ATT 3b1 mouse

David Griffith dgriffi at
Tue Sep 19 01:28:26 CDT 2006

On Mon, 18 Sep 2006, Paxton Hoag wrote:

> > > > Does anyone know what sort of interface the AT&T 3b2 uses for its mouse?
> > > > I found one which is missing its mouse.
> > Sorry. I meant the 3b1 (aka Unix PC)
> I think it was a logitech two button rectangular wedge shaped mouse
> used by lots of vendors. They came in both serial and parallel, I
> think the AT&T one was serial. It has been a long time. Both had a D 9
> pin connector.
> A picture search on google "3b1"  brought up a poor picture of the
> mouse with one. Hard to see what it actuually is.
> I had several 3B1s go through my hands in the early 1990s.

Logitech sounds right.  Here's a good picture clearly showing a 3-button

David Griffith
dgriffi at

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