Re: [midatlanticretro] trs 80 model I "i/o bus interface adapter"
>somewhere? Could mean a couple things. Could be someone's explanation of
> --- On Sun, 2/6/11, Bill Degnan <billdeg@...> wrote:
> > What is this exactly, the trs 80
> > model I "i/o bus interface adapter"?
> Do you have the hardware, or are you looking at a list of stuff
the Expansion Interface box. Or, it could be one of the buffered cables to
connect the TRS-80 to the E/I. Somewhere I think I have one, that's just a
red ribbon cable with a little box in it, containing a bunch of bus
buffers. I think it was just a feeble attempt to improve the reliability of
the terrible tin-plated connector/ribbon cable mess that goes between the
E/I and the computer. The correct repair is to solder gold plated headers
onto both and use a better cable...
>plugged into the expansion port.
> Or, I do believe there was an S-100 interface box for the Model 1 that
>It's a box about a 1/4 of the size of the model 1 expansion interface.
normally this would be used as such:
mod 1 expansion interface ---> i/o bus interface adapter --> hard drive
The LNW80 is a combo model 1 with exansion interface, but otherwise cabled
the same way. The lnw allows for use of disk drives and a hard drive,
where the model 1 does not (apparently)