I am aware of the following boards:
As far as I know the MEK6809D4 can also be used with these I/O boards.
The two 24 pin sockets on the left are the I/O for the two PIAs. The unpopulated area on the top right hand side is for an MC68488 GPIB interface.
(What happened to http://www.68bits.com?)
|(This page last modified 2017-05-12)