On Tue, 8 Feb 2005, Pete Turnbull wrote:
> 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.
Ugh. Round and round...
:/
--
Sellam Ismail Vintage Computer Festival
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Received on Mon Feb 07 2005 - 22:02:05 GMT