🚀 go-pugleaf

In article <6JAN199323581829@reg.triumf.ca> noel@reg.triumf.ca (NOEL GIFFIN) writes:
> In article <1993Jan7.070834.293@netcom.com>, sspatter@netcom.com (Samuel Scott Patterson) writes...
> >Hello again.
> > 
> >     Does anyone know if there was ever an ethernet card produced for 
> >Unibus?  If so, what are it's system requirements?  Will it run on an
> >11/34a with 256K of 18bit words?  also, about how much do they run, both
> >new and used?  Also, I would like to get TCPI protocol if this exists in
> >raw PDP-11/34 octal. :)  Or uncompiled equivalent.
> > 
> 
> 	The card I believe was called a DEUNA which was the unibus precursor to
> the infamous DEQNA q-bus DECNET/ETHERNET interface. They connected to
> thickwire ethernet using an H4000 or a DELNI port.  You could probably still
> find them but I wouldn't guarantee that they would work anymore. At least
> not with DECNET.  I think they tried to phase out all the DEQNA's due to some
> hardware incompatibility with the evolving spec's to DECNET.  I can't be
> really certain of this as there were problems with RSX11M decnet software
> and incompatibilities with new VMS releases.  I kept a DEQNA going on an RSX
> system right up until the router went to VMS 5.3 though. The same may
> have been true for the DEUNA's as well.  They were very early network
> technology and were big, fat and ugly to look at.  

RSX has no problem with the DEUNA, DELUA, DEQNA, or DELQA.  The issue with
the DEQNA was specific to VMS.  The DELUA and DELQA are faster, however.

-- 
----------------------------------------------------------------------------
Jerry C. Hudgins                   Internet: jerry%marin.uucp@seq.uncwil.edu
125 Cherokee Trail                 UUCP    : uunet!marin!jerry
Wilmington, NC 28409-3407 (USA)    Voice   : (919) 392-2358