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I am running OpenSuse on my .x3950 X6 with an nVidia gpu. It does not physically fit in the case, so I have a notch cut out and a 150mm pcie extension ribbon and a external bracket bolted to the side via threaded rivets. The gpu card needs additional power which I am getting from one of the io...

For the rank, going from single to double is 5.26% uptick. I wonder why the node front display watts is so different than the wall meter, I can understand the temp would be off due to just being a sensor on the compute book rather than core readings. I guess I'll have to measure mine with the...

Looks good. If you read the memory documents posted earlier in this thread, they will describe there is an optimal minimal config for memory of 64 DIMM. You might be leaving more than 30% performance lost from using 32 single rank. You are using V4, but this document still applies...

Congratulations! What's that phrase? "benchmarks or it didn't happen", something like that :D Now I'm worried I will need to upgrade my io boards, maybe my v4 upgrade path got lost in the convo when I had it put together. But I won't have to do that until E7-8894 V4 prices go down, if ever...

I purchased one of the full length io books. The video card height is too much though for it, any card which is taller than the top of the bracket would not fit without taking a cutter to the case to make room, which I intend to do.

I guess you bought up the remaining 8895's off ebay ;) One quick thing though, you said you have the v4 books by part number, but are they the books where the first dimm socket is white and the second and third dimm sockets are black? Also, are you putting DDR4 in there? Or are you using DDR3...

While I cannot state for certain that 00FN847 can run V4, I can for 100% certain say that it will run V3. I have 8 ddr4 compute books, all 00D0402. Three books had issues. One book had a voltage fault and so I could only run 6 books in the machine. Another book one had an SMI Link error...

The link you posted does not say anything regarding the part (or any part) not supporting v4. I believe that link is saying that the part numbers do not support certain firmware versions older than, not newer than. My part Both Top & Bottom IO Book: 00FN847 I am running Xeon V3. The link you...

Interesting, that makes sense. I got the idea from this post which they explored using an 46xx processor, looks like E5 now that I reread it. https://forums.servethehome.com/index.php?threads/xeon-e5-4650-on-x9dri-ln4f-dual-socket-mainboard.25148/ I have a Proliant G8 which has V1 in it, if I...

My FRU PNs: Both Top & Bottom Storage Books: 00D0055 Midplane: 00D0056 8x Compute Books: 00D0402 Both Top & Bottom IO Book: 00FN847 4x Half Length IO Books: 00D0053 I see what you are saying there with the"Upgrades to E7 v4 processors are only supported with machine type 6241. If you want to...

My x3950 is running the DDR4 books as a 3837 AC1 with the (latest?) firmware. I'll have to check to see what actual version it is, I'm not familiar with the machine in general yet, but I've been advised that the firmware makes it effectively a 6241 machine as that mostly designates the...

I've inspected the pins with camera and cannot detect anything out of shape or any debris. I've also swapped out known RAM and CPU from good book into SMI Link error book and the results are same. Good book works fully, and bad book retains SMI Link errors in same Dimms (which are paired front...

From my reading of the docs on the DDR3 books, they won't run the DDR3 ram at 1600Mhz in performance mode, fastest the ram runs is 1333MHz. https://lenovopress.lenovo.com/tips1132-system-x3950-x6-3837#memory-options

Interesting thread. I've got a partially built x3950 which is having some issues. Currently running 6 E7-8895 v3 with 5 cpus having 8 16GB 2xR4 DDR4 2133 sticks running at 1600Mhz in independent mode. One cpu is throwing some SMI Link errors and only seeing 6 sticks. None the less I...