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
2
network adapter
connector