I'm fitting a Marpet 4MB upgrade to my STFM today. What a hassle! PLCC socket hot glued on top of the surface mount MMU, interposer board inside the metal can and further mods needed to disable the onboard RAM.
Impressive! I would've chosen another method as soon as I saw the surface mount.
Discussions on vintage and retrocomputing
Impressive! I would've chosen another method as soon as I saw the surface mount.