MSI G52-MA00542 - Manual (Page 22)

Chapter 2
2-10
Joystick/Midi Connectors
You can connect a joystick or game pad to this connector.
Audio Port Connectors
Line Out is a connector for Speakers or Headphones. Line In is used for
external CD player, Tape player, or other audio devices. Mic is a connector for
microphones.
1/8” Stereo Audio Connectors
Line Out Line In MIC