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Article #5241026 robustness (was "tubes in IBM equipment")
From: a... Arthur Evans
Date: Thu, 25 Oct 1990 18:07
Date: Thu, 25 Oct 1990 18:07
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ph...@zorch.SF-Bay.ORG (Phil Gustafson) writes >> ... the robustness of the 026 [was limited by] its power supply. >> Small filter capacitors, skinny rectifiers, or lightweight >> transformers limited the available current enough that the thing >> couldn't punch more than three holes at once. My memory is that the mechanical design also was not up to punching more than 3 or 4 holes at a time -- the punch die would bend, or some such thing. If the power supply was also inadequate, then apparently the whole thing was designed properly to the same specs. I'm quite sure that duplicating binary cards was not part of the intent of the designers. Art Evans/SEI
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Path: mbox-mo1.pugleaf.net!gmdzi!unido!mcsun!uunet!samsung!usc!wuarchive!udel!rochester!pt.cs.cmu.edu!sei!ae From: a...@sei.cmu.edu (Arthur Evans) Newsgroups: alt.folklore.computers Subject: 026 robustness (was "tubes in IBM equipment") Message-ID: <9220@fy.sei.cmu.edu> Date: 25 Oct 90 18:07:18 GMT References: <107024@convex.convex.com> <8256@tekgvs.LABS.TEK.COM> <9644@milton.u.washington.edu> <1990Oct23.050244.1545@zorch.SF-Bay.ORG> Organization: Carnegie-Mellon University (Software Engineering Institute), Pgh, PA Lines: 14 Posted: Thu Oct 25 19:07:18 1990 In-reply-to: phil@zorch.SF-Bay.ORG's message of 23 Oct 90 05:02:44 GMT MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit