On Wed, 4 Mar 1998, Scott Ware wrote:
> On Wed, 4 Mar 1998, Marty wrote:
>
> > I've got the Sol-20 up where I can see the monitor prompt '>' but
> > there is garbage on the screen which I have yet been able to get rid
> > of and attempts to load off a cpm diskette (that came with this
> > package) have failed thus far.
>
> Is the keyboard working properly? The Sol-20 keyboard is a capacitive
> unit in which pressing a key pushes the insulated side of a piece of
> one-size metallized Mylar film against plates on the printed circuit
> board, changing the capacitance. These pieces of film are attached to the
> key mechanism with foam. Over the course of time, this foam
> disintegrates, the metal backing mysteriously disappears from the film,
> and pieces become detached from the keys and rattle around inside the
> keyboard wreaking havoc.
(shameless plug warning)
BTW: I have rebuild kits for these keyboards available. ($25/ea -
replacements pads and instructions) Details on my website...
(at least it was on-topic, no?) B^}
-jim
---
jimw_at_agora.rdrop.com
The Computer Garage - http://www.rdrop.com/~jimw
Computer Garage Fax - (503) 646-0174
Received on Wed Mar 04 1998 - 13:16:43 GMT