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Hi, Sorry for the delay in replying... the port speed to SDR idea sounds good, I will try that when I have the system set up for testing again, hopefully soon

Ok, thanks, this sounds promising! I've tried a couple of things so far, no luck yet but this gives many more options to try :) First I tried adding those IB related lines above (spec_1_3_fdr10 etc.. ) to the .ini extracted from the Dell Mezzanine image, and then modifying the Mezzanine image...

Yeah, true I was kind of expecting some issues based on those and some similar threads. I'm fairly sure that as they function fully as MCX314A with Mellanox standard firmware (as far as I have been able to see), the problem should be more or less equivalent to trying to get a normal...

I recently got a bunch of MCX314A-like cards (actually MCX384A-BCAA Dell C6220 Mezzanines but they're basically identical on the inside to MCX314A, take the Mellanox firmware and function absolutely fine on it with 40GbE, all devices come up, network tests work fine, show correct speed etc.)...

BLS4G4D240FSB · Crucial Ballistix · 1x4GB · 4GB · DDR4 2400 · PC4-19200 · RAM | eBay Unbuffered non ECC desktop sticks, but useful for those who run consumer boards as servers. Seller has them listed at 9.95, accepted offer of 8 euros per stick for 9. Base shipping in Europe is 15e but not...

At least the 7m and 5m cables were complete, transceivers and all. Just plug and play and I got 40GbE and FDR infiniband working immediately (didn't have 100Gb cards to test with, but from others that works, too)

Yes, it's a v3 E5-1603 Xeon, I changed it above. The failures I have been reading have been mostly X99, and generally Asus specific (I'm sure there have been issues on X79 boards as well, but for X99 there seems to be a lot more anecdotes online). It's very hard to get a clear picture of what...

I have had an X99 Asrock Extreme4 + i7 5820k as a desktop machine for a couple of years, and it has worked fine. Warranty ran out the motherboard, so I managed to find a reasonably cheap Asus X99-Pro / USB 3.1 with a Xeon E5-1603 v3 as a backup board. My plan was to use the E5-1603 v3 board as...

I can report that the cables work fine for 40Gb ethernet using MCX354 in ethernet mode card-to-card. I just set the card IP and connection worked without any issues. Iperf shows close to 40Gbit speeds with 2 iperf processes. Unfortunately I don't have a 40GbE switch to test card-to-switch.

Came across these Mellanox 100Gbps EDR infiniband cables on eBay: Mellanox 834972-B22 100Gbs Optical cable 5m | eBay Mellanox 834972-B27 100Gbs Optical cable 20m | eBay Seller seems to have most cable lengths from 5 up to 20m.. The cables are HP branded (834972-B23) but according to this...

These look very interesting. I looked in to that PCIe goldfinger slot but couldn't find much info. Apparently it is for a "AIC MaxIO" riser, but chances are it might work just with a female-female PCIe riser/adapter. Unfortunately the only female-female riser I could find was this: Gen3.0 pcie...

Hi, I'm looking for CX4 DDR Infiniband cables (connectors with latch type for use with Infiniband cards, not the screw type used for SAS), preferably active optical ones but passive is fine too. I'm in Finland so shipping within EU might be somewhat high, I'm therefore looking to buy in lot...

It's very likely possible to run with a standard ATX, at a long shot possibly with the 6 pin GPU connectors, or with some simple adapter cable (with a suitable connector and some crimping). A larger problem is the IPMI which has to be powered at some spot on the board (it's 5V, so once the pin...

Found these on eBay: Intel S2600JF Server Node Dual LGA2011 Server Board G28033-509. Best Prices. | eBay If these could be made to run outside a chassis like for the Dell C6100 or C6220/C8220, this could be a really cheap way to get an E5 v2 system.

I am looking to purchase this for a Dell C6100: DELL POWEREDGE C6145 6GB/S SAS DAUGHTER BOARD MEZZANINE CONTROLLER CARD XX2X2 | eBay The listing is for the dell C6145, but the Dell code for the item (XX2X2) is the same as the card for the C6100 and they look identical. Is this actually the...

Found this on eBay: DELL W6W6G Server System Board Dual LGA 2011 Motherboard For PowerEdge C8220 | eBay Am I correct in guessing that one could run this without the main enclosure just like for the DELL C6100 boards, using an ATX power supply for example? In that case this seems like it would...