Old 4-wire modchip in NTSC-J unit. What's it for? : r/psx
Making PlayStation 1 Modchips
Sony PlayStation PS1 Mod Services
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
PU-8 MM3 modchip installation diagram - William Quade
PSX modchip confusion. Help please? | GBAtemp.net - The Independent Video Game Community
PSX - Removing Mod Chip | GBAtemp.net - The Independent Video Game Community
Issues with pu-8 modchip .. spindle auto spins - PlayStation Development Network
Help: Modchip PSone - PlayStation Development Network
Sony Playstation 1 Replacement BIOS PCB
Making PlayStation 1 Modchips
Sony PlayStation 1 Modchip SCPH-9002 | Xylitol | Hackaday.io
Modchip installation service - PlayStation 1 - Store - William Quade
PU-18 PSX Chip mod - 12c508
MekWeb - Mek's personal web page ○ Download - PlayStation 1 (PSX) modchip
PSone - two modchips simultaneously? - PlayStation Development Network
PS1 - Help with PSone motherboard | PSX-Place
What type of modchip is this? (PU-8) - PlayStation Development Network