|''PCB Top'' ||''PCB Bottom'' || Description
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|[[File:Inside GX4000 cart 1 unrotated.jpg|52px]] || [[File:Inside GX4000 cart 2.jpg|52px]] || '''Board: PT-NO-Z90903-MC0121A''' - With custom LKs, and double-sided soldering points.
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|[[File:Cartridge-PT-NO-Z90903-MS0201A-Installed.jpg|52px]] || [[File:Cartridge-PT-NO-Z90903-MS0201A-Bottom.jpg|52px]] || '''Board: PT-NO-Z90903-MS0201A''' - With custom LKs, and single-sided soldering points.
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|[[File:Cartridge-2700-023P-1-Installed.jpg|52px]] || [[File:Cartridge-2700-023P-1-Bottom.jpg|52px]] || '''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|52px]] || || '''Board: Nonamed''' - Spanish cartridge without text-layer on PCB (otherwise same as 2700-023P-1).
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|[[File:Cart_PCB_AMSTRO1_top.jpg|52px]] || [[File:Cart PCB AMSTRO1 bottom.jpg|52px]] || '''Board: AMSTRO1''' (LK1-LK6 are called L1-L6 here) - With hardwired LK1 and LK6, and double-sided soldering points.
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