Dell Precision 690 Guide De Référence Rapide page 19

Back Panel Connectors
13
parallel connector
1
2 line-out/ headphone
connector
3 mouse connector
4 USB 2.0 connectors (3)
1 2
12
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 your User's Guide.
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.
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
the necessary mouse drivers have been installed on your hard drive.
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.
3 4 5
11 10 9
®
Windows
Quick Reference Guide
6 7
8
®
XP operating system,
19