This post fits with the other X11SDV posts in 2H of 2019. Both of my X11SDV-12C-TLN2F boards had problems where they would run fine for hours or days at full load, but then randomly I would find them shut down.
Things I tried that did not work:
- separating their electrical connections onto independent battery backups (previously they both shared a single 1500 VA UPS). This was about the same time I was replacing batteries in the UPS units and thought power blips might then lead to overload situations.
- swapping RAM between the units
- swearing a lot
- removing the AOC-SHG3-4M2P cards having the scratch SSD drives
Things I tried that did work:
- Replacing the Fortron 250 W PSU (FSP250-60FAG) with a Fortron 300 W PSU (FSP300-57FCB)
Running these boards with 128 GB of RAM, boot SSD, and the PCI-E card + 2 SSDs drew 150-180 W. Hence, I figured the 250 W PSU would be fine, but one of the rails must not have been sufficient to supply the required load.
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