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From: roy@phri.UUCP (Roy Smith)
Newsgroups: comp.arch,comp.unix.wizards,comp.os.minix
Subject: pdp-11/55
Message-ID: <2949@phri.UUCP>
Date: Sun, 4-Oct-87 11:00:28 EDT
Article-I.D.: phri.2949
Posted: Sun Oct  4 11:00:28 1987
Date-Received: Wed, 7-Oct-87 05:45:14 EDT
References: <1755@ncr-sd.SanDiego.NCR.COM> <275@usl> <29933@sun.uucp>
Reply-To: roy@phri.UUCP (Roy Smith)
Organization: Public Health Research Inst. (NY, NY)
Lines: 16
Xref: mnetor comp.arch:2505 comp.unix.wizards:4680 comp.os.minix:1799

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?

	As I remember, the 11/45 was capable of having a certain amount
(8kbytes?) of MOS or bipolar ram in place of some of the core.  Anybody
ever have a 45 so equiped?  Did it make much difference?
-- 
Roy Smith, {allegra,cmcl2,philabs}!phri!roy
System Administrator, Public Health Research Institute
455 First Avenue, New York, NY 10016