Before you order your modchip, you need to know what version motherboard your PS2 console has. Sometimes, you can determine your version by the model number (the "SCPH-" number on the back of your console), or by other external characteristics of your console, as noted below. However, the only way to be 100% sure of your version is to open up your console and compare the board to our installation diagrams. Click on the links below to compare your board to our diagrams: