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From: tsmith@gryphon.CTS.COM (Tim Smith)
Newsgroups: comp.arch,comp.unix.wizards,comp.os.minix
Subject: Re: pdp-11/55
Message-ID: <1806@gryphon.CTS.COM>
Date: Tue, 6-Oct-87 23:56:09 EDT
Article-I.D.: gryphon.1806
Posted: Tue Oct  6 23:56:09 1987
Date-Received: Sat, 10-Oct-87 07:48:41 EDT
References: <1755@ncr-sd.SanDiego.NCR.COM> <275@usl> <29933@sun.uucp> <2949@phri.UUCP>
Reply-To: tsmith@gryphon.CTS.COM (Tim Smith)
Organization: Trailing Edge Technology, Redondo Beach, CA
Lines: 23
Xref: mnetor comp.arch:2539 comp.unix.wizards:4738 comp.os.minix:1826

In article <2949@phri.UUCP> roy@phri.UUCP (Roy Smith) writes:
>In article <29933@sun.uucp> guy%gorodish@Sun.COM (Guy Harris) writes:
>> a PDP-11/55 (which was an 11/45 with bipolar memory hung off a fast
>> memory bus).
>	The closest I ever came to one of these was 1) reading the CPU
>hardware manual and 2) poking around in one which had been discarded.
>Anybody ever actually have one of these beasties?  Must have run like
>greased lightening.  How many were actually made?
Was it a faster 11/45, or an OEM 11/60? I don't know, but I do remember
that DEC had a habit of producing a machine (11/10, 11/40) for "end
users", then a version -5 for OEMs (11/05, 11/35). I've had little experience
with the 11/60 (other than a few evenings sysgen'ing RSX on one), but as
I remember the 11/60 was a very special beastie, with, I believe, user-
writeable microcode. Not at all like a typical PDP-11. But please
correct me if wrong--I claim no expert knowledge with 11/60's. The one I
used briefly was the property of a physics department, and I was told that
it was sold to them as DEC's ultimate Fortran engine (circa 1980 here).

-- 
Tim Smith
INTERNET:     tsmith@gryphon.CTS.COM
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