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Article #621044Re: Why so many 6s and 8s in the 70s?
From: rnet...
Date: Sun, 18 Mar 2018 01:24
Date: Sun, 18 Mar 2018 01:24
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On Saturday, March 17, 2018 at 8:48:56 PM UTC-4, rne...@gmail.com wrote: > But there was a big fixed disk random access unit (I do not remember the > model number) which had a total capacity of several megabytes, more than you > could get by hanging 1311's on a 1401. While a 1401 could run 1311's, a 1460 > was required to operate this big beast. At least, that is my recollection. My employer moved from a 1401 with several 1311's to a 1460 with a 1405. Could be a need for a faster processor drove the change from 1401 to 1460. I was under the impression, however, that the big disk needed the 1460. Google is Our Friend. IBM 1405. Available in two models, 10 and 20 million characters of storage. And harking back to the comments on 1401, 1402, 1403... There was a 1404 printer which also incorporated a card reader. Hence, 1405 was the next available 14xx number. 1406 was a cabinet of core storage (the base machine maxed at 4000 positions, the 1406 added 4k, 8k, or 12k), and 1407 was the typewriter. Don't believe there was a 1408 nor 1409. Bob Netzlof
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X-Received: by 10.200.25.102 with SMTP id g35mr4886835qtk.52.1521336280319; Sat, 17 Mar 2018 18:24:40 -0700 (PDT) X-BeenThere: alt.folklore.computers@googlegroups.com Received: by 10.200.5.11 with SMTP id u11ls4529186qtg.1.gmail; Sat, 17 Mar 2018 18:24:39 -0700 (PDT) X-Received: by 10.200.25.102 with SMTP id g35mr4886823qtk.52.1521336279416; Sat, 17 Mar 2018 18:24:39 -0700 (PDT) X-Received: by 10.31.169.211 with SMTP id s202mr882600vke.4.1521336279268; Sat, 17 Mar 2018 18:24:39 -0700 (PDT) Path: mbox-mo1.pugleaf.net!a19ni799qtj.1!nntp.google.com!r16no616961qtn.1!postnews.google.com!glegroupsg2000goo.googlegroups.com!not-for-mail Newsgroups: alt.folklore.computers Date: Sat, 17 Mar 2018 18:24:38 -0700 (PDT) In-Reply-To: <b4e9eb64-90e5-44c6-8ec6-60c34a081167@googlegroups.com> Complaints-To: groups...@google.com Injection-Info: glegroupsg2000goo.googlegroups.com; posting-host=75.88.2.13; posting-account=7i4ihQoAAABwPA9aaMGcgrASHmMVELsa NNTP-Posting-Host: 75.88.2.13 References: <87sh9m9ny5.fsf@usenet.ankman.de> <c63e7d1c-a4ac-45e3-8ec6-8be10e221dc6@googlegroups.com> <p7ptui$sgd$2@reader1.panix.com> <p7q6j4$6no$1@gal.iecc.com> <8edcc5c1-44cb-4f1e-9649-c10927b1f816@googlegroups.com> <d20c0cba-42ec-48ad-b891-a3f0b9c97d04@googlegroups.com> <p8hqd3$7j0$1@dont-email.me> <73be782b-604d-4170-a227-60d8affa0d81@googlegroups.com> <p8kb2u$ahg$1@dont-email.me> <b4e9eb64-90e5-44c6-8ec6-60c34a081167@googlegroups.com> User-Agent: G2/1.0 MIME-Version: 1.0 Message-ID: <3d997f3f-d94f-406d-9a84-3f94379caef7@googlegroups.com> Subject: Re: Why so many 6s and 8s in the 70s? From: rnet...@gmail.com Injection-Date: Sun, 18 Mar 2018 01:24:39 +0000 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit