Notes and drawings for building  an expansion box for the Amstrad PPC512 / 640 portable computer.


74hc244.jpg                Amstrad PPC Expansion Box - Rough drawing of 74HC244 IC pin layout
bottom.jpg                  Amstrad PPC Expansion Box - Drawing of underside of printed board layout
cardslot.jpg                 Amstrad PPC Expansion Box - Drawing of IBM card slot pin & signal layout, with notes
ppc-trm1.jpg               Amstrad PPC Expansion Box - Cover pic of PPC Technical Reference Manual
ppc-trm2.jpg               Amstrad PPC Expansion Box - Pic of Expansion Connector A in PPC Technical Reference Manual
ppc-trm3.jpg               Amstrad PPC Expansion Box - Pic of Expansion Connector B in PPC Technical Reference Manual
ppc-trm4.jpg               Amstrad PPC Expansion Box - Pic of Expansion Connector A, with my notes, in PPC Technical Reference Manual
ppc-trm5.jpg               Amstrad PPC Expansion Box - Pic of Expansion Connector B, with my notes, in PPC Technical Reference Manual
ppc.txt                        Amstrad PPC Expansion Box - Overview and parts list
ppcwire1.txt                Amstrad PPC Expansion Box - First description of wiring run
ppcwire2.txt                Amstrad PPC Expansion Box - Second description of wiring run
top.jpg                        Amstrad PPC Expansion Box - Drawing of top side of printed board layout
wiring1.jpg                  Amstrad PPC Expansion Box - Pic 1 of my rough wiring notes
wiring2.jpg                  Amstrad PPC Expansion Box - Pic 2 of my rough wiring notes
wiring3.jpg                  Amstrad PPC Expansion Box - Pic 3 of my rough wiring notes


The Amstrad PPC Technical Reference Manual is available online at:

http://www.seasip.info/AmstradXT/ppctech/index.html