Amstrad part numbers

Part    Description
40007   Gate-Array version 1 (20RA043) (used in CPC464; with heat sink, other pin-outs than 40008/40010)
40008   Gate-Array version 2 (HSG3130) (rare version) (same pin-outs as 40010)
40009   32K ROM; O/S and BASIC for CPC464 (English)
40010   Gate-Array version 3 (HSG3170) (used in newer CPC464 and in CPC664/6128; no heat sink)
40015   16K ROM; DOS for CPC6128 and DDI-1 disc interface
40025   32K ROM; O/S and BASIC for CPC6128 (English)
40026   PCW8xxx printer controller ASIC
40028   PCW8xxx/9xxx main ASIC
40031   16L8 PAL; Ram management CPC6128
40037   32K ROM; O/S and BASIC for CPC464 (Spanish)
40038   32K ROM; O/S and BASIC for CPC6128 (Spanish)
40051   32K ROM; O/S and BASIC for CPC6128 (French)
40054   32K ROM; Spectrum +2
40058   Spectrum +2 ASIC
40077   Spectrum +3 ASIC
40087   PCW9xxx printer controller ASIC
40092   Spectrum +3 ROM 1 (English)
40093   Spectrum +3 ROM 2 (English)
40120   PCW9xxx parallel printer controller ASIC
40226   CPC464 "cost-down" ASIC
40235?  CPC6128 "cost-down" ASIC
40489   CPC+ ASIC
40908   CPC+ cartridge protection chip ("ACID")
41088-1 CPC+ 27C1001 EPROM in System Cartridge (CPC+ BIOS/BASIC, AMSDOS v2, Burnin' Rubber) (130Z001)

Part    Description
30001   P.C.B. 3" Disc drive
30002   P.C.B. 3" Disc drive
270100  P.C.B. CPC464 revision 1 (one variant) (1983)
Z70100  P.C.B. CPC464 revision 1 (another variant) (1983)
Z70102  P.C.B. CPC464 cassette sub-board
Z70200  P.C.B. CPC464 revision 2
Z70205  P.C.B. CPC664 
Z70210  P.C.B. CPC6128 (1985)
Z70211  CPC464 Keyboard Assembly (English) (ribbon cable connectors)
Z70215  P.C.B. CTM644 colour monitor main
Z70216  P.C.B. CTM644 colour monitor brightness control
Z70217  P.C.B. CTM644 colour monitor cathode ray tube
Z70221  CPC6128 Keyboard Assembly (English) (ribbon cable connectors)
Z70250  P.C.B. CPC6128
Z70290  P.C.B. CPC6128 revision 2 (1985)
Z70291  P.C.B. PCW8256/8512 (1985)
Z70311  CPC6128 Keyboard Assembly (French) (ribbon cable connectors)
Z70312  P.C.B. 3" Disc Drive
Z70313  P.C.B. 3" Disc Drive
Z70341  P.C.B. 3" Disc Drive
Z70374  P.C.B. CPC464 revision 3
Z70500  P.C.B. Spectrum+2 issue 3
Z70800  P.C.B. PCW9512 (1987)
Z70830  P.C.B. Spectrum+3 issue 2 (1987)
Z70833  P.C.B. Spectrum+2 issue 4
Z80264  P.C.B. 3" disc drive
Z80329  P.C.B. CPC464 revision 4 (1988)
Z80330  P.C.B. CPC6128 revision 3 (1988)
2700-017P-4  P.C.B. GX4000

Note that some numbers start with 27 instead of Z7 (the boards are really labeled like so, this is not a typo).

Contributors: Gérald Vincent