[rescue] Interface info for IBM Dials and Buttons boxes?

[Eric Webb]

On Thursday 21 February 2002 06:48 pm, you wrote:
> >
> > One oddity.  Pin 22 of the DB25 is tied _directly_ to the five
> > volt supply.  My guess is that these critters support more than
> > one machine (via more than one adaptor cable). I suspect that
> > they could probably plug into a "special" mini-din port on the
> > back of an RS6000 which may have supplied power along with data,
> > or they could be used with other IBM systems via the RS232 cable
> > and a power brick adaptor.
>
> The RS/6000 does indeed have a 9-pin tablet connector.  The way you hook
> these up is:
>
> RS/6000 Tablet Port --> Spaceball --> Dials --> Buttons --> Tablet.
>
> The tablet must be on the end, because it doesn't have a daisy-chain port.
>

When I last looked at the book for these things I remember seeing that an 
RS-232 port came in there somewhere in addition to the tablet port.  Now, 
where did I see that book at....

-E.