VOGONS

Which slot 1 retention bracket for large PIII heatsink?

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First post, by Fish3r

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Hi all, I have some slot 1 Pentium 3 CPUs with these heatsinks on them:

The attachment images.jpg is no longer available

Does anyone know which retention bracket is supposed to be used with these? The different brackets on a few slot 1 boards I have don't fit this kind of heatsink at all, the arms just bend outwards and look close to snapping off. I've seen posts mentioning these and that they're from some OEM systems but no-one ever seems to mention anything beyond that, unless I missed it.

Last edited by Fish3r on 2026-08-02, 19:40. Edited 1 time in total.

Reply 1 of 2, by weedeewee

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dp/n makes me think it is a dell part though the number doesn't look like a dell number

The wings one the sides of the heatsink make me think they fit and get retained in your typical slot 1 cpu retention bracket that should be fitted on your mainboard around the slot 1 connector.

Like can be seen in this photo https://i.ebayimg.com/images/g/KLAAAOSwiQpkQ-qK/s-l1600.jpg
or this one https://i.ebayimg.com/images/g/JyQAAOSwa2piLh38/s-l1600.jpg

scrap that, my memory just reminded me of the correct heatsink for those retainers.

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Reply 2 of 2, by Fish3r

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Looks like Dell is actually where these are from, thanks

The attachment dell-optiplex-gx1-nx1-front-62332f5a268ca800184640.jpg is no longer available
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