Hardware Docking Connector and Vents Underside: Docking Connector and Vent 1 Docking connector* Connects the notebook to an optional port replicator. 2 Vents (3) Allow airflow to cool internal components. Д To prevent overheating, use the notebook only on hard surfaces which cannot obstruct the vents. Do not allow a soft surface, such as bedding, clothing or a thick rug, to block airflow. *As shipped, the docking connector is not visible. The docking connector is beneath the docking connector cover, which protects the connector when the connector is not in use. 2–14 Startup and Reference Guide—Part 2