Dell Alienware Area-51 Manual page 18

Top Panel Connectors
5
4
3
2
1
CHAPTER 2: GETTING TO KNOW YOUR DESKTOP
1 USB 2.0 connectors (3) Connects to USB devices, such as a mouse,
—
keyboard, printer, external drive, or MP3 player.
eSATA connector
2 Connects to eSATA compatible storage devices
—
such as external hard drives or optical drives.
3 IEEE 1394 — Connects to high speed serial multimedia devices such as
digital video cameras.
Headphone connector — Connects to headphones.
4
NOTE: To connect to a powered speaker or sound system, use the audio out
connector or one of the S/PDIF connectors on the back of your computer.
Microphone connector
5 — Connects to a microphone for voice or audio
input into a sound or telephony program.
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