Dell Precision T7400 spécification

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Dell Precision™ T7400

Quick Reference Guide

Model DCDO

Notes, Notices, and Cautions

NOTE: A NOTE indicates important information that helps you make better use of

your computer.

NOTICE: A NOTICE indicates either potential damage to hardware or loss of data

and tells you how to avoid the problem.

CAUTION: A CAUTION indicates a potential for property damage, personal injury,

or death.

____________________

Information in this document is subject to change without notice.

Reproduction in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden.

Trademarks used in this text: Dell, the DELL logo, and Dell Precision are trademarks of Dell Inc.;

Microsoft, Windows, and Windows Vista are either trademarks or registered trademarks of Microsoft

Corporation in the United States and/or other countries.

Other trademarks and trade names may be used in this document to refer to either the entities claiming

the marks and names or their products. Dell Inc. disclaims any proprietary interest in trademarks and

trade names other than its own.

Model DCDO

September 2007 P/N HR707 Rev. A00

Contents 3

Contents

Finding Information . . . . . . . . . . . . . . . . . . . . 5

Setting Up Your Computer

. . . . . . . . . . . . . . . . . 9

Changing Between Tower and Desktop

Orientations

. . . . . . . . . . . . . . . . . . . . . 9

Installing Your Computer in an Enclosure

. . . . . 10

Transferring Information to a New Computer

. . . 13

Power Protection Devices

. . . . . . . . . . . . . 16

About Your Computer

. . . . . . . . . . . . . . . . . . 18

Front View (Tower Orientation)

. . . . . . . . . . 18

Back View (Tower Orientation)

. . . . . . . . . . 20

Back Panel Connectors

. . . . . . . . . . . . . . 21

Cleaning Your Computer

. . . . . . . . . . . . . . . . 23

Computer, Keyboard, and Monitor

. . . . . . . . . 23

Mouse (Non-Optical)

. . . . . . . . . . . . . . . . 23

Floppy Drive

. . . . . . . . . . . . . . . . . . . . 24

CDs and DVDs

. . . . . . . . . . . . . . . . . . . 24

Troubleshooting Tools

. . . . . . . . . . . . . . . . . . 24

Power Lights

. . . . . . . . . . . . . . . . . . . . 24

Diagnostic Lights

. . . . . . . . . . . . . . . . . . 26

Beep Codes

. . . . . . . . . . . . . . . . . . . . 30

System Messages

. . . . . . . . . . . . . . . . . 31

Hardware Troubleshooter

. . . . . . . . . . . . . 32

Dell Diagnostics

. . . . . . . . . . . . . . . . . . 33

Troubleshooting

. . . . . . . . . . . . . . . . . . 37

Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

4 Contents

Quick Reference Guide 5

Finding Information

NOTE: Some features or media may be optional and may not ship with your

computer. Some features or media may not be available in certain countries.

NOTE: Additional information may ship with your computer.

What Are You Looking For? Find It Here

• A diagnostic program for my computer

• Drivers for my computer

• My device documentation

• Desktop System Software (DSS)

Drivers and Utilities Disc

NOTE: The Drivers and Utilities disc may be

optional and may not ship with your computer.

Documentation and drivers are already

installed on your computer. You can use

the Drivers and Utilities disc to reinstall

drivers (see "Reinstalling Drivers and

Utilities" in your User’s Guide) and to run

the Dell™ Diagnostics (see "Dell

Diagnostics" on page 33).

NOTE: Drivers and documentation updates

can be found at support.dell.com.

• How to remove and replace parts

•Specifications

• How to configure system settings

• How to troubleshoot and solve problems

Dell Precision™ User’s Guide

Microsoft

®

Windows

®

XP and Microsoft

Windows Vista™ Help and Support Center

1

Click

Start

→

Help and Support

→

Dell

User and System Guides

→

System

Guides

.

2

Click the

User’s Guide

for your computer.

6 Quick Reference Guide

• Warranty information

• Terms and Conditions (U.S. only)

• Safety instructions

• Regulatory information

• Ergonomics information

• End User License Agreement

Dell™ Product Information Guide

• Service Tag and Express Service Code

•Microsoft

®

Windows

®

Product Key

Service Tag and Microsoft Windows

Product Key

These labels are located on your computer:

• Use the Service Tag to identify your

computer when you use

support.dell.com

or contact Dell support.

• Enter the Express Service Code to direct

your call when contacting Dell support.

NOTE: As an increased security measure,

the newly designed Microsoft Windows

license label incorporates a missing portion,

or hole, to discourage removal of the label.

What Are You Looking For? Find It Here

Quick Reference Guide 7

• Solutions — Troubleshooting hints and

tips, articles from technicians, online

courses, and frequently asked questions

• Community — Online discussion with

other Dell customers

• Upgrades — Upgrade information for

components, such as the memory, hard

drive, and operating system

• Customer Care — Contact information,

service call and order status, and

warranty and repair information

• Service and support — Service call

status, support history, service contract,

and online discussions with support

• Dell Technical Update Service —

Proactive e-mail notification of software

and hardware updates for your computer

• Reference — Computer documentation,

details on my computer configuration,

product specifications, and white papers

• Downloads — Certified drivers, patches,

and software updates

Dell Support Website — support.dell.com

NOTE: Select your region or business

segment to view the appropriate support site.

• Desktop System Software (DSS) — If you

reinstall the operating system for your

computer, you should also reinstall the

DSS utility. DSS automatically detects

your computer and operating system and

installs the updates appropriate for your

configuration, providing critical updates

for your operating system and support for

processors, optical drives, USB devices, for

example. DSS is necessary for correct

operation of your Dell computer.

To download Desktop System Software:

1

Go to

support.dell.com

, select your

country/region, and then click

Drivers

& Downloads

.

2

Click

Select Model

or

Enter a Tag

,

make the appropriate selections or enter

the appropriate information for your

computer, and then click

Confirm

.

3

Scroll down to

System and Configuration

Utilities

→

Desktop System Software

,

and then click

Download Now

.

NOTE: The support.dell.com user interface

may vary depending on your selections.

What Are You Looking For? Find It Here

8 Quick Reference Guide

• How to use Windows XP

• How to use Windows Vista

• How to work with programs and files

• How to personalize my desktop

Windows Help and Support Center

1

Click

Start

→

Help and Support

.

2

Type a word or phrase that describes

your problem and click the arrow icon.

3

Click the topic that describes

your problem.

4

Follow the instructions on the screen.

• How to reinstall my operating system

Operating System Disc

The operating system is already installed

on your computer. To reinstall your

operating system, use the Operating System

disc that came with your computer (see

"Restoring Your Operating System" in your

User’s Guide).

After you reinstall your operating system,

use the optional Drivers and Utilities disc

to reinstall drivers for the devices that

came with your computer.

Your operating system product key label is

located on your computer.

NOTE: The color of your operating system

installation disc varies according to the

operating system you ordered.

What Are You Looking For? Find It Here

Quick Reference Guide 9

Setting Up Your Computer

Changing Between Tower and Desktop Orientations

CAUTION: Before you begin any of the procedures in this section, follow the

safety instructions in the

Product Information Guide

.

NOTE: To change your computer to either the tower or the desktop orientation, you

must use an optional kit available from Dell. See "Product Information" in your

User’s Guide for more details on ordering from Dell.

NOTE: The tower computer supports one more 3.5-inch drive in the front than does

the desktop computer.

1

Follow the procedures in "Before You Begin" in your

User’s Guide

.

2

Remove the computer cover (see "Removing the Computer Cover" in your

User’s Guide

).

3

Remove the front panel (see "Removing the Front Panel" in your

User’s Guide

).

4

Remove the drive panel and prepare the drive panel by adding or removing

inserts, as needed (see "Drive Panels" in your

User’s Guide

).

Switching From Tower to Desktop Orientation

1

Remove all installed floppy drives or media card readers by following the steps

in "Removing a Floppy Drive or Media Card Reader (Tower Computer)" in

your

User’s Guide

, and then reinstall a single floppy drive or media card reader

by following the steps in "Installing a Floppy Drive or Media Card Reader

(Desktop Computer)" in your

User’s Guide

.

2

Remove all installed optical drives by following the steps in "Removing an

Optical Drive (Tower Computer)" in your

User’s Guide

, and then reinstall

the drives by following the steps in "Installing an Optical Drive (Desktop

Computer)" in your

User’s Guide

.

• How to use Linux

• E-mail discussions with users of Dell

Precision products and the Linux

operating system

• Additional information regarding Linux

and my Dell Precision computer

Dell Supported Linux Sites

• linux.dell.com

• lists.us.dell.com/mailman/listinfo/linux-

precision

What Are You Looking For? Find It Here

10 Quick Reference Guide

Switching From Desktop to Tower Orientation

1

Remove the floppy drive or media card reader (if installed) by following

the steps in "Removing a Floppy Drive or a Media Card Reader (Desktop

Computer)" in your

User’s Guide

, and then reinstall the floppy drive or

media card reader by following the steps in "Installing a Floppy Drive or

Media Card Reader (Tower Computer)" in your

User’s Guide

.

2

Remove all installed optical drives by following the steps in "Removing an

Optical Drive (Desktop Computer)" in your

User’s Guide

, and reinstall the

drives by following the steps in "Installing an Optical Drive (Tower Computer)"

in your

User’s Guide

.

Installing Your Computer in an Enclosure

Installing your computer in an enclosure can restrict airflow, can cause your

computer to overheat, and may impact your computer’s performance. Follow

the guidelines below when installing your computer in an enclosure.

NOTICE: The operating temperature specified in this manual reflects the maximum

ambient operating temperature. The ambient room temperature must be a consideration

when installing your computer in an enclosure. For details about your computer’s

specifications, see "Specifications" in your User’s Guide.

Quick Reference Guide 11

• Leave 10.2 cm (4 in) minimum clearance on all vented sides of the computer

to permit the airflow required for proper ventilation.

• If your computer is installed in a corner on or under a desk, leave 5.1 cm

(2 in) minimum clearance from the back of the computer to the wall to

permit the airflow required for proper ventilation.

• If your enclosure has doors, ensure that they allow at least 30 percent

airflow through the enclosure (front and back).

12 Quick Reference Guide

• Do not install your computer in an enclosure that does not allow airflow.

Restricting the airflow

can cause your computer to overheat and may

impact your computer’s performance

.

Quick Reference Guide 13

Transferring Information to a New Computer

You can use your operating system wizards to help you transfer files and other

data from one computer to another computer.

Microsoft Windows XP

The Microsoft

Windows XP operating system provides the Files and Settings

Transfer Wizard to transfer data, such as:

• E-mail messages

• Toolbar settings

•Window sizes

• Internet bookmarks

You can transfer data from one computer to another computer over a network or

serial connection, or by storing the data on removable media, such as a writable

CD or DVD.

NOTE: You can transfer information from one computer to another computer by directly

connecting a serial cable to the input/output (I/O) ports of the two computers. To transfer

data over a serial connection, you must use the Network Connections utility in the Control

Panel to perform additional configuration steps, such as setting up an advanced

connection and designating the host computer and the guest computer.

For instructions on setting up a direct cable connection between two computers,

see Microsoft Knowledge Base Article #305621, titled How to Set Up a Direct Cable

Connection Between Two Computers in Windows XP. This information may not be

available in certain countries.

Using the Files and Settings Transfer Wizard requires the Operating System

disc that came with your computer or a wizard disk, which the wizard can

create for you.

NOTE: For more information about transferring data, search support.dell.com for

document #154781 (What Are The Different Methods To Transfer Files From My Old

Computer To My New Dell™ Computer Using the Microsoft Windows XP Operating

System?).

NOTE: Access to the Dell Knowledge Base document may not be available in

certain countries.

14 Quick Reference Guide

Files and Settings Transfer Wizard (With the Operating System Disc)

NOTE: The Files and Settings Transfer Wizard designates the source computer from

which data is to be transferred as the old computer, and designates the destination

computer to which the data is going to be transferred as the new computer.

PREPARE THE DESTINATION COMPUTER FOR THE FILE TRANSFER —

1

Click

Start

→

All Programs

→

Accessories

→

System Tools

→

Files and

Settings Transfer Wizard

.

2

Under

Which computer is this?

, click

New computer

, and then click

3

Under

Do you have a Windows XP CD?

, click

I will use the wizard from

the Windows XP CD

, and then click

4

Review the information under

Now go to your old computer

, and then go

to the source computer. Do

not

click

COPY DATA FROM THE SOURCE COMPUTER —

1

Insert the Windows XP

Operating System

disc into the source computer.

The

Welcome to Microsoft Windows XP

screen appears.

2

Click

Perform additional tasks

.

3

Under

What do you want to do?

, click

Transfer files and settings

.

The

Files and Settings Transfer Wizard

window appears.

4

Click

5

Under

Which computer is this?

, click

Old Computer

, and then click

6

Under

Select a transfer method

, click the transfer method of your choice,

and then click

7

Under

What do you want to transfer?

, click to select the data you want to

transfer, and then click

The selected data is copied and the

Completing the Collection Phase

screen appears.

8

Click

Finish

.

TRANSFER DATA TO THE DESTINATION COMPUTER —

1

Go to the destination computer.

2

Under

Now go to your old computer

, click

Quick Reference Guide 15

3

Under

Where are the files and settings?

, click to select the method you

chose for transferring your settings and files, and then click

The wizard reads the collected files and settings and applies them to the

destination computer. When the transfer is complete, the

Finished

screen appears.

4

Click

Finished

, and then restart the computer.

Files and Settings Transfer Wizard (Without the Operating System Disc)

To run the Files and Settings Transfer Wizard without the Operating System

disc, you must create a wizard disk. The wizard disk allows you to create

a backup image file on removable media.

NOTE: The Files and Settings Transfer Wizard designates the source computer from

which data is to be transferred as the old computer, and designates the destination

computer to which the data is going to be transferred as the new computer.

CREATE A WIZARD DISK —

1

On the destination computer, click

Start

→

All Programs

→

Accessories

→

System Tools

→

Files and Settings Transfer Wizard

.

2

Under

Which computer is this?

, click

New computer

, and then click

3

Under

Do you have a Windows XP CD?

, click

I want to create a Wizard

Disk in the following drive

, and then click

4

Insert a writable CD or DVD, and then click

OK

.

5

Review the information under

Now go to your old computer

, and then go

to the source computer. Do

not

click

COPY DATA FROM THE SOURCE COMPUTER —

1

Insert the wizard disk into the source computer.

2

Click

Start

→

Run

.

3

Click

Browse...

and navigate to

fastwiz

on the wizard disk, and then click

OK

.

4

Under

Which computer is this?

, click

Old Computer

, and then click

5

Under

Select a transfer method

, click the transfer method of your choice,

and then click

16 Quick Reference Guide

6

Under

What do you want to transfer?

, click to select the data you want to

transfer, and then click

The selected data is copied and the

Completing the Collection Phase

screen appears.

7

Click

Finish

.

TRANSFER DATA TO THE DESTINATION COMPUTER —

1

Go to the destination computer.

2

Under

Now go to your old computer

, click

3

Under

Where are the files and settings?

, click to select the method you

chose for transferring your settings and files, and then click

The wizard reads the collected files and settings and applies them to the

destination computer. When the transfer is complete, the

Finished

screen appears.

4

Click

Finished

, and then restart the computer.

Microsoft Windows Vista

1

Click the Windows Vista Start button , and then click

Transfer files and

settings

→

Start Windows Easy Transfer

.

2

In the

User Account Control

dialog box, click

Continue

.

3

Click

Start a new transfer

or

Continue a transfer in progress

.

Follow the instructions provided on the screen by the Windows Easy Transfer

wizard.

Power Protection Devices

Several devices are available to protect against power fluctuations and failures:

• Surge protectors

• Line conditioners

• Uninterruptible power supplies (UPS)

Quick Reference Guide 17

Surge Protectors

Surge protectors and power strips equipped with surge protection help prevent

damage to your computer from voltage spikes that can occur during electrical

storms or after power interruptions. Some surge protector manufacturers include

warranty coverage for certain types of damage. Carefully read the device warranty

when choosing a surge protector and compare joule ratings to determine the

relative effectiveness of different devices. A device with a higher joule rating offers

more protection.

NOTICE: Most surge protectors do not protect against power fluctuations or power

interruptions caused by nearby lightning strikes. When lightning occurs in your area,

disconnect the telephone line from the telephone wall jack and disconnect your

computer from the electrical outlet.

Many surge protectors have a telephone jack for modem protection. See the

surge protector documentation for modem connection instructions.

NOTICE: Not all surge protectors offer network adapter protection. Disconnect the

network cable from the network wall jack during electrical storms.

Line Conditioners

NOTICE: Line conditioners do not protect against power interruptions.

Line conditioners are designed to maintain AC voltage at a fairly constant level.

Uninterruptible Power Supplies

NOTICE: Loss of power while data is being saved to the hard drive may result in

data loss or file damage.

NOTE: To ensure maximum battery operating time, connect only your computer to

a UPS. Connect other devices, such as a printer, to a separate power strip that

provides surge protection.

A UPS protects against power fluctuations and interruptions. UPS devices

contain a battery that provides temporary power to connected devices when AC

power is interrupted. The battery charges while AC power is available. See the

UPS manufacturer documentation for information on battery operating time

and to ensure that the device is approved by Underwriters Laboratories (UL).

18 Quick Reference Guide

About Your Computer

Front View (Tower Orientation)

1–3 5.25-inch

drive bays

Can hold a CD/DVD drive, or a media card reader, floppy

drive, or a SATA hard drive in a 5.25-inch drive bay carrier.

The hard-drive carrier is only for use in the 5.25-inch drive

bays. The floppy-drive/media card reader and hard-drive

carriers are not interchangeable.

1

2

3

4

5

6

7

8

11

10

13

12

9

Quick Reference Guide 19

4 5.25-inch drive

bay with special

3.5-inch drive

panel plate

Can hold a CD/DVD drive, or a media card reader, a floppy

drive, or a SATA hard drive in a 5.25-inch drive bay carrier. The

drive-panel plate shown here is only for use with a floppy drive

or media card reader; you can install the plate in front of any of

the four 5.25-inch drive bays. For more information, see "Drive

Panels" in your User’s Guide.

The hard-drive carrier is only for use in the 5.25-inch drive bays.

The floppy-drive/media card reader and hard-drive carriers are

not interchangeable.

5 hard-drive

activity light

The hard drive light is on when the computer reads data from

or writes data to the hard drive. The light might also be on

when a device such as your CD drive is operating.

6 IEEE 1394

connector

Use the IEEE 1394 connector for high-speed data devices

such as digital video cameras and external storage devices.

7USB 2.0

connectors (2)

Use the front USB connectors for devices that you connect

occasionally, such as flash memory keys, cameras, or bootable

USB devices.

Dell recommends that you use the back USB connectors for

devices that typically remain connected, such as printers

and keyboards.

8 power button,

power light

Press the power button to turn on the computer. The light in

the center of this button indicates the power state. For more

information, see "Controls and Lights" in your User’s Guide.

NOTE: To avoid losing data, do not use the power button to

turn off the computer. Instead, perform an operating system

shutdown.

9 Dell badge You can rotate the Dell badge so that "Dell" is read horizontally,

depending on whether you use the desktop or tower orientation.

10 headphone

connector

Use the headphone connector to attach headphones.

11 microphone

connector

Use the microphone connector to attach a personal computer

microphone for voice or musical input into a sound or

telephony program.

12 diagnostic

lights (4)

Use these lights to help you troubleshoot a computer

problem based on the diagnostic code. For more information,

see "Diagnostic Lights" in your User’s Guide.

13 network link light The network link light is on when a good connection exists

between a 10-Mbps, 100-Mbps, or 1000-Mbps (or 1-Gbps)

network and the computer.

20 Quick Reference Guide

Back View (Tower Orientation)

CAUTION: Ensure that none of the computer air vents are blocked. Blocking them

can cause serious thermal problems.

1 power connector Connect the power cable.

2 card slots Slots 2–6 support full-length cards, including one PCI, two PCI

Express 2.0 x16, and two PCI-X slots. Slots 1 and 7 support

half-length cards, including one PCI Express x8 (wired as x4)

and one PCI-X slot.

3 back panel

connectors

Plug USB, audio, and other devices into the appropriate

connector (see "Back Panel Connectors" on page 21 for more

information).

1

3

2

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