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Article #210928Re: IBM 9020 FAA/ATC Systems from 1960's
From: Guenther Vieth
Date: Thu, 16 Aug 2001 13:52
Date: Thu, 16 Aug 2001 13:52
38 lines
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2784 bytes
A picture of a 9020 panel is published in the book of Paul E. Ceruzzi A History of Modern Computing MIT Press 1998 ISBN 0-262-03255-4 (Page 150) The panel look not like a 50 or 65. No rollers ! Can anyone comment this ? gv Chris Bigos wrote: > > Dear Dan / transatlantic cousins, > > I hope I can add my little bit to the shared knowledge in this thread: > ... > > "About 1/4 the way down the left hand side is a square hole. It's where a > lighted button went. Any idea what the button was (vainly hoping I can find > the correctly labeled button somewhere)? I don't think it was "Power On", as > there is a switch on the lower right quadrant labeled that." > > This was the '360 compatibility mode' button. I recall it was translucent > green and engraved "360" rather than "360 MODE" (p/n 5383203 - I have one > somewhere, perhaps I could JPEG it if you're bent on an accurate > restoration). The pushbutton was backlighted when 360 compatibility mode was > active, which could only be whilst in state 1, 0, or Test in either > Supervisor or Problem mode. When not in 360 mode the CE was in 9020 mode (we > only ever took our CEs out of 9020 mode when running the diagnostic that > checked that 360 mode worked!). > ...
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Path: mbox-mo1.pugleaf.net!archiver1.google.com!newsfeed.google.com!newsfeed.stanford.edu!news-spur1.maxwell.syr.edu!news.maxwell.syr.edu!colt.net!news0.de.colt.net!news.kamp.net!not-for-mail From: Guenther Vieth <guenthe...@d.kamp.net> Newsgroups: alt.folklore.computers Subject: Re: IBM 9020 FAA/ATC Systems from 1960's Date: Thu, 16 Aug 2001 15:52:36 +0200 Organization: gv Lines: 38 Message-ID: <3B7BD024.FD3E88D9@d.kamp.net> References: <7HU77.9333$TM5.980906@typhoon.southeast.rr.com> <memo.20010727094436.36989A@mikekingston.compulink.co.uk> <vd2NzVOTNb7v-pn2-vdi55dTSr5Cy@dialup-63.208.164.65.Dial1.Washington2.Level3.net> <jwU87.26231$J37.6143999@typhoon.southeast.rr.com> <vd2NzVOTNb7v-pn2-S9FIPi2udxUW@dialup-63.208.164.94.Dial1.Washington2.Level3.net> <9k3oan$t35$1@top.mitre.org> <vd2NzVOTNb7v-pn2-kRuq3Z30rY3O@dialup-209.244.87.87.Dial1.Washington2.Level3.net> <vd2NzVOTNb7v-pn2-PBomleKh1jJS@dialup-209.244.224.188.Dial1.Washin <9l0m6j$la3$1@top.mitre.org> <K2Tc7.108947$TM5.16755795@typhoon.southeast.rr.com> <6aie7.52269$e%3.8225465@news2-win.server.ntlworld.com> NNTP-Posting-Host: port-46.d.kamp.de Mime-Version: 1.0 X-Trace: news-in.kamp.net 997969968 32347 195.62.120.238 (16 Aug 2001 13:52:47 GMT) X-Complaints-To: use...@news-in.kamp.net NNTP-Posting-Date: Thu, 16 Aug 2001 13:52:47 +0000 (UTC) To: Chris Bigos <Chris...@COLDmail.com> X-Mailer: Mozilla 4.7 [en]C-CCK-MCD NSCPCD47 (Win95; I) X-Accept-Language: en,pdf Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit