1) because they need to keep reinforcing until the very last SA400 is buried.
On Sat, 20 Aug 2022, geneb via cctalk wrote:
Fred, Don't forget the SA390 in every Disk II. ;)
The first Disk II's were SA400's with the logic board removed.Once they had volume (not prototypes), Shugart started leaving off logic boards from some SA400s, to sell to Apple as SA390.
