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]], the [[SC-3000|Sega SC-3000]], [[NEC PC-98]], and the [[PC|IBM PC]] (including [[Amstrad PC]]).
The recommended ports used by Amstrad and compatible interfaces are: