HP ProBook 6445b Notebook-PC - Manual (Page 24)

Component Description
(1) 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.
(2) DisplayPort Connects an optional digital display device such as a high-
performance monitor or projectors.
(3) USB ports (3) Connect optional USB devices.
(4) Smart card reader Supports optional smart cards and Java™ Cards.
(5) Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
microphone, or monaural microphone.
(6) Audio-out (headphone) jack Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television audio.
NOTE: When a device is connected to the headphone jack, the
computer speakers are disabled.
Rear components
NOTE: Refer to the illustration that most closely matches your computer.
Component Description
(1) RJ-45 (network) jack Connects a network cable.
(2) External monitor port Connects an external VGA monitor or projector.
(3) Power connector Connects an AC adapter.
14 Chapter 1 Features