Mainboard Versions

CPC464 Original version

• Board: PT NO Z70100, Copyright 1983
• Original version. Big mainboard, old Gate Array (with cooling plate). Real wires going to keyboard.

Note: There's also another very similar (older or newer) board:

• Board: PT NO 270100 (this one is 270100, not Z70100), MC0001A, Copyright 1983

CPC464 Revision 1

• Board: PT NO Z70200, MC0002D, Copyright 1984
• Big mainboard, separate soldering points for old and new Gate Array (with changed pin-outs). Fragile plastic wires going to keyboard.

CPC464 Revision 2

• Board: PT NO Z70374, MC0044A
• Medium sized mainboard. Seems to be same as Revision 1, but components arranged more tightly.

CPC464 Revision 3 (cost-down)

• 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?

• Board: PT NO Z70205, MC0005A

CPC6128 Original version?

• Board: PT NO Z70290, 94HB, R1706, Copyright 1985

CPC6128 Revision (cost-down)

Tiny mainboard. Uses 100pin SMD Gate Array (combines the old Gate Array and PAL, CRTC, and some FDC/DRAM/RESET logic in one chip).

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

• Board: 2700-017P-4, MC0123C, Copyright 1990

See also

• Amstrad part numbers - Part Numbers for PCBs and Chips