[TUHS] Fwd: Choice of Unix for 11/03 and 11/23+ Systems

Henry Bent henry.r.bent at gmail.com
Tue Sep 22 10:22:35 AEST 2020


You're welcome.  Other theoretical alternatives are one of the later 2.9BSD
patches, though I have had no success getting those to run on anything, and
maybe BRL UNIX from the CSRG DVD?  I would appreciate hearing from anyone
who has tried to get BRL UNIX running.

-Henry

On Mon, 21 Sep 2020 at 19:36, Paul Riley <pdr0663 at icloud.com> wrote:

> Thanks Henry, that’s an interesting alternative.
>
> I’m trying to get a photo of the drive label.
>
> Paul
>
> Sent from my iPhone
>
> On 22 Sep 2020, at 7:28 am, Henry Bent <henry.r.bent at gmail.com> wrote:
>
> 
> On Fri, 18 Sep 2020 at 23:24, Paul Riley <paul at rileyriot.com> wrote:
>
>>
>> Team,
>>
>> I’ve read thru the FAQ and other sources regarding compatibility of
>> Research and other flavours on the PDP-11. I have two physical machines, an
>> 11/03 and an 11/23+. I’m choosing which version to use on each machine.
>>
>> Is LSX the only option on the 11/03, or could I run V6 or Mini-Unix with
>> more RAM?
>>
>> From the FAQ, it says V7 would support 11/23 with kernel recompilation, I
>> assume includes 11/23+. I see 2.11BSD would also run on a ‘23 (and + I
>> guess) with 1MB or more of RAM, so that would be preferred. I suppose 2.11
>> would be preferable.
>>
>> I also have found another 11/23+ system from a seller here in China.
>> There’s the system, and a VT100, and a hard drive I can’t identify. Here’s
>> a photo, does anyone know what it is? I may bid for it...
>>
>> Paul
>>
>> *Paul Riley*
>>
>
> Ultrix 3.1 should support the 11/23+, which would give you memory support
> up to 4MB as well as support for TCP/IP if you have a DEQNA.  I don't think
> 2.11BSD will run on anything without split I/D which the 23 does not have.
>
> Without a closer view of the label I doubt that anyone could give you a
> definite identification of that hard drive.
>
> -Henry
>
>
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