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=-0.6 required=5.0 tests=DKIM_INVALID,DKIM_SIGNED, 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 665a4596 for ; Thu, 29 Aug 2019 00:19:11 +0000 (UTC) Received: by minnie.tuhs.org (Postfix, from userid 112) id 636769BFCB; Thu, 29 Aug 2019 10:19:10 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id EF54D9BF4D; Thu, 29 Aug 2019 10:18:52 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=algebras-org.20150623.gappssmtp.com header.i=@algebras-org.20150623.gappssmtp.com header.b="du3Kl/Nc"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 3AD6A9BF4D; Thu, 29 Aug 2019 10:18:50 +1000 (AEST) Received: from mail-io1-f65.google.com (mail-io1-f65.google.com [209.85.166.65]) by minnie.tuhs.org (Postfix) with ESMTPS id C78709BDBB for ; Thu, 29 Aug 2019 10:18:48 +1000 (AEST) Received: by mail-io1-f65.google.com with SMTP id p12so3283455iog.5 for ; Wed, 28 Aug 2019 17:18:48 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=algebras-org.20150623.gappssmtp.com; s=20150623; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=LBUCDkYLF6Ya0Ldk5AEgZOSnyoEvbAtGO9bFWNSgdZw=; b=du3Kl/Ncgtpb6pFpZroDvdsH8LnsJPD3PL6dkwk0NQWe6spbKL+MqvSRelcSvGQkYD QBh+IXBMBXrso/VHyejnPPfhm6czEr2pBZ75iDTCU8/4OOEzpcqbsdh/iDcsOi5z1Szt xgY0HGGNT5yVTDCOeVjW91bqcBPZld0OiV/5B8n2LKJXRv+XP+uf7+v8KoojVZzaRsj/ 0iTEB03st7sJOx/ENFfvSaDcsStqZM0Bkqdb6FuBQi7l5mX987RbCDIfqmkn5+fMiISJ 4qQy4m58kxHKC9ZLUt4zFBZuf549ZArdMeqM4nppjIY7Xa3AUz8MBcXJN+RDdIzk8bS6 LjPg== 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:content-transfer-encoding; bh=LBUCDkYLF6Ya0Ldk5AEgZOSnyoEvbAtGO9bFWNSgdZw=; b=G7S2iza+sCugKsWakCVzRNrxKTM2tGAkWOiiyQeJK0PgOc7YeVw9ypPBJ8qvVXfBqD rtCc/DMnyhxPM/EIcEDiXCd2urPnwrelNE5ZPTwRmH3zwS0/xyBj4eD6LYlsdBZR4x1k t/CNENRjMs2Jn0edbs21u9X7OiheRnnKJsJKYxsR2FkTZdVH5c9yW2xYrfkPhhydYhuT V7DI3phYWSPENi6Gj14ro1d3L6bt4+qsF3cFvdlsl49xODvY/9BFKmtfa+LnRXvDYpqp joUDEeQ37DN3Lh7he8rbz0eph1YY5WDp4hzj0QC1uVuuTVVRtWS7xq+KYopzzCODbtp2 l2mw== X-Gm-Message-State: APjAAAVE1IAC3s0Lfudv/UcF+IW+2bfoTyn8izfUR28C6ebZISrNqu4w uLftc9+LVtZ1zrNDTguMDjQvy0L/M2X2g22+BRKxxQ== X-Google-Smtp-Source: APXvYqwEhGGbphOwTu/vx2k0Q+1vHAPqO4tAO3U3GQjUeb8Rh5rYkMsFcZLzgKFidhq21hG4iDxO2rgRx5+askv99SA= X-Received: by 2002:a05:6602:259a:: with SMTP id p26mr2587395ioo.65.1567037927694; Wed, 28 Aug 2019 17:18:47 -0700 (PDT) MIME-Version: 1.0 References: <201908281841.x7SIfQS7053036@tahoe.cs.Dartmouth.EDU> In-Reply-To: From: George Michaelson Date: Thu, 29 Aug 2019 10:18:36 +1000 Message-ID: To: Clem cole Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Subject: Re: [TUHS] dmr streams & networking [was: Re: If not Linux, then what?] 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: , Cc: TUHS Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" I should add that in the UK the vaxes we run included "systime" equipment: They got done for photocopying DEC boards and reselling without licence fee, and for selling kit to the USSR. They'd started as a Vt100 seller. nice terminals. Shame about the bad business practices. The headquarters was a modernist building used for the BBC tv series "edge of darkness" and did have the CEO's helicopter parked outside: he flew it when they could afford the avgas. -G On Thu, Aug 29, 2019 at 10:12 AM Clem cole wrote: > > William That=E2=80=99s right. 4.1a supported at least these plus the orig= inal Xerox 3m card and I think a card MIT made for chaos and the protean ca= rd. iirc. We had one of each of the production 10M Ethernet cards in the c= ad lab at UCB at some point. The machine dec gave us had a dec card and th= at was the only dec card on campus so Sam would come over to my lab to test= new OSses on that system. UCB originally bought 3com cards (eventually in= the cad group I got some early interlan cards from their ceo to test and I= remember we liked them better for some reason I don=E2=80=99t remember). B= efore we had the 3COM based 10M link, we had couple of 3M Xerox cards on th= e original link back to Evans hall. > > The Xerox cards were used with the BBN tcp before 4.1a. Eric cooper brou= ght all that up with Sam and Bob Kriddle Iirc. > > That was all switched to the 3com cards pretty early to get 10M and Early= after 4.1a and I do remember sam and I had used all that to debug Routed a= s we had the CAD Ethernet in Cory Hall, the back link to Evans and another = Ethernet in the Evans machine room. > > Sent from my PDP-7 Running UNIX V0 expect things to be almost but not qui= te. > > > On Aug 28, 2019, at 6:36 PM, William Pechter wrote: > > > > I could've sworn 4.x BSD supported Micom Internan NI1010 or some other = early > > ethernet like 3com as well as the DEC boards. > > > > Anyone have the 4.1 or 4.2 BSD docs handy. Mine are boxed away for saf= e keeping. > > > >> On 8/28/2019 6:29 PM, George Michaelson wrote: > >> This is an object lesson in not making assumptions about things. I had > >> always assumed the V in UNIX 32V stood for something which went to > >> demand paging, from 'Virtual Addressing'. Turns out: I was wrong. > >> > >> One other note about sockets: The original 4.2 port had to be used by > >> a lot of people without the ethernet, because we didn't have the DEC > >> ethernet card it was written to. This made unix domain sockets very > >> interesting because you could test in them. Except: the very first > >> test program somebody wrote at Leeds university to create and write to > >> a unix domain socket in /tmp crashed the vax. ... (this was around > >> 1982/3) -We were warned off using sockets until the first patch tape > >> came in the post. > >> > >> > >