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post #34591 of 34708 (permalink) Old 05-17-2019, 06:14 PM
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Hey guys I wondering, someone has lapping the die on 9th gen to remove the solder?
How much height reduce it? Do you use the stock IHS or 3th?
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post #34592 of 34708 (permalink) Old 05-20-2019, 06:23 AM
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Quote: Originally Posted by El Media Vida View Post
Hey guys I wondering, someone has lapping the die on 9th gen to remove the solder?

How much height reduce it? Do you use the stock IHS or 3th?


Rockitcool makes a 9th gen IHS. It’s only about $15


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post #34593 of 34708 (permalink) Old 05-20-2019, 09:02 PM
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Quote: Originally Posted by Pinnacle Fit View Post
Rockitcool makes a 9th gen IHS. It’s only about $15


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Removing the solder isn't the same as lapping the die.
Removing the solder doesn't exactly reduce the IHS height. To reduce the height you have to remove the Intel silicone adhesive and then relid (which is only a mm or so).
So you have to remove the original black adhesive (and preferably sand the edges of the IHS also)

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post #34594 of 34708 (permalink) Old 05-20-2019, 09:14 PM
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Had the itch to de-lid something since I didn't have anymore Intel chips to de-lid I took a razor to my Athlon 64 x2 3800+ that kept running at 112c no matter what heatsink I used. 70c drop after de-lidding and using Noctua paste between the die and IHS.
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post #34595 of 34708 (permalink) Old 05-21-2019, 07:03 AM
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Quote: Originally Posted by WannaBeOCer View Post
Had the itch to de-lid something since I didn't have anymore Intel chips to de-lid I took a razor to my Athlon 64 x2 3800+ that kept running at 112c no matter what heatsink I used. 70c drop after de-lidding and using Noctua paste between the die and IHS.


Yea but you’re not ‘supposed’ to use a non conductive paste between die and ihs.


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post #34596 of 34708 (permalink) Old 05-21-2019, 07:05 AM
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[Official] Delidded Club / Guide

Quote: Originally Posted by Falkentyne View Post
Removing the solder isn't the same as lapping the die.

Removing the solder doesn't exactly reduce the IHS height. To reduce the height you have to remove the Intel silicone adhesive and then relid (which is only a mm or so).

So you have to remove the original black adhesive (and preferably sand the edges of the IHS also)


Right. That’s true, and I misunderstood his point. My point was that instead of lapping, you’re better off just buying a new IHS when someone else has already done it and is charging a nominal fee.

Frankly I think you lose a lot of the performance gains by relidding in the first place but that’s just my opinion.


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post #34597 of 34708 (permalink) Old 05-21-2019, 10:21 AM
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Quote: Originally Posted by Pinnacle Fit View Post
Yea but you’re not ‘supposed’ to use a non conductive paste between die and ihs.


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NT-H1 isn't conductive: https://noctua.at/en/nt-h1-3-5g

Also there isn't anything wrong with using conductive heat transfer. I use liquid metal which is conductive, I placed clear nail polish on the surface around the die of my 3770k and 6700k. Don't use abrasive paste like IC Diamond that would scratch up the die.

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post #34598 of 34708 (permalink) Old 05-21-2019, 12:41 PM
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Quote: Originally Posted by Pinnacle Fit View Post
Yea but you’re not ‘supposed’ to use a non conductive paste between die and ihs.


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Since when? Every delidder pretty much uses CLU or CLP or TG LM between their die and IHS. I used CLU on my non K i7-4970 after prepping the PCB with clear nail polish. No pushout is the benefit of using liquid metal. Whereas a non conductive will pushout over time.

Using LM dropped my Core 0 temp by nearly 20c. I doubt any of the non conductive TIMs on the market would have done that.... in retrospect I think that the temp was between 15-20c lower.

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post #34599 of 34708 (permalink) Old 05-21-2019, 08:36 PM
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Quote: Originally Posted by WannaBeOCer View Post
Don't use abrasive paste like IC Diamond that would scratch up the die.
Scratch up the die? Well I gotta do that after de-lidding soldered processors. Aaanndd, I've always used nano-diamond pastes such as Antec Formula 7/6. Granted I do not re-use the IHS plate (most of the time) but I don't think diamond dust is going to hurt anything, at least I've yet to see an issue personally.

The "FX-5000" in my avatar was lapped down pretty good.. I took a lot of silicon off the top. Used Diamond nano pastes on that one too.
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post #34600 of 34708 (permalink) Old 05-22-2019, 07:09 AM
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I just delidded my 9900k yesterday. Direct die from rockit cool. It doesn’t go over 60 sustained at 1.35V




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