From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.0 required=5.0 tests=MAILING_LIST_MULTI autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 10833 invoked from network); 11 Oct 2022 19:58:51 -0000 Received: from minnie.tuhs.org (50.116.15.146) by inbox.vuxu.org with ESMTPUTF8; 11 Oct 2022 19:58:51 -0000 Received: from minnie.tuhs.org (localhost [IPv6:::1]) by minnie.tuhs.org (Postfix) with ESMTP id 4350C40EEF; Wed, 12 Oct 2022 05:58:48 +1000 (AEST) Received: from junk.nocrew.org (junk.nocrew.org [51.15.56.219]) by minnie.tuhs.org (Postfix) with ESMTPS id 4CE5D40EEB for ; Wed, 12 Oct 2022 05:58:43 +1000 (AEST) Received: from localhost ([127.0.0.1] helo=junk.nocrew.org) by junk.nocrew.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.86_2) (envelope-from ) id 1oiLOj-00064A-8f; Tue, 11 Oct 2022 19:58:41 +0000 From: Lars Brinkhoff To: Tom Perrine Organization: nocrew References: <7wbkqjmpdt.fsf@junk.nocrew.org> <7w35bvlydw.fsf@junk.nocrew.org> <7wczaylaz0.fsf@junk.nocrew.org> Date: Tue, 11 Oct 2022 19:58:41 +0000 In-Reply-To: (Tom Perrine's message of "Tue, 11 Oct 2022 10:43:38 -0700") Message-ID: <7wwn96jfny.fsf@junk.nocrew.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain X-SA-Exim-Connect-IP: 127.0.0.1 X-SA-Exim-Mail-From: lars@nocrew.org X-SA-Exim-Scanned: No (on junk.nocrew.org); SAEximRunCond expanded to false Message-ID-Hash: VWKBJKIMQEPR324DWC55RHZILAJV5GIW X-Message-ID-Hash: VWKBJKIMQEPR324DWC55RHZILAJV5GIW X-MailFrom: lars@nocrew.org X-Mailman-Rule-Misses: dmarc-mitigation; no-senders; approved; emergency; loop; banned-address; member-moderation; header-match-tuhs.tuhs.org-0; nonmember-moderation; administrivia; implicit-dest; max-recipients; max-size; news-moderation; no-subject; digests; suspicious-header CC: Michael Casadevall , tuhs@tuhs.org X-Mailman-Version: 3.3.6b1 Precedence: list Subject: [TUHS] Re: Attempting To Build NOSC and BBN UNIXs + ARPANET code List-Id: The Unix Heritage Society mailing list Archived-At: List-Archive: List-Help: List-Owner: List-Post: List-Subscribe: List-Unsubscribe: Tom Perrine wrote: > A specific example of the VDH interface was the IMP at NOSC. > > IIRC it had 4 ports? Normally yes (depending on the hardware configuration). > One was a local connection to the machine at NOSC in the same room/building. > One was a VDH to UCSD > One was a VDH to LOGICON - the connection at the LOGICON end was a "56K > wideband modem", which was a little larger than a 2-drawer file cabinet. I > also seem to recall that the power supply had tubes. > Not sure where the 4th port went - I only saw the UCSD and LOGICON ends in > person. Maybe this information for IMP 3 and 35 from 1979 can jog your memory. HOST NOSC-SECURE2, 0/35,USER,TENEX,PDP10,[USC-ISIR1,ISIR1] HOST LOGICON, 1/35,USER,UNIX,PDP11 HOST ACCAT-TIP, 2/35,USER,TIP,H316,[NELC-TIP] HOST NOSC-SECURE3, 3/35,USER,UNIX,PDP11 HOST NOSC-CC, 0/3,SERVER,,UNIVAC-1110,[NUC-CC,NOSC-ELF] HOST NOSC-SECURE1, 1/3,SERVER,UNIX,PDP11,[NUC-SECURE] HOST NOSC-SDL, 2/3,SERVER,UNIX,PDP11,[NELC-ELF,NELC] HOST NWC, 3/3,SERVER,EXEC-8,UNIVAC-1110 HOST NPRDC-11, 4/3,SERVER,UNIX,PDP11