MSI MS-6340 - Joystick;MIDI Connectors; Audio Port Connectors

Hardware Setup
2-11
Audio Port Connectors
Line Out is a connector for Speakers or Headphones. Line In is used for
external CD player, Tape layer, or other audio devices. Mic is a connector
for the microphones.
1/8” Stereo Audio Connectors
Joystick/Midi Connectors
You can connect joystick or game pad to this connector.
Joystick/MIDI
Line Out
Line In
Mic