SixtyClone" Commodore 64 Replica PCBs from Bob's Bits on Tindie
PetterHans on Twitter: "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" / Twitter
A (Nearly All) New Commodore 64 | Hackaday
Commodore 64 – My old computer
MJK's Commodore Hardware Overview: Commodore 64
Commodore 64 motherboard revisions - The Silicon Underground