[[File:CPC664 D-o-S membrane unrotated.jpg|380px|left]]
* '''CPC 664 Keyboard Circuit'''
* [https://deskthority.net/wiki/Mitsumi_KPR_Type Mitsumi KPR Type ] Keyboard similar to the [https://deskthority.net/wiki/Commodore_Amiga_500#Mitsumi_KPR_Type Amiga 500]
* Single foil (with 19pin connector).
* Connections are closed when the key touches the contacts on the foil.