Dell Precision 690 - Manual (Page 4)

1 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 .
2 line-out/
headphone
connector Use the green line-out connector to attach headphones and most
speakers with integrated amplifiers.
On computers with a sound card, use the connector on the card.
3 mouse
connector Plug a standard PS/2 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.
4 USB 2.0
connectors (3) It is recommended that you use the front USB connectors for devices
that you connect occasionally, such as flash memory keys, cameras, or
bootable USB devices.
Use the back USB connectors for devices that typically remain
connected, such as printers and keyboards.
5 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 (or 1-
Gbps) network and the computer.
l Off — The computer is not detecting a physical connection to the
network.
6 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. Connect the other end of the network cable to the
network adapter connector on your computer. A click indicates that the
network cable has been securely attached.
NOTE: Do not plug a telephone cable into the network connector.
On computers with an additional network connector card, use the
connectors on the card and on the back of the computer when setting
up multiple network connections (such as a separate intra- and
extranet).
It is recommended that you use Category 5 wiring and connectors for
your network. If you must use Category 3 wiring, force the network
speed to 10 Mbps to ensure reliable operation.
7 network
activity light Flashes a yellow light when the computer is transmitting or receiving
network data. A high volume of network traffic may make this light
appear to be in a steady "on" state.
8 USB 2.0
connectors (2) It is recommended that you use the front USB connectors for devices
that you connect occasionally, such as flash memory keys, cameras, or
bootable USB devices.
Use the back USB connectors for devices that typically remain
connected, such as printers and keyboards.
9 IEEE 1394
connector Use the IEEE 1394 connector for high-speed data devices such as digital
video cameras and external storage devices.
10 keyboard
connector
If you have a standard PS/2 keyboard, plug it into the purple keyboard
connector. If you have a USB keyboard, plug it into a USB connector.
11 line-in
connector
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.
12 serial
connector
Connect a serial device, such as a handheld device, to the serial port. If
necessary, the address for this port can be modified through system
setup (see
System Setup ).