On Feb 7 2005, 18:25, Patrick Finnegan wrote:
> On Monday 07 February 2005 18:18, Vintage Computer Festival wrote:
> > So what's the definitive requirement for terminating QBus? I get
> > various non-answers from various people and it's quite annoying.
> >
> > How does one properly terminate Qbus?
>
> The CPU terminates one end, and no terminator is required at the far
> end, unless you connect chassis together. No machine I've ever seen
> has had a QBUS terminator in it (other than the termination the CPU
> provides)
Then you can't have seen many normal systems :-) 11/03 and 11/23
systems in BA11-N or similar boxes normally have a BDV11 at the end of
the bus, and that terminates it. BA23 and BA123 backplanes have the
far-end terminators on the backplane itself.
--
Pete Peter Turnbull
Network Manager
University of York
Received on Mon Feb 07 2005 - 20:03:14 GMT