Asus Motherboard M3A78-EM User Manual page 51

Q-Connector (system panel)
You can use ASUS Q-Connector to connect / disconnect chassis front panel
cables by only a few steps. Directions below shows how to install ASUS
Q-Connector.
Step1.
Connect correct front panel to ASUS
Q-Connector first. You can refer to the
marking on Q-Connector itself to know the
detail pin definition.
Step2.
Properly install the ASUS Q-Connector to the
System panel connctor.
Step3.
Front panel functions are enabled.
ASUS M3A78-EM 1-39