This website is an archived copy of "Chris's Acorns", now hosted by The Centre for Computing History as part of The Chris Whytehead collection.
To view the page in it's original forms without this header, append "?cfch-archive=orig" to the URL.

Risc Developments ECO/IO board

[Index by function] [Index by Company]

Risc Developments ECO/IO board (top)

Risc Developments ECO/IO board (top)

Risc Developments ECO/IO board (back)

Risc Developments ECO/IO board (back)

The Risc Devlopments ECO/IO board is a mini podule which provides a BBC User port and Analogue port for A30x0 and A4000 computers. On this card there is a 3rd port in the middle, which is not fitted, I am not sure what it was intended to be or if there was an upgrade for it.