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From: @S1-A.ARPA,@MIT-MC.ARPA:Purtill.SIPB@MIT-MULTICS.ARPA
Newsgroups: net.space
Subject: Re: Shuttle computers
Message-ID: <2453@mordor.UUCP>
Date: Sat, 29-Jun-85 20:54:32 EDT
Article-I.D.: mordor.2453
Posted: Sat Jun 29 20:54:32 1985
Date-Received: Wed, 3-Jul-85 07:55:01 EDT
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From: Mark Purtill 


Those of you who have been wondering about the space shuttles computers
might want to chack out the September, 1984, issue of the Communications
of the ACM.  It's got a special section on "computing in space,"
including an interview with some of the people at IBM who developed the
computers.  For instance, it tells one that each computer weighs about
120 lbs (55 kg) and that there are five, one of which is a backup which
runs special software written independently by Rockwell.  It seems to go
into detail about how the four main computers communicate and vote and
such like (I haven't actually read it yet, not having the time.)


       Mark
^.-.^  Purtill at MIT-MULTICS.ARPA    **Insert favorite disclaimer here**
(("))  2-032 MIT Cambrige MA 02139