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Dell™ Dimension™ 4550 Series
CD or DVD
activity light
CD or DVD drive
eject button
floppy drive light*
floppy drive
eject button*
hard drive light
power button
CD or DVD volume
control dial
service tag
headphone connector
USB 2.0
connectors (2)
voltage selection switch
power connector
parallel connector
keyboard connector
USB 2.0 connectors (2)
microphone
connector
*
line-out
connector
*
line-in
connector
*
network adapter
video connector
serial connector
diagnostic lights (4)
USB 2.0 connectors (2)
*
On computers with integrated audio.
mouse connector
*On computers
with an optional
floppy drive.
