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External component identification
Maintenance and Service Guide 2–7
Front components
Item Component Description
(1) Audio-out (headphone) jack Produces sound when connected to optional powered stereo speakers,
headphones, ear buds, a headset, or television audio.
✎When a device is connected to the headphone jack, the computer
speakers are disabled.
(2) Internal microphone Records sound.
(3) Audio-in (microphone) jack Connects an optional computer headset microphone, stereo array
microphone, or monaural microphone.
(4) SD Card Reader Supports the following optional digital card formats:
■MultiMediaCard (MMC)
■MultiMediaCard 4.2 (MMC Plus, including MMC Plus HC)
■Secure Digital (SD) Memory Card
■Secure Digital High Capacity (SDHC) Memory Card
■Secure Digital High Speed (SDHS) Memory Card