Dell Precision 390: 11 keyboard connector If you have a standard keyboard, plug it into the purple keyboard connector.
11 keyboard connector If you have a standard keyboard, plug it into the purple keyboard connector.: Dell Precision 390
Table of contents
- Notes, Notices, and Cautions Abbreviations and Acronyms
- Contents
- Finding Information What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- What Are You Looking For? Find It Here
- Setting Up Your Computer (Tower Orientation) Connect the keyboard and the mouse. Connect the modem or the network cable.
- Connect the monitor.
- For single- and dual-monitor capable cards with a single connector
- For dual-monitor capable cards with one DVI connector and one VGA connector For dual-monitor capable cards with two DVI connectors
- Connect the speakers. Connect the power cables and turn on the computer and monitor.
- Install additional software or devices. Setting Up Your Computer (Desktop Orientation) Connect the keyboard and the mouse.
- Connect the modem or the network cable. Connect the monitor.
- For single- and dual-monitor capable cards with a single connector
- For dual-monitor capable cards with one DVI connector and one VGA connector For dual-monitor capable cards with two DVI connectors
- Connect the speakers. Connect the power cables and turn on the computer and monitor. Install additional software or devices.
- About Your Computer Front View (Tower Orientation) 1 CD- or DVD-drive activity light
- 14 network link light The network light is on when the computer sends or receives data over a network
- Back View (Tower Orientation)
- Front View (Desktop Orientation) 6 IEEE 1394 connector (optional)
- 13 network link light The network light is on when the computer sends or receives data over a network
- Back View (Desktop Orientation)
- Back-Panel Connectors 3 link integrity light
- 11 keyboard connector If you have a standard keyboard, plug it into the purple keyboard connector.
- Inside View
- Cable Colors System Board Components
- 12 PCI-Express x1 card slot 24 processor connector (CPU) Locating Your User’s Guide
- To access the User’s Guide from your hard drive: To access your User’s Guide from the Dell Support website: Removing the Computer Cover
- Caring for Your Computer
- Solving Problems Troubleshooting Tips Resolving Software and Hardware Incompatibilities Using Microsoft Windows XP System Restore Creating a Restore Point
- Restoring the Computer to an Earlier Operating State Undoing the Last System Restore Enabling System Restore
- Using the Last Known Good Configuration Other Options to Help Resolve Additional Device or Software Conflicts Dell Diagnostics When to Use the Dell Diagnostics
- Starting the Dell Diagnostics From Your Hard Drive Starting the Dell Diagnostics From the Drivers and Utilities CD
- Before You Start Testing Beep Codes Code Cause
- Code Cause Error Messages Diagnostic Lights Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution
- Light Pattern Problem Description Suggested Resolution Frequently Asked Questions How Do I... Solution Where to Find Additional Information
- How Do I... Solution Where to Find Additional Information

4 network adapter
To attach your computer to a network or broadband device, connect one end of
connector
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.
5 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.
6 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.
7 line-out 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.
8 USB 2.0 connectors (2) Use the back USB connectors for devices that typically remain connected,
such as printers and keyboards.
It is recommended that you use the front USB connectors for devices that you
connect occasionally, such as flash memory keys or cameras., or for bootable USB
devices.
9 USB 2.0 connectors (3) Use the back USB connectors for devices that typically remain connected,
such as printers and keyboards.
It is recommended that you use the front USB connectors for devices that you
connect occasionally, such as flash memory keys or cameras, or for bootable USB
devices.
10 serial connector Connect a serial device, such as a handheld device, to the serial port. The default
designations are COM1 for serial connector 1 and COM2 for the optional serial
connector 2.
For more information, see "System Setup Options" in the User’s Guide
.
11 keyboard connector If you have a standard keyboard, plug it into the purple keyboard connector.
If you have a USB keyboard, plug it into a USB connector.
26 Quick Reference Guide

