I only really wish to expand my a1200 DD with accelerators. 
Upon reading it could be a 1D4 mobo, but wont know for certain until I look.
 
I have a Amitek Hawk 4/8mb ram card I could put in my pristine AT a1200 model.
 
 
I do have the heavy type A500 PSU, it weighs a ton, literally lol...