Left-side components
Item
Component
(1)
Vent
(2)
USB ports (2)
(3)
1394 port
(4)
Audio-in (microphone) jack
(5)
Audio-out (headphone) jack
(6)
ExpressCard slot
16
Chapter 2 External component identification
Function
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.
Connect optional USB devices.
Connects an optional IEEE 1394 or 1394a device, such as
a camcorder.
Connects an optional computer headset microphone, stereo
array microphone, or monaural microphone.
Produces sound when connected to optional powered stereo
speakers, headphones, ear buds, a headset, or television
audio.
Supports optional ExpressCards.