Busted EPROMs certainly would fit the symptoms. What EPROM does a MicroVAX 3100 use, and does simh have the requisite binary image? I've got a ROM burner.... On Tue, Sep 17, 2019 at 7:28 AM Clem Cole wrote: > +1 > ᐧ > > On Mon, Sep 16, 2019 at 10:52 PM Adam Thornton > wrote: > >> https://share.icloud.com/photos/0MKJjk8pRBvkZAEzaobjfOyPQ >> >> I start v7 Unix and play "Hunt The Wumpus". >> >> (I finally got it put together this weekend, and fixed the last couple >> dodgy joints tonight). >> >> Adam >> >