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From: (Noel Chiappa)
Subject: Re: [TUHS] understand earliest hardware?
Date: Mon, 30 Sep 2019 22:29:38 -0400 (EDT)	[thread overview]
Message-ID: <> (raw)

    > From: Jeremy C. Reed

    > "PDP-11 that had PDP-10 memory management, KS-1."  ... What is this
    > PDP-11 and KS-1?  Maybe this is the PDP-11/20 with KS-11?

Yes. The reference to "PDP-10 memory management" is because apparently the
KS11 did what the PDP-10 MMU did, i.e. divide the address space into two
sections. (On the -10, one was for code, and one for data.)

Alas, next to nothing is known of the KS11, although I've looked. There's a
mention of it in "Odd Comments and Strange Doings in Unix":

but it doesn't say much.


             reply	other threads:[~2019-10-01  2:30 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-01  2:29 Noel Chiappa [this message]
  -- strict thread matches above, loose matches on Subject: below --
2019-09-30 21:59 reed
2019-10-01  1:05 ` Warner Losh

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