QBus termination?

Vintage Computer Festival vcf at siconic.com
Mon Feb 7 22:14:00 CST 2005


On Mon, 7 Feb 2005, Vintage Computer Festival wrote:

> On Mon, 7 Feb 2005, Patrick Finnegan wrote:
>
> > >    I also have a Qbus terminator board.  No bootROMs or diags, just
> > > the terminator.
> >
> > I've got one of those (M9400) from my 11/03 that's in my 11/780, so I
> > guess I discounted that.  None of the machines I've had have *required*
> > termination in order to work, however.
>
> The M9400-YA does have boot PROMs.  I've got one in this 11/23.  The weird
> thing is that the DSD-440 controller was in this system originally, and it
> has its own boot PROMs.  However, the terminator is in a second bus
> segment.  Does that make a difference?

Duh, what I meant is that the M9400-YA is in a second bus segment.  So
does the bootstrap on there not conflict with the bootstrap on the DSD
controller because they are in different segments?  Somehow I doubt that.

-- 

Sellam Ismail                                        Vintage Computer Festival
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