Changes
/* Z80 Bus board / backplane */
|[[File:Z80 bus board layout.PNG|thumb|Z80 bus board layout]] || |[[File:Z80 bus board 3D.PNG|thumb|Z80 bus board 3D view]]
|}
It needs a quick rethink though, because I would like to add some additional lines for special host pins such as are found on the PcW.
=== PCW Serial / parallel port ===
