== Vortex -S and -D Drives (720K/disk) ==
* '''F1 - S''' Single 5.25" drive with power supply connected via ribbon cable to interface with [[FDC|NEC765]] and[[VDOS]] 1.0* '''F1 - D''' Double 5.25" drive with power supply connected via ribbon cable to interface with [[FDC|NEC765]] and[[VDOS]] 1.0* '''M1 - S''' Single 3.5" drive with power supply connected via ribbon cable to interface with [[FDC|NEC765]] and[[VDOS]] 1.0* '''M1 - D''' Double 3.5" drive with power supply connected via ribbon cable to interface with [[FDC|NEC765]] and[[VDOS]] 1.0
These are the original drives from Vortex, for use on CPC 464. The interface supports one or two 80 track drives, additionally a 3" [[Amstrad Disk Drive|FD-1]] can be connected as third drive, ie. unlike most other CPC disk interfaces it supports more than 2 drives. With [[VDOS]] only two drives are accessible at one time.