Getting serial comms to it isn't the problem I'm trying to solve because the photos are on a CF card. There are 320x240 images that are just a plain JPEG, and s

Getting serial comms to it isn't the problem I'm trying to solve because the photos are on a CF card. There are 320x240 images that are just a plain JPEG, and some larger ones, about 500-odd by whatever, that are in a funny proprietary format. I had this working about 25 years ago...