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=-0.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HTML_FONT_LOW_CONTRAST,HTML_IMAGE_ONLY_16,HTML_MESSAGE, MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 14267 invoked from network); 9 Apr 2021 20:47:05 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 9 Apr 2021 20:47:05 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 9EF0893FAE; Sat, 10 Apr 2021 06:47:01 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id CA68793D6B; Sat, 10 Apr 2021 06:46:44 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (1024-bit key; unprotected) header.d=ccc.com header.i=@ccc.com header.b="dIc1BsDt"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id CBD2A93D6B; Sat, 10 Apr 2021 06:46:42 +1000 (AEST) Received: from mail-qv1-f41.google.com (mail-qv1-f41.google.com [209.85.219.41]) by minnie.tuhs.org (Postfix) with ESMTPS id 5200393D69 for ; Sat, 10 Apr 2021 06:46:42 +1000 (AEST) Received: by mail-qv1-f41.google.com with SMTP id es6so3386200qvb.0 for ; Fri, 09 Apr 2021 13:46:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ccc.com; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=qK9eGMSoKyYsmSVAfvK1BSIrcSZbNoWSfguHHPS5B8Y=; b=dIc1BsDtByNOkRQFE4nHRMX/2hy8a+v/lL6QdJkoaTl4f01sD6s1BrLtYXEoH5pJGk rZx6W0CUTA+RiPqWyzRBRXJbViosyE3YR4cQTT8CbvJ6nXsv/Ca/wibnILsC96rZTohj x/TRFmIrH0Z7E/nsAQLmz/rs379ybVjhvt6e4= 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=qK9eGMSoKyYsmSVAfvK1BSIrcSZbNoWSfguHHPS5B8Y=; b=sPg8CSUkp5K3o4W5o6cRLV/cje+xvmrHpiap30JS7Df8DrW9SeBxzmATWnvJDWbq/Z H2duA5wtfFlKZARZvgdwxB+8lAl8GiDOIESsjb2EiV2EdA+dEs/7HFGoMbWx1xeI5Hv4 cqyFyGqDQfL8QwRUJfwDcy05nWlRqLlHc2Hrh783XNN7sQdtFIaXOzJ9xFAWHSmX4h56 iIX19Ss/vmxlX1br5LEMWZ/3oj8OyzM6mrxQROXMXGdzPPfRD3jZYZOmR0TLyBo6y0BR TzmHgoEZfnNUuz9hrw7LU/mO9G2rhPT9hFgbqMbmK+gxHazunkW+IU1NsLTNGl84qMx6 /8sg== X-Gm-Message-State: AOAM5309ytF1Dqn6XjP1VAXhXIZxqpFlHhFSIN7VColGhZTqsfK6MrHs 4GQZxQCl29rkvUmHjMkijhJFQjsTAuqvxfGHBRG85W1QmcyGVw== X-Google-Smtp-Source: ABdhPJzATY+xx53rePhjmogF98Cg/tG6/EcAKKaw1lMXJB1YoWjyt3F7NCvI/eV//cYWS2hoSWLcEmonJEAtMN8nwrM= X-Received: by 2002:a0c:f552:: with SMTP id p18mr4393695qvm.40.1618001201195; Fri, 09 Apr 2021 13:46:41 -0700 (PDT) MIME-Version: 1.0 References: <731c6353-1adb-f66c-6ff4-d89b257fd0eb@bitsavers.org> In-Reply-To: <731c6353-1adb-f66c-6ff4-d89b257fd0eb@bitsavers.org> From: Clem Cole Date: Fri, 9 Apr 2021 16:46:14 -0400 Message-ID: To: Al Kossow Content-Type: multipart/alternative; boundary="000000000000d8052905bf9042c8" Subject: Re: [TUHS] SUN (Stanford University Network) was PC Unix 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 main list Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" --000000000000d8052905bf9042c8 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, Apr 9, 2021 at 4:08 PM Al Kossow wrote: > On 4/9/21 1:02 PM, Earl Baugh wrote: > > > And the original CPU boards didn=E2=80=99t have an MMU. > > wrong > > They didn't have a 68010 capable of recovering from page faults > > The original unix shipped on Sun 1's was a Unisoft port. The same > one sold by several other companies that sold the original Sun CPU > design.l > Right on both counts - his base/limit MMU even had a small PID/Context register which was pretty slick at the time. The MMU I created with Roger Bates for the Tektronix Magonia was not that smart and when I first saw it I did a face plant -- why didn't I think of that. =E1=90=A7 --000000000000d8052905bf9042c8 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Fri, Apr 9, 2021 at 4:08 = PM Al Kossow <aek@bitsavers.org= > wrote:
On 4= /9/21 1:02 PM, Earl Baugh wrote:

> And the original CPU boards didn=E2=80=99t have an MMU.

wrong

They didn't have a 68010 capable of recovering from page faults

The original unix shipped on Sun 1's was a Unisoft port. The same
one sold by several other companies that sold the original Sun CPU
design.l
Right on both counts - his base/limit MMU= even had a small PID/Context register which was pretty slick at the time.= =C2=A0 The MMU I created with Roger Bates for the Tektronix Magonia was not= that smart and when I first saw it I did a face plant=C2=A0-- why didn'= ;t I think of that.
3D""=E1=90=A7
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