Asus M3N-HD - Manual (Page 62)

2-36 Chapter 2: Hardware information
15. ASUS Q-Connector (system panel)
You can use the ASUS Q-Connector to connect/disconnect chassis front
panel cables in a few steps. Refer to the instructions below to install the
ASUS Q-Connector.
1. Connect the front panel cables to the
ASUS Q-Connector.
Refer to the labels on the Q-Connector
to know the detailed pin definitions, then
match them to the respective front panel
cable labels.
2. Install the ASUS Q-Connector to the
system panel connector, making sure
the orientation matches the labels on the
motherboard.
3. The front panel functions are now enabled.
The figure shows the Q-Connector properly
installed on the motherboard.