Composite and S-Video connectors are not available on the Power Mac G4 computer. Digital video input and output features of the Power Mac G4 computer are provided by the FireWire ports and the USB ports.
The Power Mac G4 computer does not include RCA jacks for analog stereo audio input and output. The built-in 3.5 mm sound input and sound output connectors can be used for analog stereo audio input and output. Digital audio input and output is supported by the FireWire interface. For information about the analog sound connectors, see Sound System. For information about the FireWire interface, see FireWire Ports.