HP ProBook 5220m Notebook PC - Manual (Page 19)

Component Description
(5) Audio-out (headphone)/Audio-in (microphone)
jack Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television audio.
Also connects an optional headset microphone.
NOTE: When a device is connected to the headphone jack, the
computer speakers are disabled.
WARNING! To reduce the risk of personal injury, adjust the
volume before putting on headphones, earbuds, or a headset. For
additional safety information, refer to the Regulatory, Safety, and
Environmental Notices.
(6) RJ-11 (modem) jack Connects a modem cable.
(7) Power connector Connects an AC adapter.
(8) Security cable slot Attaches an optional security cable to the computer.
NOTE: The security cable is designed to act as a deterrent, but
it may not prevent the computer from being mishandled or stolen.
Left-side components
Component Description
(1) External monitor port Connects an external VGA monitor or projector.
(2) Vent Enables airflow to cool internal components.
NOTE: The computer fan starts up automatically to cool internal
components and prevent overheating. It is normal for the internal
fan to cycle on and off during routine operation.
(3) Network activity light Amber: Data is being transmitted over the network.
(4) RJ-45 (network) jack Connects a network cable.
(5) Network connection light Green: The computer is connected to the network.
(6) USB/eSATA port Connects a high-performance eSATA component, such as an
eSATA external hard drive, or connects an optional USB device.
(7) HDMI port Connects an optional video or audio device, such as a high
definition television, or any compatible digital or audio component.
Identifying hardware 7