Dell Precision 390 - Front View (Tower Orientation)

Quick Reference Guide 25
Back-Panel Connectors
1
2 345
891011
6
7
1 mouse connector Plug a standard mouse into the green mouse connector. Turn off the computer
and any attached devices before you connect a mouse to the computer. If you have
a USB mouse, plug it into a USB connector.
If your computer is running the Microsoft
®
Windows XP operating system,
the necessary mouse drivers have been installed on your hard drive.
2 parallel connector Connect a parallel device, such as a printer, to the parallel connector. If you have
a USB printer, plug it into a USB connector.
NOTE: The integrated parallel connector is automatically disabled if the computer
detects an installed card containing a parallel connector configured to the same
address. For more information, see "System Setup Options" in the User’s Guide.
3 link integrity light
• Green — A good connection exists between a 10-Mbps network and the
computer.
• Orange — A good connection exists between a 100-Mbps network and the
computer.
• Yellow — A good connection exists between a 1000-Mbps (or 1-Gbps) network
and the computer.
• Off — The computer is not detecting a physical connection to the network.