[E3-hacking] Anyone know the Pinout of the Amstrad E3 Videophone Mailboard

Hi Long time no speak… 😊 Anyone know the pinout ,I want to connect it to a PS/2 connector, The PS/2 connector has 6 pins when the Mailboard has 4 pins…? Anyone..? Spanner.. http://amstrad-e3-hacking.freeforums.net