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No time like the present? :)

No worries. It might be a useful thing to try various PSID's for whoever looks into this problem in future. :)

That tarball has been added to the Wayback machine, just in case it's useful for posterity or something happens to the nightlies server: http://web.archive.org/web/20240628174835/https://nightlies.sqlitebrowser.org/other/mellanox_card_3d_models/All_these_3d_models.tar.bz2

k, I've uploaded all the ones I had archived: Index of /other/mellanox_card_3d_models/ Created a tarball with them all in it too, so they're easier to grab: https://nightlies.sqlitebrowser.org/other/mellanox_card_3d_models/All_these_3d_models.tar.bz2

Oh wow. I just had an idea of a different old archive they might be in... and I found a whole bunch of them. I'll throw them online somewhere in a few minutes.

Yeah, good point. :)

I wish. MellanoxNvidia doesn't seem to be making the 3d models available any more, which is extremely unfortunate. :(

(semi-sorry for necro posting, but it's a multi-year thread anyway and on a unique subject...) Do you remember if you kept the existing PSID when flashing, or if you tried giving it a generic Mellanox one? Some other OEM cards (eg Dell, HP) seem to gate their features by PSID, so using the...

Sorry, my bad. Sometimes people have bundles available of 2 x [some card] + 1 x [correct cable to join them]. Makes it easy for new people who just want a solution that works easily. Thought it was one of those.

As an additional thought, if you're just after a straight connection between two boxes (eg server to a workstation), then something like this would be fairly simple: Mellanox MCX311A-XCAT CX311A ConnectX-3 EN 10G Ethernet 10GbE SFP+ PCI-E NIC | eBay Note, I don't know that seller at all, etc...

With those, notice that specific Ebay item comes with the short (half height) bracket. If you're thinking to put it in a standard ATX mini tower case or similar, although the card will fit, the bracket wont. ;)

Yeah, it's one of those things that, if you're coming from a 1GbE background and haven't really used 10/40/etc Gb/s network gear before, you're definitely best off starting small and getting the hang of things. Infiniband is a substantially different stack compared to Ethernet / TCP/IP. Not...

This looks like the right place for OCP Mezzanine spec info: Server/Mezz - OpenCompute The current version of the spec (2.0) PDF: ownCloud

Looking at the adapter photo's by @matthew5025: https://forums.servethehome.com/index.php?attachments/image-sfp-jpg.12177/ https://forums.servethehome.com/index.php?attachments/image-sfp-4-jpg.12180/ ...some things stand out about the PCB design: It has places allocated for resisters, but...

Interesting. But they'd be willing to sell the adapter (x4, or x8?) with a minimum qty of 50? If so, what price (in total) for the 50? If the adapters seem legit + price is reasonable, we might be able to split costs or something. :)

@matthew5025 Would you be ok to post some further pics of the mezzanine card itself? In the photo's above there don't seem to be any markings of Mellanox nor board identifiers (part/model #, etc). I've never used a Mellanox mezzanine board before, so no idea if that's normal for them. With...

Thought I did, but looking just now I can't see them anywhere. :( My best guess is they're on one of my old systems in storage overseas. So, not available at the moment. If you're any good with 3D modelling, you could adapt the Mellanox 3D models (above). It'll take some time, but will work...

From a different direction, this a util that flashes the EEPROM on SFP+ modules: sonicepk/sfppi Never got around to doing anything with it, but it might prove useful here. :) Oh, a similar effort for unlocking Intel cards, but on FreeBSD: bu7cher/ixl_unlock

Yeah, that's one of the weird thing with Mellanox cards recently, at least on CentOS. I have several systems here with Mellanox ConnectX cards, series 1, 2, and 3. Some cards will work fine in some boxes, yet in other boxes (same kernel version) the exact same cards will just not switch into...

As a thought, this kind of sounds like a problem I've seen over the last few months with some other Mellanox cards (ConnectX-1 and ConnectX-2 series) with CentOS. After a certain kernel version, some cards would only be seen in Infiniband (IB) mode, and the setting to have them come up as...