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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 (2) (select models only) Connect optional USB devices.
(4)
Optical drive Reads optical discs and, on select models, also writes to
optical discs.
(5)
RJ-11 (modem) jack Connects a modem cable.
16 Chapter 2 External component identification