Hi Carl,
On Thursday 20 July 2006 04:28, Carl Houseman Inscribed Thus:
> I'm sorry but you're off in your assumptions in many ways... I have
> both of these coolers to look at up close (still mounted to
> motherboards so I'm not disassembling).
Don't blame you ! I don't remove the heatsink unless I have to ! If I
do then I usually replace the whole assembly. At least then you know
that you are going to get a good thermal contact via new phase change
material.
I am not overly impressed with the postage stamp size wafers that you
can buy. They seem to dry up over a fairly short time, then you can't
remove the backing film without the stuff cracking off !
> Talking about the socket 478 cooler...
>
> You are right that it is a single molding and the fan frame molding
> clips to the heatsink. But the existing fan is about 75mm. The fan
> shroud depth is 8 mm on the edges (depth is 25mm in the center).
>
> The heatsink clamps snap onto and push against the edge of the fan
> frame to secure the cooler. If you discard the fan you've discarded
> what the clamps need to secure the heatsink.
This sounds a little different to the ones I have seen ! Incidentally
AVC make some of the Intel heatsink fan assembles !
> So, without extensive re-engineering (involving a hacksaw), a
> non-exact replacement is out of the question to keep using this
> cooler.
I have not had to resort to using a hacksaw at any time on any of the
assemblies that I have come into contact with !
If that is the case then simply replace the whole thing with a standard
heatsink fan assembly !
> And you can't give me a URL where I can order a replacement
> fan with the correct frame.
Thats one of the problems with proprietary equipment ! Much better to
go "Open Source" ;-) Less costly all round !
> Likewise, I'm 99.99% sure you can't give me a URL for a replacement
> fan which will mount directly on the round socket 775 cooler.
Probably not !
> It uses a 90mm (not 92) fan with a round frame. Any square-frame fan
> of similar diameter wouldn't have any place to screw down, and a
> smaller diameter fan wouldn't provide proper airflow.
>
> Carl
Cooler and others do make round fans with and without lug fastenings.
Unless you are ordering in tens or twenties its not worth the hassle of
paying carriage or stocking them !
In any case Its a matter of expedience and profit ! Make $5 changing a
fan or $3 changing an assembly, that takes longer !!
--
Best Regards:
Derrick.
Pontefract Linux Users Group.
plug at play-net.co.uk
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