Changes
/* CPC464 version 1 (original) */ inserted actual thumbs
|''PCB Top'' ||''PCB Bottom'' || Description
|-
|[[File:CPC464 Z70100 Tomdalby.jpg|thumb|200px]] || || '''Board: PT NO Z70100, without any "MCnnnn" code, Copyright 1983'''<br>Original version. Real wires going to keyboard.
|-
|-[[File:CPC464 Z70100 MC0001A RobertoCarlos.jpg|thumb|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.
|-
|[[File:CPC464 270100 Grimware_crop.jpg|thumb|200px]] || || '''Board: PT NO 270100, MC0001A, Copyrigh 1983'''<br>Same as "Z70100 MC0001A", but with uncommon text layer: labeled "270100" (not "Z70100"), says "Copyrigh" (not "Copyright"), and, unlike all other boards, its text has slashed zeroes.
|-
|[[File:Z70100_MC0001A_TOP.jpg|thumb|200px]] ||[[File:Z70100_MC0001A_BOT.JPG|thumb|200px]] || '''Board: PT NO Z70100, MC0001A, Copyright 1983'''
|-
|}
