Help identifying mystery Unibus board

[Tony Duell]

On Tue, Sep 24, 2019 at 9:15 AM Tony Duell <ard.p850ug1 at gmail.com> wrote:
>
> On Tue, Sep 24, 2019 at 9:13 AM Bill Degnan via cctalk
> <cctalk at classiccmp.org> wrote:
> >
> > > >
> > > >
> > > > Here's the full board, for reference:
> > > >
> > > > http://yahozna.dyndns.org/scratch/random/board1.jpeg
> > > >
> > > > Thanks,
> > > > Josh
> > > >
> > >
> > > /Mattis
> > >
> >
> > You confirmed it is not Omnibus bd, like a drive bootstrap board?
>
> I think with that many address switches, a 'vector' switch, the grant
> jumpers and the connector at that end it's Unibus.
>
> -tony