Changes
/* PCBs */
Z70830 Spectrum +2A/+3 Motherboard (ISSUE 1 & 2 both (c) 1987)
Z70833 Spectrum +2B Motherboard (ISSUE 1 & 2 (c) 1988, ISSUE 4 (c) 1990)
Z70835 Spectrum +3B Motherboard (ISSUE 1 (C)1988 )
Z80264 P.C.B. 3" disc drive
Z80329 P.C.B. CPC464 version 4 (1988)
Note that some numbers start with '''27''' instead of '''Z7''' (the boards are really labeled like so, this is not a typo).
Information about Spectrum PCBs provided by AlistairGuesser of WOS.
== See also ==
