| 14 || GND || /AutoLF
|-
| 15 || NC (or, CPC464CPC664: Connects to Pin16) ||
|-
| 16 || GND (or, CPC464CPC664: Connects to Pin15) ||
|-
| 17 || NC ||
* Note: Despite of using a '''34pin''' edge connector, Amstrad used a '''36pin''' Centronics-style pin numbering. Pin 18 and Pin 36 do not exist on the 34pin edge connector.
* As shown above Pin9 is wired to GND (instead of Data 7), for upgrading, : see [[8bit Printer Ports]].
== CPC Plus and KC Compact Pinout ==