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Article #210920

Re: IBM 9020 FAA/ATC Systems from 1960's

#210920
From: Daniel House
Date: Fri, 10 Aug 2001 15:26
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"Joe Morris" <jcmo...@mitre.org> wrote in message
news:9l0m6j$la3$1@top.mitre.org...
>
> My vague recollection is that the left-middle panels on the plain-vanilla
> /65 were blank; I dug out my ancient FETOM for the box last night, but
> the only picture of the front panel in it is from a very oblique angle
> and it appears to be empty.
>

I have a picture of a regular 360/65 and you are right--that frame of the
vanilla panel is empty.

> One possibility would be that the lights and buttons on those panels
> were for the backup batteries that were unique to the 9020.  What are
> the legends on the indicators and switches below the empty socket?
>

The switch directly below the empty socket says "Test".  The indicators are
in a painted box labeled "State" and the indicators themselves are labeled
"Three", "Two", "One", and "Zero"  (no Blast-Off).

> Also...on the lower left front panel there is a row of lever switches.
> On a normal 360/65 the rightmost switch (just above and to the right
> of the RATE switch, which is over the green START button) was unused,
> and at many shops bogus legends were added (such as "EXTRA SUGAR").
> Is there a legend on your panel?  I can't see it clearly in the picture;
> the upper legend appears to be blank but the switch is in the down
> position and obscures the lower legend.

The rightmost switch above the Rate dial has no legend but two switch
positions labeled: "L-Reg" and "M-Reg"

Thanks for any info -- it's tough to find working way-back machines.  Dan




> Joe Morris
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From: "Daniel House" <d.h...@computer.org>
Newsgroups: alt.folklore.computers
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>
Subject: Re: IBM 9020 FAA/ATC Systems from 1960's
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