Back View of the Computer
Back Panel Connectors
a CD player is operating.
9
diagnostic
lights (4)
Use the sequence of the diagnostic lights to help you troubleshoot a
problem with your computer (see
Diagnostic Lights
).
10 headphone
connector
Use the headphone connector to attach headphones and most kinds of
speakers.
11 microphone
connector
Use the microphone connector to attach a personal computer
microphone for voice or musical input into a sound or telephony
program.
12 Service Tag
Use the Service Tag to identify your computer when you access the Dell
Support website or contact support.
1 power
connector
Insert the power cable.
2 back I/O
connectors
Plug USB, network, S/PDIF, and audio devices into the appropriate
connectors (see
Back Panel Connectors
).
3 card slots (6)
Access connectors for any installed PCI or PCI Express cards.
1
link integrity light
l
Green
—
A good connection exists between a 10-Mbps
network and the computer.
l
Orange
—
A good connection exists between a 100-Mbps
network and the computer.
l
Yellow
—
A good connection exists between a 1000-Mbps
(1-Gbps) network and the computer.
l
Off
—
The computer is not detecting a physical connection to
the network.
2
network adapter
connector
NOTICE:
Do not plug a telephone cable into the network
connector.
Use the network adapter connector to attach your computer to a
network or broadband device. Connect one end of a network cable
to either a network jack or your network or broadband device, and
then connect the other end of the network cable to the network
