My roommate picked up a MicroVAX 3100 at surplus. He isn't sure of the
exact type.

He wrote down some of the stuff written on the case:
Model # DV-31CT1-A
CPU: KA41
Series: BA42B
ROM V1.3

Exactly what is this, and will it run NetBSD?
--
XCOMM Kevin P. Neal, Junior, Comp. Sci.     -   House of Retrocomputing
XCOMM  mailto:kpneal@pobox.com              -   http://www.pobox.com/~kpn/
XCOMM  kpneal@eos.ncsu.edu              Spoken by Keir Finlow-Bates:
XCOMM "Good grief, I've just noticed I've typed in a rant. Sorry chaps!"