70's computers

Noel Chiappa jnc at mercury.lcs.mit.edu
Tue Oct 23 18:57:50 CDT 2018


PS:

    > Not the simplest machine to implement, mind - the -8 is a lot
    > simpler.

As a rough measure of how much more complex, the -8/E and -11/20 are roughly
contemporaneous, and built out of the same technology (SSI TTL on larger
boards): the -8/E CPU is 5 quad boards, and the -11/20 CPU is 9 quad board
(equivalents - some are duals, etc).

	Noel


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