Front View (Doors Open) - Dell Dimension U7021 Owner's Manual

Front View (Doors Open)

headphone connector
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microphone connector
2
3 USB 2.0 connectors (2)
IEEE 1394 connector
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Removing and Installing Parts
Use the headphone connector to attach headphones and most kinds of speakers.
Use the microphone connector to attach a personal computer microphone for voice or
musical input into a sound or telephony program.
Use the front USB connectors for devices that you connect occasionally, such as joysticks
or cameras.
It is recommended that you use the back USB connectors for devices that typically
remain connected, such as printers and keyboards.
Attach high-speed serial multimedia devices, such as digital video cameras.
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2
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4