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hugo929
Joined: 27 Oct 2006
Posts: 6163
Location: China
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Vlasta
Joined: 15 May 2012
Posts: 2565
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aberco
Joined: 05 Sep 2013
Posts: 2655
Location: Paris France
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 Posted: Wed Aug 06, 2014 11:47 pm Post subject: |
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I brought that stuff, I have yet to try it.
I'm worried that the black die underfill may be dissolved as well...
Will do some testing  |
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aberco
Joined: 05 Sep 2013
Posts: 2655
Location: Paris France
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| Posted: Thu Aug 07, 2014 9:50 pm Post subject: |
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I got Power today!
I thought I had a Power4+ in the lot, but unfortunately not...
The Power5 MCM can be separated from the heatspreader same as Power 4. Heating is longer as the copper mass is even heavier on them.
Still don't know how to remove the white stuff (which I tried on single chip version of the Power4). Heat does work to clean the surface of the die, but not so well on the side as it damages the underfill. It is made of some sort of ceramic cement, so not sure it can be dissolved at all. I have a broken MCM to play with and try solutions. |
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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aberco
Joined: 05 Sep 2013
Posts: 2655
Location: Paris France
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| Posted: Thu Aug 07, 2014 10:37 pm Post subject: |
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| No kidding, they are heavy enough on their own!!! I guess I can visit the local scraper with my chunks of copper now |
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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Vlasta
Joined: 15 May 2012
Posts: 2565
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| Posted: Thu Aug 07, 2014 11:32 pm Post subject: |
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I use the heat sinks as nice and unusual desk tidies....
They are worth hardly anything as scrap and are such unusual items - shame to waste them eh?
_________________
best rgds.
Steve |
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CPUShack
Joined: 16 Jun 2003
Posts: 34259
Location: State of Jefferson, USA
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