2.11 BSD on an 11/93 with an CMD SCSI Module

Josh Dersch derschjo at gmail.com
Sun Mar 31 15:29:53 CDT 2019


On Sun, Mar 31, 2019 at 12:50 PM Bill Gunshannon via cctalk <
cctalk at classiccmp.org> wrote:

>
> It's been a fun journey but I finally have 2.11 BSD (Patchlevel 431)
> running on my real 11/93.
>
> On to the next challenges.
>
> Does anyone know which serial device I should configure for in order
> to get the other serial lines working?  Everything I read says they
> are DL lines and calls the builtin controller a DLV22.  There is no
> such device in the 2.11 config.  Any suggestions?
>

I believe the console plus the seven additional serial lines show up as
individual DL11 units; these are configured via the NKL parameter in your
kernel configuration.  Set it to 8 and see what happens...


>
> Also having trouble with the ethernet.  It won't come up.  Are there
> network modules that do not work under 2.11?
>

Can you elaborate as to what you're doing here (what hardware, how you're
bringing it up, etc) and what errors you're getting or what behavior you're
seeing?


>
> Any chance that any of this will be fixed if I go ahead and patch it
> up to 450?  I was holding out doing the additional patching until I
> had everything running but maybe because the 11/93 was the last PDP-11
> made maybe there is stuff in there that was added later.
>
> I plan to go at it slowly as I had a lot of patches that failed when
> I was doing this on a simulator but I want to try and get all of them
> to work on this system.
>

It can't hurt anything, but my guess is that it's unlikely to solve your
networking issues.

- Josh



>
> At least I now have a real PDP-11 with a TMSCP tape working so I can
> try making some real tapes for other things.  I have four PDP-11s
> set up right now with various configurations.  I hope to have all of
> them running something before I am done.


> bill
>


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