|''PCB Top'' ||''PCB Bottom'' || Description
|-
|[[File:CPC464 CPC464_PCB_Top_(Z70100 Tomdalby)_GA40007-4.jpg|200px]] || [[File:CPC464_PCB_Bottom_(Z70100)_GA40007-4.jpg|200px]] || '''Board: PT NO Z70100, without any "MCnnnn" code, Copyright 1983'''<br>Original version. Real wires going to keyboard.<br> [[Media:CPC464 Z70100 Tomdalby.jpg|another picture]].
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|-[[File:CPC464 Z70100 MC0001A RobertoCarlos.jpg|200px]] || || '''Board: PT NO Z70100, MC0001A, Copyright 1983'''<br>Keyboard connector now has two rows of soldering points; probably intended to support two different connectors:<br>The old PCB keyboard with wires, and the new CPC664-style 19pin single-foil "membrane" keyboard.