Cleaning house since movement therein has become difficult and while
trashing out an old piece of equipment came across a SBC consisting of
a Rockwell 6501 that ran a credit card reader. It has RS232 and what
looks like room for a peripheral chip of some ilk. Viewing at
<http://elipsoid.home.comcast.net/IMG_5640.JPG
.
If there is any interest, first respondent takes it for postage.
CRC