Compatible with the 1st gen PSP consoles. Models 1000, 1001, 1002, 1003, 1004, 1005, 1006 & 1007.
If your old joystick is drifting, usually what's causing this isn't the joystick itself, but rather, it's the small conductive rubber piece which sits below it. The contacts of this piece aren't properly connecting with the joystick, either through dirt obstructing it or it's not tightly fastened