From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=5.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.2 Received: from minnie.tuhs.org (minnie.tuhs.org [45.79.103.53]) by inbox.vuxu.org (OpenSMTPD) with ESMTP id 12e0957f for ; Thu, 23 Jan 2020 08:38:40 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 478D59C22D; Thu, 23 Jan 2020 18:38:37 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id 63B6B9C102; Thu, 23 Jan 2020 18:38:11 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 0CE6A9C102; Thu, 23 Jan 2020 18:38:08 +1000 (AEST) Received: from lb3-smtp-cloud9.xs4all.net (lb3-smtp-cloud9.xs4all.net [194.109.24.30]) by minnie.tuhs.org (Postfix) with ESMTPS id 160169B842 for ; Thu, 23 Jan 2020 18:38:06 +1000 (AEST) Received: from mba2.fritz.box ([80.101.112.122]) by smtp-cloud9.xs4all.net with ESMTPA id uY02ix6oXT6sRuY04iwz3u; Thu, 23 Jan 2020 09:38:04 +0100 From: Paul Ruizendaal Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Mime-Version: 1.0 (Mac OS X Mail 12.4 \(3445.104.11\)) Message-Id: Date: Thu, 23 Jan 2020 09:38:02 +0100 To: TUHS main list X-Mailer: Apple Mail (2.3445.104.11) X-CMAE-Envelope: MS4wfEBd0Zo9QGFti/zYrRzIyhBGCE7U9ko+pKvF02ybwIMlJkW8xgH+FlaLMBSx1v2bFzFrUGbrE1fsk4+0muUjVHGdkXSGQoCZAMpBT8MyuC/rpeUX0n6o deFZzJtWYTB/wuaR4Mli+KjulutB+s6y1TnVbmmtb1m1FPPMMNTtdL0k Subject: Re: [TUHS] Spider X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" > I have vague memories here that maybe Heinz can help with if his are = any better. > I believe that Sandy played a part in "the loop" or "the ring" or = whatever it > was called that we had connecting our Honeywell 516 to peripherals. I = do > remember the 74S00 repeaters because of the amount of time that Dave = Weller > spent tuning them when the error rate got high. Also, being a loop, = Joe > Condon used to pull his connectors out of the wall whenever people = weren't > showing up to a meeting on time. I don't know whether our network was = a > forerunner to the spider network. It most likely was Spider - it became operational in 1972. The vist = report that I linked to earlier also says: "The current system contains just one loop with the switching computer = (TEMPO I), four PDP-11/45 computers, two Honeywell 516 computers, two DDP 224 = computers, and one each of Honeywell 6070, PDP-8 and PDP-11/20. In fact many of = these are connected in turn to other items of digital equipment.=E2=80=9D It would be interesting to know more about the H516=E2=80=99s and = Spider, any other recollections?