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== Construction of the 320/512K (PAL programming required) version ==
For a 512K version the biggest challenge is, that when we replace also the first bank we must treat the first 64K as base RAM and the other 192K as extended RAM in a way that it is properly recognised by software.
* There is a connection from the PCB to D5. D5 is e.g. pin 29 on the 40007 socket. For other options check the schematics/Pinouts.
Note: It's also possible to use this PCB as for a 320K versionmod. In that case only replace the second (left) RAM bank and connect the D5 pad to GND (throughhole through hole directly next to the D5 pad).
[[File:CPC6512 1.jpg|thumbnail|left]] [[File:CPC6512 2.jpg|thumbnail|right]] [[File:CPC6512 3.jpg|thumbnail|none]]
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