Subject: Re: NetBSD/pdp10 ?
To: Jonathan Stone <jonathan@DSG.Stanford.EDU>
From: Perry E. Metzger <>
List: port-vax
Date: 03/06/2002 17:23:24
Jonathan Stone <jonathan@DSG.Stanford.EDU> writes:
> In message <>"Perry E. Metzger" writes
> >Er, Eduardo, the machines in question invented the modern MMU. They
> >were the first architecture to have demand paged virtual memory.
> Nope, the first demand-paged virtual memory was at Manchester, with
> CRT memory.  See the the paper on two-level store by Kilburn &c,
> collected in Bell, Siewiorek and Newman's "Computer Architecture".

Yah, and multics had it too. I got it wrong. However, it did have
demand paging in the later models.

Perry E. Metzger
NetBSD: The right OS for your embedded design.