Asus P5B-E Plus User Manual page 59

Q-Connector (System panel)
ASUS Q-Connector allows you to easily to connect the chassis front panel cables
to the motherboard. Perform these steps to install ASUS Q-Connector.
Step1.
Connect the front panel cables to their
respective connectors on the ASUS Q-
Connector. Refer to the labels on the
Q-Connector for proper connection and pin
definition.
Step2.
Carefully connect the ASUS
Q-Connector to the System panel
connector.
The ASUS Q-Connector fits only in one
orientation; if it doesn't fit, try reversing
it.
Step3.
When installed, the Q-connector appears
as shown.
ASUS P5B-E Plus -