It's normal. these W790 boards are not in popular so not optimized enough. I'm used to clear CMOS after any DIMMs configuration changed.Honestly these systems are drawing me crazy! They are so hard to use.
Check this report, Windows high perf. profile + CPU min state 5% = 100w idle, no lag IMG-20240717-222216 hosted at ImgBBHere my ASROCK runs with 200Watt idling
Reset the BIOS default first (except the Package C-State C2).
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