Help: Modchip PSone - PlayStation Development Network
Sony PlayStation Region Free Mod Kit | Consoles Unleashed
Making PlayStation 1 Modchips
Retro Gaming Denmark - All six wires soldered and glued down. --- PsNee modchip install in a Playstation 1 SCPH-7002 (PAL PU-20 board revision.) It gave me a chance to try out
Burning Your Own PS1 Modchip Is Easy | Hackaday
PU-8 MM3 modchip installation diagram - William Quade
Old 4-wire modchip in NTSC-J unit. What's it for? : r/psx