TRS80, other than model 1

[tony duell]

>
>The double cassette ports.

Exactly. The switching relay in the expansion interface. 

Did anyone ever use this feature?

> > On Jun 13, 2015, at 4:08 PM, tony duell <ard at p850ug1.demon.co.uk> wrote:
> >
> > Trivia question : What feature was present on all disk based M1s (in fact any M1 with an expansion
> > interface) but not on any M3 or M4 machines?

-tony