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victornpb/Fixing MacMini 2012 Platform Controller Heatsink gap.md

Created July 28, 2022 16:17
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Fixing MacMini 2012 Platform Controller Heatsink gap
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Fixing MacMini 2012 Platform Controller Heatsink gap.md

Fixing MacMini 2012 Platform Controller Heatsink gap

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Intel HM77 (SLJ8C) platform controller hub

I measured the gap to be just a little bit higher than 0.15mm (I couldn’t fit the 0.2 filler gauge). So I tried to shim it with something, aluminum foil is definitely not enough you would need more than 10 layers. So the closest thing I had was a Coke can, I cut a square piece and remove the paint and inner coating with steel wool, trim it to 14x14mm.

it turned out to be 0.1mm, (don’t use 2 layers it will be too thick). add thermal paste to both sides. So the thermal paste only has to fill a gap about 0.025 on each side instead of a massive 0.2 gap.

The platform chip is sitting around 10°C colder than the CPU.

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