[geeks] Qbus Backplanes

[vance at neurotica.com]

On Wed, 4 Jun 2003, Jochen Kunz wrote:

> > Hello people.  Is there any way to tell if a backplane is QQQQ or QQCD
> > by looking at it, and without having to pull the backplane out of the
> > chassis?
>
> Ohm-meter and Qbus wiring diagram? It should be easy to trace the QBus
> at the BIAKI (pin AM2) / BIAKO (pin AN2) and BDMGI (pin AR2) / BDMGO
> (pin AS2) lines. This lines are the grant lines that go "serpentine"...

And do you know where I could get a wiring diagram?  This sounds like my
best option.

Peace...  Sridhar