This is a shame. Page Not Found now showing on the link above…
This would be useful to a lot of people as these do come up for sale on EBay a lot. I even have one in my A4000D.
, That is almost 10 years ago. Unfortunately, wayback machine never crawled. You could always use the contact form on site to ask.
Maybe this is right link?
https://www.brianhoskins.uk/amiga-1200d-indivision-aga-mkii-installation
