MSI Codex B913 Manual page 28

Ventilator
20
The ventilator on the enclosure is used for air convection and to prevent
the equipment from overheating� Do not cover the ventilator�
Power Supply Switch
21
Switch this switch to - can turn on the power supply� Switch it to 0 to cut
off the power circulation.
Power Jack
22
Power supplied through this jack supplies power to your system�
LED Button
23
Press the button to turn on or off the LED.
ODD Eject Button
24
Press the button to eject the optical disc drive�
Important
1-18
High-speed devices are recommended for USB 3�1 ports whereas low-speed devices,
such as mouse or keyboard, are suggested to be plugged into the USB 2�0 ports�