Removing 3dfx Voodoo 3 3000 Heatsink (glued, epoxy) - Easy!

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Removing 3dfx Voodoo 3 3000 Heatsink (glued, epoxy) - Easy!

Postby aaronkatrini » 2019-7-13 @ 07:28

I have a partially broken v3 and wanted to check if any broken capacitor were broken under the Heatsink, and with this easy trick I could get it off in less than 10 seconds. You just need dental floss and place it between the chip and heatsink.
https://youtu.be/W7oL3sfztUU

No glue / thermal compound was found under at the chip, it was all in the heatsink. Now I need to find a way to clean it without scratching.
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Re: Removing 3dfx Voodoo 3 3000 Heatsink (glued, epoxy) - Easy!

Postby aaronkatrini » 2019-7-13 @ 08:15

I removed successfully the "glue" from the heatsink itself. I just scratched it with my nail on one corner and then it off in one piece. I need to test the card again, there is a slight change that the thermal compound was acting maybe not like a heat transfer compound but like a heat blocking barrier. And if this was the case than maybe those artifacts are fixed. Doubt, but I'm hoping so.

Image
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edit: added photos
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Re: Removing 3dfx Voodoo 3 3000 Heatsink (glued, epoxy) - Easy!

Postby ph4nt0m » 2019-7-13 @ 09:53

Nah, you just need a heat gun and some common solvent to remove the glue residue. It's a matter of a few minutes and no risk of damage due to excessive force.
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Re: Removing 3dfx Voodoo 3 3000 Heatsink (glued, epoxy) - Easy!

Postby aaronkatrini » 2019-7-13 @ 11:59

buying a heatgun just to remove a heatsink seems eccessive, I managed to get it out in no more than 10 seconds and without damage (visible, since the card was already half broken). Plus dental floss costs like 1-2 dollars
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Re: Removing 3dfx Voodoo 3 3000 Heatsink (glued, epoxy) - Easy!

Postby ph4nt0m » 2019-7-13 @ 17:54

No heat gun, well, use a soldering iron or propane torch or whatever. It doesn't take much for this glue to melt down.
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Re: Removing 3dfx Voodoo 3 3000 Heatsink (glued, epoxy) - Easy!

Postby aaronkatrini » 2019-7-13 @ 18:09

I don't have any of the following: Proper Soldering Iron, Propane torch, Flame thrower, Gravity Gun ... ecc :P
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Re: Removing 3dfx Voodoo 3 3000 Heatsink (glued, epoxy) - Easy!

Postby Logistics » 2019-7-16 @ 05:33

Has anyone tried sanding the silicon down until they reach the core?
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Re: Removing 3dfx Voodoo 3 3000 Heatsink (glued, epoxy) - Easy!

Postby ph4nt0m » 2019-7-16 @ 17:36

Logistics wrote:Has anyone tried sanding the silicon down until they reach the core?

That's not silicon. EMC = epoxy mold compound. It contains some silicon dioxide or another kind of filler in order to improve thermal conductivity. You have to sand off about 75% of the epoxy by height in order to reach the core.
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