== System Cartridge (BIOS of CPC+) and Game Cartridges ==
* '''Size: 51x60 mm'''[[GX4000 cartridge|(more pictures)]]
[[File:Inside GX4000 cart 1 unrotated.jpg|50px|left]]
* '''Board: 2700-023P-1'''
* With hardwired LK1 and LK6, and single-sided soldering points.
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[[File:Dragon CPC Plus System Cartridge PC Spanish.jpg|50px|left]]
* '''Board: Nonamed'''
* Spanish cartridge without text-layer on PCB (otherwise same as 2700-23P-1).
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