From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: tuhs-bounces@minnie.tuhs.org X-Spam-Checker-Version: SpamAssassin 3.4.1 (2015-04-28) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,HTML_MESSAGE,MAILING_LIST_MULTI, RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.1 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id c141a0b7 for ; Sat, 23 Jun 2018 17:03:36 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id D56F2A1845; Sun, 24 Jun 2018 03:03:35 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 203469EE0C; Sun, 24 Jun 2018 03:02:34 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b=rSq4mrEQ; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 95EE89EE0C; Sun, 24 Jun 2018 03:02:31 +1000 (AEST) Received: from mail-it0-f51.google.com (mail-it0-f51.google.com [209.85.214.51]) by minnie.tuhs.org (Postfix) with ESMTPS id 148009EDE9 for ; Sun, 24 Jun 2018 03:02:31 +1000 (AEST) Received: by mail-it0-f51.google.com with SMTP id u4-v6so6972151itg.0 for ; Sat, 23 Jun 2018 10:02:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=IJ4681MPqA9ZQSh9VL/ki6sw7Xm8r75uGfqlgvxyF5I=; b=rSq4mrEQCPkn0mJH85XE0wSWx8vaOHveRet8IV3wVagoL0RtwwpP4Njj5yfhXuPxEj 3mpZYpQaB0OHy5pCWSdnc+ktaTvwVihbEkqwRrCqX+0aJ8bFAl6BELxqcq8rmf7s+aVb pzjmJiTkJVE0LT0CxytdpIglKY2d3pPMPstQmtQq235oShCKa77pg0xC45ju4MS5YEa7 qV79VglRgRzPT7dP/sNFt0dnWRpxum5KJxKXdNVvAiTGDip8YFulg7jVjyTVh2TWHzhP BdOVwqGCsxISg/vn9nqnEUEgbRDnBiNY4+hsnBmCrw0IS61U6gfOjLoR25MtwHb1Jodb 292g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=IJ4681MPqA9ZQSh9VL/ki6sw7Xm8r75uGfqlgvxyF5I=; b=NlpcNGPHVmHq/1Ch0Q4DSnSux0XPUW829k14qqvJRl/uwqc/zDZslAJqvOLvVgaDDx Kne30zlVzclyBF8G9fd/8ARTMr/Je21/5PYXgyk6otYvIoXqA0ji+imRUpQ/Z71kSQyx AIA4h1ucVNXkjKN4ElSREQpWM2oMLGS8gid8SLAq7If+9TtBubbFsHUUkmk7822xgD6A MPHei6WDIzR6PlU3s1Gte69Xs+LLU5+uBgmGDLbcMwLywApoNZ+OS3KK/TYXznzRWtaW Ubqx56dpplIgQ5SypZna/scM2r7okzZnvZU2MngTuzU4s4iw3pHIxIpXumO01B0VP0Mv oeJw== X-Gm-Message-State: APt69E3Xqh4PAx1EoSCg5NY62Vwni69DzPMAZ5lCFlFk/2uyswOJ0IkN LhumSmW7j7oOLZD9fegHHGs8fepVOBrSNTNQIVUdVg== X-Google-Smtp-Source: ADUXVKL3l4lTHOTRkmS1gVI21oRsuV0qxrgx2Z1CvdYwlVIGv4RyeMP34y/bkROIcAeXckgZfyzelCe1yCM3guM0YoI= X-Received: by 2002:a02:17c9:: with SMTP id 192-v6mr5176958jah.115.1529773350187; Sat, 23 Jun 2018 10:02:30 -0700 (PDT) MIME-Version: 1.0 References: <20180619204536.GA91748@server.rulingia.com> <20180620050454.GC91748@server.rulingia.com> <20180620081032.GF28267@eureka.lemis.com> <20180621030505.GA89671@server.rulingia.com> In-Reply-To: From: ron minnich Date: Sat, 23 Jun 2018 10:02:18 -0700 Message-ID: To: Dave Horsfall Content-Type: multipart/alternative; boundary="0000000000001ff905056f521d02" Subject: Re: [TUHS] Old mainframe I/O speed (was: core) X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: The Eunuchs Hysterical Society Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --0000000000001ff905056f521d02 Content-Type: text/plain; charset="UTF-8" A complete summary of slowdown devices and eunuch hardware would make a fascinating document. Every vendor I know of at some point had the "wire wrap" clock-x-2 upgrade, there is of course the infamous 486/487 story, and Jon Hall used to love telling the story of the VAX backplane with the glue in the board slots, which clever customers managed to damage and have repaired with a non-glued-up backplane. And on a bigger scale is the tragedy of, e.g., DECs use of its ownership of Alpha firmware to hamstring its customer-competitors who tried to build systems with Alpha. "What are you doing to our Alpha customers? They're selling systems with Alpha!" "They're system competitors, we must crush them" It would be neat to collect them all somewhere ... --0000000000001ff905056f521d02 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
A complete summary of slowdown devices and eunuch hardware= would make a fascinating document. Every vendor I know of at some point ha= d the "wire wrap" clock-x-2 upgrade, there is of course the infam= ous 486/487 story, and Jon Hall used to love telling the story of the VAX b= ackplane with the glue in the board slots, which clever customers managed t= o damage and have repaired with a non-glued-up backplane.

And on a bigger scale is the tragedy of, e.g., DECs use of its ownership = of Alpha firmware to hamstring its customer-competitors who tried to build = systems with Alpha.
"What are you doing to our Alpha custome= rs? They're selling systems with Alpha!"
"They'= re system competitors, we must crush them"

It would be neat to collect them all somewhere ...
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