270100 P.C.B. CPC464 version 1 (one variant) (1983)
Z70100 P.C.B. CPC464 version 1 (another variant) (1983)
Z70101 P.C.B. CPC464 version 1 keyboard with soldered wires Z70102 P.C.B. CPC464 version 1 keyboard with 20 pin connector (only 19 pins used) Z70102 P.C.B. CPC464 cassette sub-board(note that this pcb shares part number with the keyboard assembly !)
Z70200 P.C.B. CPC464 version 2
Z70205 P.C.B. CPC664