HP Compaq NC6220 Hardware And Software Manual page 24

Component
7
Vents (3)
8
Primary battery release latch
9
Docking connector
Hardware and Software Guide
Description
Enable airflow to cool internal
components.
Ä
To prevent overheating, do
not obstruct vents. Using the
notebook on a soft surface,
such as a pillow, blanket, rug,
or thick clothing, may block
airflow.
Releases the primary battery pack
from the battery bay.
Connects the notebook to an optional
docking device.
Component ID
1–14