Newsgroups: comp.lang.c
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: PDP-11 data and function address spaces
Message-ID: <1989Nov15.165723.21456@utzoo.uucp>
Organization: U of Toronto Zoology
References: <530@dftsrv.gsfc.nasa.gov> <225800239@uxe.cso.uiuc.edu> <11567@smoke.BRL.MIL> <20642@mimsy.umd.edu> <1989Nov9.200332.8763@utzoo.uucp> <5121@ncar.ucar.edu> <11588@smoke.BRL.MIL>
Date: Wed, 15 Nov 89 16:57:23 GMT

In article <11588@smoke.BRL.MIL> gwyn@brl.arpa (Doug Gwyn) writes:
>>Alas, you have forgotten the 11/73 and 11/83.
>
>Also the PDP-11/55.  I think every PDP-11 model >= 44 other than 60
>supported separate I&D spaces.

The 50 and 55 were 45s with factory-installed fast memory and a different
front-panel color.  Actually, the 70 was a 45 deep down inside too, but
the modifications were a bit more drastic there.

I think the ">=44 && !=60" rule is correct.
-- 
A bit of tolerance is worth a  |     Henry Spencer at U of Toronto Zoology
megabyte of flaming.           | uunet!attcan!utzoo!henry henry@zoo.toronto.edu