>     There were a few variants of the i960 architecture that included
>     an MMU, but virtually all of the i960 devices shipped, such as
>     X-terminals, printers, and routers, were based on the cheaper
>     non MMU version.

Make that "non MMU versions", plural. There were quite a few:

    Kx Cx Hx Jx Sx RP

    where 'x' was usually either A/B or C/F, depending on the series.

Todd Whitesel
toddpw @ best.com