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#21
I'm about out of ideas, other than motherboard itself being bogus.
I'd wait for more comments.
Only other things I can think of is stuff like using a single RAM stick or maybe downloading a fresh ISO from mydigitallife.info, rather than using what you think is a Technet ISO. But that's really reaching.
I assume you don't get any farther if you bypass diskpart and just boot into the install disk and stay in the graphical interface? How far do you get if you do that? To the "where do you want to install Windows screen"?