Wolf wrote:
> i had read somewhere on this list i think that the original (128, 512, 
> Plus) Mac mouse interface was some custom serial job.

They aren't serial, they use signals directly off the optical encoders 
and clicker.

> 
> old PC mice on the other hand are usually standard RS-232 devices

Some are, some are known as bus mice and use a matching PCI / ISA 
interface card.

-- 
Clark Martin
Redwood City, CA, USA
Macintosh / Internet Consulting

"I'm a designated driver on the Information Super Highway"

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