock to my 4.6ghz core OC was a tightrope act I didn't think possible due to memory errors thrown from the excessive cache voltage needed to stabilize the core.

Just to verify, it looks like keeping vRing at a more sane/common voltage in line with other 4690ks means I need another .015 to .02v per bin on my core. Which would put my stock core VID at or over 1.15v. Which would have made it a reject.

Would I have half a shot at an RMA if I argued my case to Intel?
post #20799 of 22515
What do you want to argue? Does it run at stock? Then nothing to argue.
Dunno why Intel would replace a perfectly good CPU that is within specs otherwise it would not leave the factory.

Always OC core first, then the rest, you're trying to do it all at once and then surprised that this that isn't stable and hard to track down why. Do one thing at a time, not all at once.
post #20800 of 22515
i7 4770k running on water not delidded.

asrock z97 pro 4

I got this wierd problem that voltages jumps over the max value i have set in bios. core number 4 always stays 1.290v (value i set on bios) but 3 other cores keeps going to 1.38v.

in bios if i set all c states and eist off doesn't change neither does using fixed voltages

had an i5 4690k running with the same mobo today and no problems whatsoever

any ideas what could cause this?

pic on link.

https://www.dropbox.com/s/cfx72zyagegbg4f/voltage_varriety.JPG?dl=0
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