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De-cap your K6-2/3/+!

New MessageDe-cap your K6-2/3/+! (modified 0 times) Kudzu
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I've seen the post here about a stable 600Mhz overclock, but no one ever discussed de-capping the K6-2/3/+ for greater overclocking, stability & heatsink contact.

Here are two articles on the subject.

http://www.computergamer.freeuk.com/ock62p1.htm

http://www.comppwizz.com/custom_cap.htm

01-09-2002 16:58:23

New MessageRE:De-cap your K6-2/3/+! (modified 0 times) mp3boombox
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hehee if you do a search you'll find that I said a lot about that subject a long time ago ;)
01-24-2002 21:42:36

New MessageRE:De-cap your K6-2/3/+! (modified 2 times) Kudzu
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If you posted it, surely you can provide a link as well. ;)

Did you ever do the mod yourself?

I'd like to see a few specs on the processor, temperature drop, o/c and original speed just to compare what's possible with the iopener. =)

So far I've run a decapped K6-3/333 at a stable 400 with a bump to 2.3v and the pt6702 voltage mod, but I've yet to decap my 450+.

It will be nice to see 600 out of that one.

01-25-2002 02:32:46

New MessageRE:De-cap your K6-2/3/+! (modified 0 times) Kudzu
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http://www.linux-hacker.net/cgi-bin/UltraBoard/UltraBoard.pl?Action=ShowPost&Board=technical&Post=2171

Now with much better proper cooling and posable removing the HOT cap from the processor. and using direct core cooling so it would look like a tbird i thindk?? or fcpga processor.

That is what I found on the process, by searching on your name.

If you'd like to point to a specific thread where you expand on it, please, do so. =)

01-25-2002 02:50:54

New MessageRE:De-cap your K6-2/3/+! (modified 0 times) ckbone
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Don't have any links, but what I've read about this subject leads me to avoid the procedure. The core on the AMD chips apparently cracks very easily with the cap removed. A slightly too tight heat sink, making for a difficult/forcing install, is all it takes to chip or crack the thing. And any attempt to use the OEM heatsink on the I-Opener, and make it correctly contact the chip, would probably never work right. To me a better solution would be to shave the cap, rather than remove it. It's easy and safe....and also helps with the cooling.

On other machines I have running, the K63-333 runs stable and cool at 400mhz(2.4v). The K62+450 runs cool at 550mhz (2.1v). Both of these chips use an average sized heatsink with a small fan, both have the cap shaved and polished.

01-25-2002 04:40:42

New MessageRE:De-cap your K6-2/3/+! (modified 0 times) Ragnar1
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I have to agree with ckbone here. I lapped several of my processors and on all of them the temperature difference was ~4 to ~5 degrees F cooler. On a border line processor this will make a difference of about 50 megaherts more speed.
Ragnar
01-25-2002 07:19:48

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