Too high heatsink

[kaolpr]

We've assembled Metlino with N.A.T. MCH and tried to put it in the crate ...

It looks like the heatsink is too high.

In case of the full-size create it is rather inconvenience that is limiting in some ways, but does not exclude use of Metlino. We can just leave second PSU slot unoccupied.

Unfortunately, in case of R5 crate there is only one PSU slot and MCH slot is next to it so Metlino is mutually exclusive with PSU. Bad.

We can try to use a different heatsink that would have a lower profile, f.e. ATS-60004-C1-R0 or ATS-60002-C1-R0.

Then we need to be extra cautious with temperature and verify if in an expected use-case we're able to maintain acceptable FPGA temperature.

[gkasprow]

This heatsink needs machining. I can do that at the WUT.

[kaolpr]

But what exactly do you mean by machining?
Machining fins won't help as mounting mechanism will still collide.

[gkasprow]

We can replace it with screws. Pozdrawiam, G.Kasprowicz

…

________________________________ From: Mikołaj Sowiński <[email protected]> Sent: Wednesday, January 22, 2020 10:53:36 AM To: sinara-hw/Metlino <[email protected]> Cc: Greg Kasprowicz <[email protected]>; Comment <[email protected]> Subject: Re: [sinara-hw/Metlino] Too high heatsink (#65) But what exactly do you mean by machining? Machining fins won't help as mounting mechanism will still collide. — You are receiving this because you commented. Reply to this email directly, view it on GitHub<#65?email_source=notifications&email_token=ABA75PXRHQQB4TLQXPQV5ULQ7AJSBA5CNFSM4KJRDTKKYY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOEJS5Y5A#issuecomment-577100916>, or unsubscribe<https://github.com/notifications/unsubscribe-auth/ABA75PXH2GCAMY6H6GHVM53Q7AJSBANCNFSM4KJRDTKA>.

[kaolpr]

We can try that, I'll bring one heatsink to WUT tomorrow.