About Your Computer—Dell Precision 650 17
1 floppy drive Access the floppy drive.
2 headphone connector Attach headphones.
3 microphone connector Attach microphone.
4 USB 2.0 connectors (2) Use the front USB connectors for devices that you connect occasionally, such as
joysticks or cameras.
It is recommended that you use the back USB connectors for devices that typically
remain connected, such as printers and keyboards.
5 IEEE 1394 connector Attach high-speed serial multimedia devices, such as a digital video camera.
6 diagnostic lights (4) Use the lights to help you troubleshoot a computer problem based on the diagnostic
code. For more information, see "Diagnostic Lights."
7 externally accessible
drives
Access additional drives, such as a CD or DVD drive. Drive arrangement varies on
computer configuration.
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