Changes
== CPC464 Original version ==
[[Image:CPC464 pcb r1.jpg|200px]]* Board: PT NO Z70100, Copyright 1983* Original version. Big mainboard, old Gate Array (with cooling plate). Real wires going to keyboard.
== CPC464 Revision 1 ==
* Big mainboard, separate soldering points for old and new Gate Array (with changed pin-outs). Fragile plastic wires going to keyboard.
== CPC464 Revision 2 ==
* Medium sized mainboard. Seems to be same as Revision 1, but components arranged more tightly.
== CPC464 Revision 3 (cost-down) ==
[[Image:CPC464 pcb r3.jpg|200px]]* Board: PT NO Z8032(9?), Copyright 1988* Tiny mainboard. Uses 100pin SMD Gate Array (combines the old Gate Array, CRTC, and some FDC/DRAM/RESET logic in one chip).
== CPC664 Original version ? ==
[[File:CPC664 PCB Top...jpg|200px]]* Board: PT NO Z70205, MC0005A
== CPC6128 Original version ? ==
== CPC6128 Revision (cost-down) ==
== CPC 464+/6128+ ==
* Same mainboard is used in 464+ and 664+ (though not all components installed in 464+, and with different [[LK Links]].Uses 160pin SMD Gate Array (ASIC).
== GX4000 ==
[[File:GX4000 PCB Top...jpg|200px]]* Board: 2700-017P-4, MC0123C, Copyright 1990
