Dell Vostro 400 Owner's Manual page 21

4 center/subwoofer
connector
5 line-in connector
6 front L/R line-out
connector
7 microphone
8 side L/R surround
connector
9 rear L/R surround
connector
10 USB 2.0
connectors (4)
11 VGA video
connector
Use the orange connector to attach a speaker to a Low
Frequency Effects (LFE) audio channel. LFE audio
channel is found in digital surround sound audio schemes
that carries only low frequency information of 80 Hz and
below. The LFE channel drives a subwoofer to provide
extremely low bass extension. Systems not using
subwoofers can shunt the LFE information to the main
speakers in the surround sound setup.
Use the blue line-in connector to attach a record/playback
device such as a cassette player, CD player, or VCR.
On computers with a sound card, use the connector on the
card.
Use the green line-out connector (available on computers
with integrated sound) to attach headphones and most
speakers with integrated amplifiers.
On computers with a sound card, use the connector on the
card.
Use the pink connector to attach a personal computer
microphone for voice or musical input into a sound or
telephony program
On computers with a sound card, the microphone
connector is on the card.
Use the gray connector to provide enhanced surround
audio for computers with 7.1 speakers.
On computers with a sound card, the microphone
connector is on the card.
Use the black surround connector to attach multichannel-
capable speakers.
Use the back USB connectors for devices that typically
remain connected, such as printers and keyboards.
It is recommended that you use the front USB connectors
for devices that you connect occasionally, such as joysticks
or cameras.
Connect the monitor's VGA cable to the VGA connector
on the computer.
On computers with a video card, use the connector on the
card.
Setting Up and Using Your Computer
21