TRS-80 Model 1 (was: Arty computers (was: Re: PDP-11/70 in Yates Center, KS)

[Chuck Guzis]

On 4 Feb 2007 at 9:32, Jim Isbell, W5JAI wrote:

> Another thought...Since this was, at the time, the only one and apparently
> in use BEFORE the public had access to the model, that it was an earlier
> model that had been upgraded to the performance specs of the 7070 for the
> government in advance of the 7070s being released as a solid state machine
> and so therefore we referred to it as a 7070??  It was my understanding at
> the time that ours was the only one in existence and then later we heard
> that others had been built.

Another possiblity--the Ampex tape drives wouldn't have been standard 
at the time; it would have been IBM 729's.  Could this have been a 
7070 hybrid setup of some sort with non-IBM peripherals perhaps using 
tubes?

I'm just tossing something out that may help to explain things...

Cheers,
Chuck