Changes
/* Removal of the SP512 */
# Put the Z80 into the socket marked 'IC111' on the CPC464 P.C.B. aligning the notch on the Z80 with the notch in the socket. Press firmly into position.
# Carefully remove the Gate-Array from the SP512:
#* There are two versions of the Gate-Array. One is marked '40010', the other has a flat piece of metal stuck to the top of it with white paste, this is the '40007' type. For the 40007, remove both the IC and the metal together. Do not seperate.
# Put the Gate-Array into the socket marked 'IC116' on the CPC464 P.C.B. aligning the notch on the Gate-Array with the notch in the socket. Press firmly into position. The position of the Gate-Array may be identified on the P.C.B.
# Connect the leads between the top of the CPC464 keyboard with the bottom (one for keyboard, one for cassette).
# Turn it over and fit the screws.
# Connect power lead to computer and switch it on.
== SP512 RAM expansion - before and after fitting==
This image shows the CPC464 main P.C.B. before the RAM expansion is fitted. From this picture you can see the original locations of the Z80 CPU and the Gate-Array:
