From: devin davison <lyokoboy0@gmail.com>
Cc: tuhs@minnie.tuhs.org
Subject: Re: [TUHS] Fwd: Choice of Unix for 11/03 and 11/23+ Systems
Date: Mon, 21 Sep 2020 19:16:15 -0400 [thread overview]
Message-ID: <CAOpB=UOYsij7LRc=oAnTbrNNg4k5e0w0ra67vHzYnqVHfJbFXg@mail.gmail.com> (raw)
In-Reply-To: <20200921193728.7B84918C0F2@mercury.lcs.mit.edu>
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Nice find. What does the label on the big hard drive read? I have found a
similar drive with a worn label and i am trying to see if i can find a
system to connect it to.
On Mon, Sep 21, 2020, 3:38 PM Noel Chiappa <jnc@mercury.lcs.mit.edu> wrote:
> > From: Paul Riley
>
> > Using LSX on the 11/03... Will LSX handle cards with multiple serial
> > ports?
>
> Ah, I just read this carefully; LSX only supports a single user at a time,
> so
> there's no use to multiple serial lines? (But see below.) (I thought Heinz'
> reply message to this referred to Mini-Unix, which does suppport multiple
> users, but on reading it again I see it does not.)
>
>
> If you want multiple users on an -11/03, Mini-Unix would be an option; it
> doesn't support the -11/03 'out of the box', but looking at it, it
> shouldn't
> be too hard. (Heinz mentioned that it had been done before.) Change all
> cases
> of 'mov xx, PS' in mch.s:
>
>
> https://minnie.tuhs.org//cgi-bin/utree.pl?file=Mini-Unix/usr/sys/mxsys/mch.s
>
> to 'MTPS xx' (PS access needs a special instructtion in the /03); that
> might
> be all you need to do. (Installing a KEV11-A, so you can avoid using the
> instruction emulation package for EIS instructions would be nice, but
> apparently isn't required.)
>
>
> If Mini-Unix supports multiple users, it ought to be possible to do the
> same
> with LSX. (I'm not sure what the rationale was for making LSX single-user:
> perhaps the RX was too slow; perhaps there was no need in their use case;
> etc.)
>
> But it would probably be more work than going the Mini-Unix route; e.g.
> to start with, init only supports a single user:
>
> https://minnie.tuhs.org//cgi-bin/utree.pl?file=LSX/src/init.c
>
> and the tty driver:
>
> https://minnie.tuhs.org//cgi-bin/utree.pl?file=LSX/sys/tv.c
>
> only supports a single line. One could cross-port the needed 'stuff' from
> Mini-Unix, but it'd probably be easier to do the Mini-Unix -11/03
> conversion.
>
> Noel
>
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next prev parent reply other threads:[~2020-09-21 23:17 UTC|newest]
Thread overview: 70+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-09-21 19:37 Noel Chiappa
2020-09-21 23:16 ` devin davison [this message]
-- strict thread matches above, loose matches on Subject: below --
2021-02-03 1:25 Noel Chiappa
2020-10-18 21:36 Norman Wilson
2020-10-12 22:43 Noel Chiappa
2020-10-12 19:27 Noel Chiappa
2020-10-10 23:29 Noel Chiappa
2020-10-11 2:30 ` Jay Logue
2020-10-11 23:24 ` Paul Riley
2020-10-12 0:53 ` Dave Horsfall
2020-10-12 1:56 ` Warner Losh
2020-10-12 2:09 ` Andrew Warkentin
2020-10-12 16:57 ` Arthur Krewat
2020-10-18 20:42 ` Michael Huff
2020-10-08 23:49 Noel Chiappa
2020-10-08 16:06 Noel Chiappa
2020-10-06 23:08 Noel Chiappa
2020-10-07 5:24 ` Jay Logue
2020-10-06 20:34 Noel Chiappa
2020-10-06 19:34 Noel Chiappa
2020-10-06 19:04 Noel Chiappa
2020-10-06 14:46 Noel Chiappa
2020-10-06 16:22 ` jay-tuhs9915
2020-10-02 0:39 Noel Chiappa
2020-10-01 12:51 Noel Chiappa
2020-10-02 0:23 ` Paul Riley
2020-09-30 23:16 Noel Chiappa
2020-09-30 18:51 Noel Chiappa
2020-09-30 17:58 Noel Chiappa
2020-09-28 23:21 Noel Chiappa
2020-09-30 1:50 ` Paul Riley
2020-09-27 21:07 Noel Chiappa
2020-09-27 21:12 ` Warner Losh
2020-09-28 0:22 ` Pete Turnbull
2020-09-27 20:50 Noel Chiappa
2020-09-29 13:20 ` Paul Riley
2020-09-25 22:08 Noel Chiappa
2020-09-26 14:52 ` John Foust
2020-09-28 0:03 ` Paul Riley
2020-09-28 0:06 ` Paul Riley
2020-09-24 18:56 Noel Chiappa
2020-09-24 13:04 Noel Chiappa
2020-09-24 18:24 ` John Cowan
2020-09-24 11:02 Paul Ruizendaal
2021-02-03 0:12 ` Greg A. Woods
2020-09-24 1:28 Noel Chiappa
2020-09-23 23:14 Noel Chiappa
2020-09-24 1:09 ` John Foust
2020-09-22 21:51 John Foust
2020-09-22 21:36 Noel Chiappa
2020-09-22 21:46 ` Warner Losh
2020-09-22 21:49 ` John Foust
2020-09-22 15:59 Noel Chiappa
2021-02-03 0:07 ` Greg A. Woods
2020-09-22 0:47 Noel Chiappa
2020-09-21 18:13 Noel Chiappa
2020-09-21 17:59 Noel Chiappa
2020-09-21 18:18 ` Arthur Krewat
2020-09-20 13:12 Noel Chiappa
2020-09-19 15:28 Noel Chiappa
2020-09-21 10:26 ` Paul Riley
2021-01-24 16:07 ` Tom Ivar Helbekkmo via TUHS
2021-01-25 4:58 ` Gregg Levine
2021-01-25 8:21 ` Tom Ivar Helbekkmo via TUHS
[not found] <CAD05_j1bc6DDRtfPkd4QVeWXjwSp73bty46D=2ATozUbHThBWw@mail.gmail.com>
2020-09-19 3:22 ` Paul Riley
2020-09-19 14:20 ` Heinz Lycklama
2020-09-21 13:54 ` Paul Riley
2020-09-21 15:30 ` Heinz Lycklama
2020-09-21 23:27 ` Henry Bent
[not found] ` <4C35E6D2-8ABD-4DC2-BB2F-F15FA5BF30DD@icloud.com>
2020-09-22 0:22 ` Henry Bent
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