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    Lots of trouble with Z11PA-U12-10G-2S + 4210R

    Yes, didn’t mention it but after booting I ran dmidecode first to verify channel interleaving and it seemed correct. I then booted into memtest86 that is available in unraid boot menu. Couple passes so far so it looks promising. Thanks
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    Lots of trouble with Z11PA-U12-10G-2S + 4210R

    Thanks chief for quick reply! I had 2 MB standoffs in the exact orange locations as in your diagram. Both were making contact with dimm pins on underside of MB. Top was making contact with the C1 dimm slot and the bottom was making contact with the D1 dimm slot, hence the error. Took out the...
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    Lots of trouble with Z11PA-U12-10G-2S + 4210R

    Looks like I'm not the only one with this issue. I have tried CMOS, different CPUs and dimms etc.. Would you mind sharing the settings you tweaked in BIOS to get the dimms working in the proper slots? I currently have 4 dimms in slots A1/D1 and B1/E1 and get POST message: 'DIMM Train Error...