Re: TRS80, other than model 1

[Peter Cetinski]

The double cassette ports.

> On Jun 13, 2015, at 4:08 PM, tony duell <a...@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?