Instructions
Sixaxis or DualShock 3
Connect the mini USB plug into the port at the top of the controller.
Connect the USB plug into any one of the PS3's USB ports.
Press the power button on the PS3 or the "PS" button in the middle of the controller to start up the console.
Wired Music Game Controllers
Connect the USB sensor to any USB port on the PS3 console if using more than one instrument. Rock Band's guitar and keyboard all have sensors with extra built-in USB ports. The USB sensor for Guitar Hero's guitar controller has two built-in USB ports.
Connect the wired music controller to the PS3 or to the USB sensor. You may need to press the signal button to connect wirelessly to the guitar or keyboard controller if you're using a USB sensor.
Press the power button on the PS3 to boot up the console.