PetterHans on X: "Cloning of the C64 KU Motherboard done. Layout and Schematics done, but not Design Rules Checked yet. Been quite exhausting project. https://t.co/UhAv63DbVg" / X
Commodore 64 Service Manual: Board Layout #250425-01
Commodore – Adam's Vintage Computer Restorations
MJK's Commodore Hardware Overview: Commodore 64
MJK's Commodore Hardware Overview: Commodore 64
MJK's Commodore Hardware Overview: Commodore 64
SixtyClone" Commodore 64 Replica PCBs from Bob's Bits on Tindie
File:C64 ASSY NO 250425 motherboard 1984.jpg - Wikimedia Commons