Rear component
Component Function
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.
Right-side components
Item Component Function
(1) Audio-out (headphone) jack Produces sound when connected to optional powered
stereo speakers, headphones, ear buds, a headset, or
television audio.
(2) Audio-in (microphone) jack Connects an optional computer headset microphone,
stereo array microphone, or monaural microphone.
(3) USB ports (4) Connects up to 4 optional USB devices.
(4) Optical drive Reads an optical disc.
(5) Optical drive button Releases the media tray.
(6) RJ-11 (modem) jack Connects a modem cable.
(7) RJ-45 (network) jack Connects a network cable.
16 Chapter 2 External component identification
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