Asus MES-N User Manual page 31

3. HARDWARE SETUP
7) Monitor Connector (15-pin VGA)
This connector is for output to a VGA-compatible device.
VGA Monitor (15-pin female)
8) Joystick/MIDI Connector (15-pin GAME)
You may connect game joysticks or game pades to this connector for playing
games. Connect MIDI devices for playing or editing professional audio.
Joystick/Midi (15-pin female)
ASUS MES-N User's Manual 31