Reproducing old machines with newer technology (Re: PDP-12 at the RICM)

Eric Smith spacewar at
Tue Jul 14 19:04:36 CDT 2015

On Tue, Jul 14, 2015 at 3:28 PM, tony duell <ard at> wrote:
> If you mean 6 different clock sources (i.e. clocks delayed from each other, etc) then that
> is not typical of a 1970s minicomputer in my experience.

IIRC, the KB11 processors used in the DEC 11/45 and 11/70 (and other
related systems) used five "clocks delayed from each other" (more
commonly known as clock phases). In my experience that was more common
in 1970s computers than a single-phase clock.

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