This listing is for a pre-programmed MM3 microcontroller intended for electronics repair, restoration, and compatibility servicing of original Sony PlayStation (PS1) hardware.

Programmed for NTSC-U / NTSC-C PlayStation consoles

The MM3 is a widely used microcontroller configuration employed by technicians and hobbyists when servicing PlayStation consoles that require region compatibility correction or optical drive–related work. Each unit is programmed, verified, and packaged prior to shipment.

This is a hardware component only.