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    T7810 Boot Issue

    Well - try swapping the CPU's from one socket to the other and give it a spin. Also, a good place to check RAM part numbers is here: Dell Precision Tower 7810 Memory Upgrades @Memory.NET - I don't use them to purchase anything but they seem to have a very exhaustive database of System-DIMM...
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    Dell Precision 7920 & 7820: Unfathomable Miscreants

    Getting the whole gamut of Mystery & Chance events here... but, overall, ze Machine is doing well. Upped the RAM to 4x32 Samsung - the Lordship was pleased and gracefully made the DIMMs its own, the HPE sticker proving to be no obstacle. Next up, reactivated PERC 730P card, which the computing...
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    Dell Precision 7920 & 7820: Unfathomable Miscreants

    Well hallelujah! After another dozen or so assorted attempts and variations, it does now appear I have been graced by the Dell with a display. The Quadro M4000 gave no dice - upper slot (so on CPU2), lower slot 4.. but the K2200 in slot 2 (I think) - yes, that, somehow worked...which is weird...
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    Dell Precision 7920 & 7820: Unfathomable Miscreants

    Words fail me in dealing with these damn things. Here follows a choice selection of merely the most perplexing and baffling of issues... 1) You may never again see your screen light up after a RAM or CPU upgrade. 2) RAM errors can be CPU-dependent; simply leaving you screenless on one chip...
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    Dell Precision 7920 Ultra Build - A few U.2/SAS/SFF-XXXX cabling questions

    Cheers :) I am finding the current SSD/SAS/NVME environment to be a veritable mess... it's a pity things aren't more simple like they were during the SCSI or SAS/SATA days... Another issue I am having is with a HP 25-disk array connected using external SAS cabling... giving me a hard time with a...
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    Dell Precision 7920 Ultra Build - A few U.2/SAS/SFF-XXXX cabling questions

    I wish to purchase a Dell Precision 7920 and fill it to the brim with an assortment of expansions, in particular by adding the rear 4x disk caddies and 4-6 M.2 drives. I have the Dell original 4-slot M.2 adapter already, but need some assistance on the whole NVME/U.2 subsystem. My plan is to...
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    SAS, SATA, U.2, NVME, MiniSAS, HBA or RAID, OcuLink?? - Lost in Diversity

    Right. Duly noted, and thank you. I had no idea this actually means something. Indeed it is not. I should have used "LSI 9400-16i SATA/SAS HBA" as the example. By Trimode I am assuming you mean cards that support U.2 (or U.3) , SATA and SAS...? And you're saying that, ideally, even if they do...
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    SAS, SATA, U.2, NVME, MiniSAS, HBA or RAID, OcuLink?? - Lost in Diversity

    So, I think I need to ask you all for some help because being an old-timer from the 2010's and now looking to enhance my storage and disk systems... I am bedazzled by the enormous amount of various options currently available... in such a variety it makes SCSI standards look like a walk in the...