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=-1.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HTML_MESSAGE,MAILING_LIST_MULTI,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 17775 invoked from network); 30 Jul 2020 14:02:48 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 30 Jul 2020 14:02:48 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id A1ED19CABC; Fri, 31 Jul 2020 00:02:46 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id E6D5F9C9E7; Fri, 31 Jul 2020 00:01:53 +1000 (AEST) Authentication-Results: minnie.tuhs.org; dkim=pass (1024-bit key; unprotected) header.d=ccc.com header.i=@ccc.com header.b="Sddnxprx"; dkim-atps=neutral Received: by minnie.tuhs.org (Postfix, from userid 112) id 319959C9E7; Fri, 31 Jul 2020 00:01:52 +1000 (AEST) Received: from mail-qt1-f176.google.com (mail-qt1-f176.google.com [209.85.160.176]) by minnie.tuhs.org (Postfix) with ESMTPS id A36729C9E4 for ; Fri, 31 Jul 2020 00:01:51 +1000 (AEST) Received: by mail-qt1-f176.google.com with SMTP id o22so20127542qtt.13 for ; Thu, 30 Jul 2020 07:01:51 -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=w3KzmNOLlpZD+dSUCagOn77ceOarfvECnYV/3TEj+lk=; b=SddnxprxmKuh+R8cKku+2dlLJL3iC1Rqk5i3LLmK/OOFMeO0nRDMJgNOn4dret5Xub 8QI2IU6wGJpBiEgY69TxGxSpB+T12xMYx4oJxAx8k6Oi8TlbKkYFDRiVXtdLPd8kub7N jLiYmx6/4iPWOHyBZhDCSh8NQ1noMjLaOG/zI= 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=w3KzmNOLlpZD+dSUCagOn77ceOarfvECnYV/3TEj+lk=; b=MuOzjEPY3stid2bgouMLcqKR/A6il4UQB4IZC6PvXvcCw3lYt8F3zcnL6XSuED7dLC /TWBlUodCmPHGw7n4rLhBzOwKlEFlI5YWAbAUmjg8E55tRoFRH8Z8QCjhdW2DXGPbMd8 agiEnab3d68KXpG2389sL93utvCwxArp49GT/DB/tWz++v+H32fsb2MGPN6zpbC91o98 yQzv9m3iAxlcZkPa1MSPeQEo+jB8GkDqIKxP1YEkgPEiEbjOiKv50VIVQTt9Zq1m+fTb wkynOCwffTtkLvFCJp9oy/aGh3Duodff1cx/yQcUO076e2nmL3tq49vEn3Bi+sVWWG8h M8DQ== X-Gm-Message-State: AOAM533ucxADUWoRrV2OkwSlCz5qBMBOL4EmORovhRPlQkXnG8VU2WkN I8kutLFHL/aLpJjmX9JeMFSbjgyYaCz/VURICcgxpg== X-Google-Smtp-Source: ABdhPJz0JEkWecCqmptnRlxqpdyNVdBwfveQiI5WWLb/J3Ey/S72SYAUYV6vhkQUTk3VMDBJuOJ9Mpbf8zbA4L9vq4w= X-Received: by 2002:ac8:445a:: with SMTP id m26mr2915927qtn.253.1596117710613; Thu, 30 Jul 2020 07:01:50 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: From: Clem Cole Date: Thu, 30 Jul 2020 10:01:24 -0400 Message-ID: To: Will Senn Content-Type: multipart/alternative; boundary="000000000000294efb05aba91ded" Subject: Re: [TUHS] Will pdp 11/04 run 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" --000000000000294efb05aba91ded Content-Type: text/plain; charset="UTF-8" s/note the data/note the date/ <-- dyslexic typing -- sigh. On Thu, Jul 30, 2020 at 9:53 AM Clem Cole wrote: > PDP 11/04, like 11/03,11/05, 11/15, 11/20 lacks an MMU. So the > traditional releases from Research, USG, UCB will not boot. > That said, V1 which ran without it might work with some tweeking as they > did not yet have one. And if you could find a KS-11 MMU that Ken and > Dennis had for the 11/20 (which was designed by DEC CSS), theoretically > next versions could be made to run. The problem is that while many of us > have looked a: we can not find a KS-11 in real life (CSS did make that > many), b: we can't even find documentation about it (Ken's surviving code > is the best doc we have). > > FYI: go to bitsavers and download a copy of the PDP-11 Processor > Handbook, but note the data. You probably will want (at least) both > an early and a later one, as the later ones often dropped details about > some of the models that were not being manufactured. For instance, I have > a couple of different ones, and the '78 version really one talks about > 04/34/45/55/60 - the previous processors like 03/15/40 are not included. > So you need an early 70's version to include them, and later versions for > the 44/90 etc. > > BTW: Page 4 of same, have a graphic showing the HW requirements for the > DEC OS's. On the X-axis is the OS, the Y axis the model. RT-11, MUMPS-11, > RSX-11M, RS-11S are the only OS's that were supported for the 04. > > Here is a hint, if the processor could not support RSTS, it is unlikely it > could support UNIX. > > > > On Thu, Jul 30, 2020 at 9:17 AM Will Senn wrote: > >> The question is can I run Unix on a PDP 11/04? I've dug around and it's >> unclear to me, so I'm asking y'all. >> >> Will >> >> -- >> GPG Fingerprint: 68F4 B3BD 1730 555A 4462 7D45 3EAA 5B6D A982 BAAF >> >> --000000000000294efb05aba91ded Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
s/note the data/note the date/=C2=A0 <-- dyslexic typing -- sigh.

On Thu, Jul 30, 2020 at 9= :53 AM Clem Cole <clemc@ccc.com>= wrote:
PDP 11/04, like 11/03,11/05, 11/15, 11/20 lacks=C2=A0an MMU.=C2= =A0 =C2=A0 So the traditional releases from Research, USG, UCB will not boo= t.
That said, V1 which ran without it might work with some tweeking= as they did not yet have one.=C2=A0 And if you could find a KS-11 MMU that= Ken and Dennis had for the 11/20 (which was designed by DEC CSS), theoreti= cally next=C2=A0versions could be made to run.=C2=A0 =C2=A0The problem is t= hat while many of us have looked a: we can not find a KS-11 in real life (C= SS did make that many), b: we can't even find documentation about it (K= en's surviving code is the best doc we have).

FYI:= =C2=A0 go to bitsavers and download a copy of the PDP-11 Processor Handbook= ,=C2=A0but note the data.=C2=A0 You probably will want (at least) both an= =C2=A0early and a later one, as the later ones often dropped details about = some of the models that were not being manufactured.=C2=A0 =C2=A0For instan= ce, I have a couple=C2=A0of different ones, and the '78 version really = one talks about 04/34/45/55/60 - the previous processors like 03/15/40 are = not included.=C2=A0 So you need an early 70's version to include them, = and later versions for the 44/90 etc.

BTW:=C2=A0 Page = 4 of same, have a graphic showing the HW requirements for the DEC OS's.= On the X-axis is the OS, the Y axis the model.=C2=A0 RT-11, MUMPS-11, RSX-= 11M, RS-11S are the only OS's that were supported for the 04.
<= br>
Here is a hint, if the processor could not support RSTS, it is = unlikely it could support UNIX.



On Thu, Jul = 30, 2020 at 9:17 AM Will Senn <will.senn@gmail.com> wrote:
=20 =20 =20
The question is can I run Unix on a PDP 11/04? I've dug around and it's unclear to me, = so I'm asking y'all.

Will
 
--=20
GPG Fingerprint: 68F4 B3BD 1730 555A 4462  7D45 3EAA 5B6D A982 BAAF
--000000000000294efb05aba91ded--