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- Shire motherboard PCH heatsink

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06-11-2022 05:29 PM - edited 06-12-2022 10:04 PM
On the Z390 Shire motherboard, there is no PCH heatsink, does that mean it doesn't require one? only curious as I don't want it to burn out the PCH
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06-13-2022 09:13 AM - edited 06-13-2022 09:26 AM
A heat sink is required according to design specs as described in chapter 6.
The PCH package have poor heat transfer capability into the board and have minimal thermal capability without thermal solutions. Intel requires that system designers plan for an attached heatsink when using the PCH.
It is possible the spec is outdated due to improvements in design. If the chip is exceeding hot to touch I would add a heat sink.
If the chip is perfectly flat then a heat sink with adhesive film can be used. I suspect it will not be flat and you should use conductive adhesive epoxy to hold the heat sink in place: "Thermal Glue"
If you use thermal glue be sure to remove FIRST the protective film (if any) from the bottom of the heat sink. I discovered this the hard way.
Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it
06-13-2022 09:13 AM - edited 06-13-2022 09:26 AM
A heat sink is required according to design specs as described in chapter 6.
The PCH package have poor heat transfer capability into the board and have minimal thermal capability without thermal solutions. Intel requires that system designers plan for an attached heatsink when using the PCH.
It is possible the spec is outdated due to improvements in design. If the chip is exceeding hot to touch I would add a heat sink.
If the chip is perfectly flat then a heat sink with adhesive film can be used. I suspect it will not be flat and you should use conductive adhesive epoxy to hold the heat sink in place: "Thermal Glue"
If you use thermal glue be sure to remove FIRST the protective film (if any) from the bottom of the heat sink. I discovered this the hard way.
Thank you for using HP products and posting to the community.
I am a community volunteer and do not work for HP. If you find
this post useful click the Yes button. If I helped solve your
problem please mark this as a solution so others can find it