Interfaces that use other chipset or other I/O ports as than Amstrad's official interface - these interfaces aren't compatible with the standard Amstrad interface (nor are they compatible with each other):
* [[Albireo]] (serial port interface with USB device converter built-in, for link with another computer)
* [[Aleste 520EX]] (a CPC clone with built-in RS232, intended for serial mouse)
* [[AMSSIO]] (RS232 interface) (DIY)
* [[Dual RS232]] ([[Timatic Systems]])
* [[Unknown RS232 Interfaces]]
* http://cpcrulez.fr/hardware_communiquer_avec_son_AMSTRAD_CPChardware_dossier-communiquer_avec_son_AMSTRAD_CPC_CA.htm - lists some further serial interfaces
== Web links ==