[Simh] [SimH] Networking support

[Clem Cole]

On Sat, Mar 12, 2016 at 12:25 PM, Anders Magnusson <ragge at ludd.ltu.se>
wrote:

> DG-UX or MV/UX?
>
​Which was the rewrite of System V ?? i.e. System V cmd system, but
internally developed System V SMP kernel -- I want to say DG-UX maybe; but
I'd been a long time and many beers ago - I've forgotten the name.   I
remember it was a very clean UNIX implementation.   Nice locking structure,
easy to debug, etc...

Locus was working on different projects with Ultrix, Tru64, VMS, AIX,
SunOS, Solaris, HP-UX, Apollo, DG's UX, some work for Pr1me, ISC's 386/ix,
Intel's 386 port, SVR4 for the AT&T/UI guys, and Intel's Paragon at the
same time.  At one point, I had the OS release schedules for HP, DEC and
Sun all pasted on the wall behind my desk.  I used to say LCC got to see
everyone's dirty laundry in those days.  As I said, I do remember the DG
Unix re-implementation was very easy to work on (I will not say which one
we cursed the most).




> The DG ethernet card has a 82586 on board.
>
​As I said, many beers ago. I'm undoubtedly mixed up a couple of the
systems, since we had so many we worked with in those days.  I remember the
AMD chip was a lot easier to program than the Intel device. That said, I
suspect that I have the docs on the Intel chips somewhere, but it sounds
like others have the DG docs which are going to be better for simh purposes.

​Clem​
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