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From: Daniel_S._Conde.osbuno...@Xerox.ARPA
Newsgroups: net.works
Subject: info on CMU 3M Machine
Message-ID: <3749@topaz.RUTGERS.EDU>
Date: Mon, 23-Sep-85 16:45:09 EDT
Article-I.D.: topaz.3749
Posted: Mon Sep 23 16:45:09 1985
Date-Received: Wed, 25-Sep-85 12:26:32 EDT
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Organization: Rutgers Univ., New Brunswick, N.J.
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From: conde.osbuno...@Xerox.ARPA


Does anyone have info or pointers to articles on the CMU 3M Machine?
It's been publicized after Steve Jobs quit Apple for build a workstation
with the 3 M's: 1M x 1M bitmap, 1 MIPs, and 1 Meg RAM, running UNIX, and
is supposed to be built in coopereration with IBM, HP, SUN, ATT, DEC and
Apple. It's also supposed to be dirt cheap. I know about the plan to
wire CMU up, some info on the SPICE machines, but the name 3M is new to
me...

	Dan Conde
	conde.pa@Xerox

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lll-crg!seismo!rochester!pt.cs.cmu.edu!ius2.cs.cmu.edu!ralphw
From: ral...@ius2.cs.cmu.edu.ARPA (Ralph Hyre)
Newsgroups: net.works
Subject: Re: info on CMU 3M Machine
Message-ID: <208@ius2.cs.cmu.edu.ARPA>
Date: Thu, 3-Oct-85 15:16:06 EDT
Article-I.D.: ius2.208
Posted: Thu Oct  3 15:16:06 1985
Date-Received: Sun, 6-Oct-85 05:45:41 EDT
References: <3749@topaz.RUTGERS.EDU> <73@unc.unc.UUCP>
Organization: Carnegie-Mellon University, CS/RI
Lines: 30

As far as I can tell, CMU is going to let the marketplace develop
a good 3M machine, and any machine Next, Inc. will probably be a contender.
(Any ideas on whether Jobs will build his 'Next' machines with an open bus
architecture?)  Right now the ITC is using Suns and MicroVaxes, and we're
all waiting to find out whether IBM will require everybody on campus to
sign non-disclosure agreements in order to be allowed to use their advanced 
workstation.

MIT's project Athena is using mostly DEC hardware, (MicroVaxes, 750's with
VS-1000 graphics terminals).  They're supporting the CMU window manager
calls as well as their own.  (This will be a big win, especially if the
compatibility is extended to other components of the systems.  Unfortunately
MIT's idea is to provide remote services through a remote procedure call (rpc)
interface, while CMU is using sockets.  Both systems use Berkeley 4.2 Unix.)

I hope the '3M' idea isn't viewed as the ultimate solution, since everyone
know that an open architecture is a requirement to keep up with the state of
the art.
--
				- Ralph

				Internet: ral...@c.cs.cmu.edu (cmu-cs-c.arpa)
				Usenet: ral...@mit-eddie.uucp
				Fidonet: Ralph Hyre at Fido#385 (Pitt-Bull)
-- 
				- Ralph

				Internet: ral...@c.cs.cmu.edu (cmu-cs-c.arpa)
				Usenet: ral...@mit-eddie.uucp
				Fidonet: Ralph Hyre at Fido#385 (Pitt-Bull)

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From: j...@mit-eddie.UUCP (Jim Gettys)
Newsgroups: net.works
Subject: Re: info on CMU 3M Machine (really X window system)
Message-ID: <99@mit-eddie.UUCP>
Date: Tue, 15-Oct-85 22:54:57 EDT
Article-I.D.: mit-eddi.99
Posted: Tue Oct 15 22:54:57 1985
Date-Received: Fri, 18-Oct-85 20:07:23 EDT
References: <3749@topaz.RUTGERS.EDU> <73@unc.unc.UUCP> <208@ius2.cs.cmu.edu.ARPA>
Reply-To: j...@mit-eddie.UUCP (Jim Gettys)
Organization: MIT, Cambridge, MA
Lines: 35
Keywords: X, Window Systems

In article <2...@ius2.cs.cmu.edu.ARPA> ral...@ius2.cs.cmu.edu.ARPA (Ralph Hyre) 
writes:
>MIT's project Athena is using mostly DEC hardware, (MicroVaxes, 750's with
>VS-1000 graphics terminals).  They're supporting the CMU window manager
>calls as well as their own.  (This will be a big win, especially if the
>compatibility is extended to other components of the systems.  Unfortunately
>MIT's idea is to provide remote services through a remote procedure call (rpc)
>interface, while CMU is using sockets.  Both systems use Berkeley 4.2 Unix.)
>

	To correct some missimpressions left by Ralph's Article:
1) Our window system (X) uses a protocol ON TOP of a stream, similar in
principle to Andrew, the ITC CMU window system.  It currently runs over
TCP, though we ran it over a DECNET stream one day for interest's sake.
We support a fully heirarchical (sub)window system, and allow
overlapping windows.  X is considerably more powerful than Andrew,
but we have not the applications code that Andrew does.
2) X currently runs on VS100 displays, the VS 2 (uVaxII with QVSS) workstation
and a color display.  Other ports are in progress.
The client programs (since X is a formal network server) have been
ported to a Sun and will talk to a Vax display, but the X server has
not been ported to the Sun (where most of the work lies; we do not have the
manpower to put into it here). (Any suckers, ah, I meant volunteers out there?)
3) The Andrew emulation package is not finished, and I for one will not
count my emulators before programs run under them.  No promises as to
if/when it will be done.  We hope "soon"....
4) the Vs100 implementation of X is available from MIT at nominal ($100)
charge, no license (additional to a Berkeley licence) is required, and X
will be on the 4.3 tape.  An incomplete VS2 implementation is also on the
MIT distribution (soon to be finished as soon as the "last bug" is found).
For information on how to get a distribution, send mail to 
"xrequ...@athena.mit.edu" (xrequ...@mit-athena.arpa).
				Jim Gettys
				MIT/Project Athena
				Digital Equipment Corporation
				j...@athena.mit.edu (j...@mit-athena.arpa).

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		       SCO Files Lawsuit Against IBM

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made concentrated efforts to improperly destroy the economic value of 
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business. See SCO vs IBM.

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