µPD765 - Floppy Disc Controller (used in CPC 664, CPC 6128, 6128 Plus and [[DDI-1]] expansion).
Besides the Amstrad CPC, this chip equipped the [[PCW|Amstrad PCW]], the [[ZX Spectrum|ZX Spectrum +3 ]] and the [[PC|IBM PC]] (including [[Amstrad PC]]).
The recommended ports used by Amstrad and compatible interfaces are: