Dell 1U919 User Manual

Dell™ OptiPlex™ SX Systems

Setup and Quick Reference Guide

Guide de configuration et de référence rapide

Guía de configuración y de referencia rápida

Model DCT

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Dell™ OptiPlex™ SX Systems

Setup and Quick Reference Guide

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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.

Abbreviations and Acronyms

For a complete list of abbreviations and acronyms, see the “Glossary” in the

User’s Guide.

If you purchased a Dell™ n Series computer, any references in this

document to Microsoft

Windows® operating systems are not applicable.

____________________

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

Trademarks used in this text: Dell, OptiPlex, and the DELL logo are trademarks ofDell Computer Corporation; Microsoft and Windows are registered trademarks of Microsoft Corporation; Intel, Pentium, and Celeron are registered trademarks of Intel Corporation.

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 Computer Corporation disclaims any proprietary interest in trademarks and trade names other than its own.

May 2003 P/N 1U919 Rev. A02

About This Guide . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Features

CAUTION: Safety Instructions

When Using Your Computer

Getting Started/Setup

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General

When Working Inside Your Computer Protecting Against Electrostatic Discharge Ergonomic Computing Habits Battery Disposal

Determine the Computer’s Placement and Orientation Installing a Device in the Module Bay Attaching the Stand Connecting the AC Adapter Connecting External Devices Attaching the Cable Cover Attaching the Stand to the Mounting Plate

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Finding Information and Assistance . . . . . . . . . . . . . . . . 21

Solving Problems

Using the Dell Drivers and Utilities CD Running the Dell Diagnostics Running the Dell IDE Hard-Drive Diagnostics

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Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . 26

Class A Class B

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Contents 3

Limited Warranties and Return Policy . . . . . . . . . . . . . . 29

Limited Warranty for the U.S. "Total Satisfaction" Return Policy (U.S. Only) Limited Warranty Terms for Canada "Total Satisfaction" Return Policy Dell Software and Peripherals

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One-Year End-User Manufacturer Guarantee (Latin America and the Caribbean Only)

Warranty Statement for Pentium® and Celeron®

Intel Processors Only (U.S. and Canada Only)

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4 Contents

About This Guide

2 USB sl

This document contains getting started/setup; solving problems; and safety, regulatory, and warranty information about your Dell computer.

To obtain the latest versions of the documents on your hard drive, go to the Dell Support website at support.dell.com.

Regulatory Model Number and Chassis Type

DCT = Ultra small formfactor (USF) computer

™ OptiPlex™

Features

ots, headphone

and microphone connectors

power button

button

mounting s (insert stand for vertical position)

module baymodule release

mounting s stand for hanging horizontal position)

ot (insert

computer cover/hard-drive cover release button

Setup and Quick Reference Guide 5

mounting slot (insert stand for hanging vertical position)

diagnostic LEDs

cable cover hard-drive cover (open

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module bay computer cover cover to access module device locking switch)

power adapter

6 Setup and Quick Reference Guide

chassis-stand mounting plate

computer stand

CAUTION: Safety Instructions

Use the following safety guidelines to help ensure your own personal safety and to help protect your computer and working environment from potential damage.

General

• Do not attempt to service the computer yourself unless you are a trained service technician. Always follow installation instructions closely.

• To help prevent electric shock, plug the computer and device power cables into properly grounded electrical outlets. These cables are equipped with 3-prong plugs to help ensure proper grounding. Do not use adapter plugs or remove the grounding prong from a cable. If you must use an extension cable, use a 3-wire cable with properly grounded plugs.

• To help avoid the potential hazard of electric shock, do not use your computer during an electrical storm.

• To help avoid the potential hazard of electric shock, do not connect or disconnect any cables or perform maintenance or reconfiguration of this product during an electrical storm.

• If your computer includes a modem, the cable used with the modem should be manufactured with a minimum wire size of 26 American wire gauge (AWG) and an FCCcompliant RJ-11 modular plug.

• Before you clean your computer, disconnect the computer from the electrical outlet. Clean your computer with a soft cloth dampened with water. Do not use liquid or aerosol cleaners, which may contain flammable substances.

• To help avoid possible damage to the system board, wait 5 seconds after turning off the computer before disconnecting a device from the computer.

Setup and Quick Reference Guide 7

CAUTION: Safety Instructions (continued)

• To avoid shorting out your computer when disconnecting a network cable, first unplug the cable from the network adapter on the back of your computer, and then from the network jack. When reconnecting a network cable to your computer, first plug the cable into the network jack, and then into the network adapter.

• To help protect your computer from sudden, transient increases and decreases in electrical power, use a surge suppressor, line conditioner, or uninterruptible power supply (UPS).

• Ensure that nothing rests on your computer’s cables and that the cables are not located

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where they can be stepped on or tripped over.

• Do not push any objects into the openings of your computer. Doing so can cause fire or electric shock by shorting out interior components.

• Keep your computer away from radiators and heat sources. Also, do not block cooling vents. Avoid placing loose papers underneath your computer; do not place your computer in a closed-in wall unit or on a bed, sofa, or rug.

• Do not spill food or liquids on your computer. If the computer gets wet, consult your

User’s Guide.

• Do not use your computer during an electrical storm unless the AC adapter cable has been disconnected from the electrical outlet.

• When you use the AC adapter to run the computer, place the AC adapter in a ventilated area, such as a desk top or on the floor.

• The AC adapter may become hot during normal operation of your computer. Use care when handling the adapter during or immediately after operation.

8 Setup and Quick Reference Guide

When Using Your Computer

As you use your computer, observe the following safe-handling guidelines.

CAUTION: Do not operate your computer with any cover(s) (including computer

covers, bezels, filler brackets, front-panel inserts, and so on) removed.

• Your computer is equipped with one of the following:

– A fixed-voltage power supply — Computers with a fixed-voltage power supply do not

have a voltage selection switch on the back panel and operate at only one voltage (see the regulatory label on the outside of the computer for its operating voltage).

– An auto-sensing voltage circuit — Computers with an auto-sensing voltage circuit do

not have a voltage selection switch on the back panel and automatically detect the correct operating voltage.

– A manual voltage selection switch — Computers with a voltage selection switch on

the back panel must be manually set to operate at the correct operating voltage.

NOTICE: To help avoid damaging a computer with a manual voltage selection switch, set the

switch for the voltage that most closely matches the AC power available in your location. For Japan, the voltage selection switch must be set to the 115-V position even though the AC power available in Japan is 100 V. Also, ensure that your monitor and attached devices are electrically rated to operate with the AC power available in your location.

• Before working inside the computer, unplug the computer to help prevent electric shock or system board damage. Certain system board components continue to receive power any time the computer is connected to AC power.

Setup and Quick Reference Guide 9

When Using Your Computer (continued)

When Working Inside Your Computer

Before you open the computer cover, perform the following steps in the sequence indicated.

CAUTION: Do not attempt to service the computer yourself, except as explained in

your online Dell™ documentation or in instructions otherwise provided to you by Dell. Always follow installation and service instructions closely.

NOTICE: To help avoid possible damage to the system board, wait 5 seconds after turning off the

computer before removing a component from the system board or disconnecting a device from the computer.

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Perform an orderly computer shutdown using the operating system menu.

2 Turn off your computer and any devices connected to the computer.

3 Ground yourself by touching an unpainted metal surface on the chassis, such as the metal

around the card-slot openings at the back of the computer, before touching anything inside your computer.

While you work, periodically touch an unpainted metal surface on the computer chassis to dissipate any static electricity that might harm internal components.

4 Disconnect your computer and devices, including the monitor, from their electrical

outlets. Also, disconnect any telephone or telecommunication lines from the computer.

Doing so reduces the potential for personal injury or shock.

In addition, take note of these safety guidelines when appropriate:

• When you disconnect a cable, pull on its connector or on its strain-relief loop, not on the cable itself. Some cables have a connector with locking tabs; if you are disconnecting this type of cable, press in on the locking tabs before disconnecting the cable. As you pull connectors apart, keep them evenly aligned to avoid bending any connector pins. Also, before you connect a cable, ensure that both connectors are correctly oriented and aligned.

• Handle components and cards with care. Do not touch the components or contacts on a card. Hold a card by its edges or by its metal mounting bracket. Hold a component such as a microprocessor chip by its edges, not by its pins.

CAUTION: There is a danger of a new battery exploding if it is incorrectly installed.

Replace the battery only with the same or equivalent type recommended by the manufacturer. Do not dispose of the battery along with household waste. Contact your local waste disposal agency for the address of the nearest battery deposit site.

10 Setup and Quick Reference Guide

When Using Your Computer (continued)

Protecting Against Electrostatic Discharge

Static electricity can harm delicate components inside your computer. To prevent static damage, discharge static electricity from your body before you touch any of your computer’s electronic components, such as the microprocessor. You can do so by touching an unpainted metal surface on the computer chassis.

As you continue to work inside the computer, periodically touch an unpainted metal surface to remove any static charge your body may have accumulated.

You can also take the following steps to prevent damage from electrostatic discharge (ESD):

• Do not remove components from their antistatic packing material until you are ready to install the component in your computer. Just before unwrapping the antistatic packaging, discharge static electricity from your body.

• When transporting an electrostatic sensitive component, first place it in an antistatic container or packaging.

• Handle all electrostatic sensitive components in a static-safe area. If possible, use antistatic floor pads and workbench pads.

Ergonomic Computing Habits

CAUTION: Improper or prolonged keyboard use may result in injury. CAUTION: Viewing the monitor screen for extended periods of time may result in

eye strain.

For comfort and efficiency, observe the ergonomic guidelines in your User’s Guide when setting up and using your computer.

Battery Disposal

Your computer uses a lithium coin-cell battery. The lithium coin-cell battery is a long-life battery, and it is very possible that you will never need to replace it. However, should you need to replace it, see your User’s Guide.

Do not dispose of the battery along with household waste. Contact your local waste disposal agency for the address of the nearest battery deposit site.

Setup and Quick Reference Guide 11

NOTE: If you want to

orient your computer vertically or horizontally under a desktop or tabletop, see "Attaching the Stand" on page 14 and

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"Attaching the Stand to the Mounting Plate" on page 19.

Getting Started/Setup

NOTICE: Do not turn on your computer until all setup steps are completed.

Determine the Computer’s Placement and Orientation

NOTICE: Do not place your monitor on the computer. Use a monitor stand. NOTICE: In a high-vibration environment or when installing the computer

overhead, use the optional wall-mount bracket instead of the chassis stand. To order this bracket, contact Dell.

NOTICE: To ensure proper ventilation, do not place your computer vertically

on a desktop without using the computer stand (see "Attaching the Stand").

NOTICE: To ensure proper ventilation, do not block the cooling vents.

12 Setup and Quick Reference Guide

Installing a Device in the Module Bay

Your Dell computer ships with either a floppy drive or an airbay installed in the module bay. To install a CD, DVD, or second hard drive in the module bay, first remove the airbay and then install the device.

NOTE: To locate the

module device locking switch, remove the harddrive cover.

module device locking switch

Setup and Quick Reference Guide 13

NOTE: If you are

installing the computer under a desktop or tabletop, first attach all cables, and then attach the stand to the mounting plate (see "Attaching the Stand to the Mounting Plate" on page 19).

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Attaching the Stand

Raise the captive screw and slide the chassis stand slat into one of three mounting slots on the back of the computer.

2 When the stand is in place, tighten the screw.

NOTICE: If your computer is oriented under a desktop or tabletop and is in a

high-vibration environment, use the optional wall-mount bracket instead of the computer stand.

Connecting the AC Adapter

NOTE: The power

adapter LED will light when the adapter is properly plugged into a wall outlet and into the computer.

14 Setup and Quick Reference Guide

Connect the power adapter to the connector on the back of the

computer.

2 Connect the power cable to the power adapter.

NOTICE: The following steps apply to Japan only.

CAUTION: If you decide to connect the green ground wire to an

electrical outlet, do not permit contact between the green ground wire and power leads because electrical shock, fire, or damage to your computer can occur (see the following figure).

If you decide not to connect the green ground wire to an electrical outlet, go to step 4.

3 Connect the metal ground connector to the grounding source on the

outlet (see the following figure):

a Loosen the grounding source.

b Slide the metal ground connector behind the grounding source,

and then tighten the grounding source.

grounding source

metal ground connector

4 Connect the AC power cable to the outlet.

Setup and Quick Reference Guide 15

NOTE: Connect only one

keyboard and one mouse.

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Connecting External Devices

CAUTION: To help prevent electric shock, use only the power

adapter and power cable provided, and ensure that they are plugged into a properly grounded power source.

16 Setup and Quick Reference Guide

Attaching the Cable Cover

NOTICE: If you are installing the computer under a desktop or tabletop, do

not attach the cable cover until the computer is firmly attached to the mounting plate (see Step 7, "Attaching the Stand to the Mounting Plate" on page 19).

NOTICE: If you use the stand on your computer, attach the stand before

attaching the cable cover.

security cable slot

Do not place the computer facedown on the bezel

NOTICE: When attaching the cable cover, do not place the computer face-

down so that the surface comes in contact with a hard surface. Doing so may press the power button and may scratch the face of the computer.

Attach all of the cables to the back of the computer.

2 Hold the bottom piece of the cable cover and align the four tabs with

the four slots on the computer’s back panel.

3 Insert the tabs into the slots and slide the piece toward the diagnostic

lights (see the illustration) until it is securely positioned.

4 Grasp the top piece of the cable cover and align the two tabs with the

two slots in the computer’s back panel.

Setup and Quick Reference Guide 17

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5 Insert the tabs into the slots and slide the piece toward the diagnostic

lights (see the illustration).

6 Install a security device in the security cable slot (optional).

To remove the cable cover, remove the device installed in the security cable slot (optional).

1 Grasp the top piece of the cable cover and slide it to the left until it

stops, and then lift it up and away.

2 To remove the bottom piece of the cable cover, while pressing the

lever, slide the piece to the left until it stops, and then lift it up and away.

18 Setup and Quick Reference Guide

Attaching the Stand to the Mounting Plate

NOTICE: When installing the computer in the hanging orientation, avoid

locations where it will be bumped by a user’s legs or chair.

CAUTION: Attach the mounting plate to a solid surface capable of

supporting 40 lbs (18.1 kg) hanging weight.

screw holes (4)

mounting-plate slot

release-lever tab

Using the four #6 wood screws (0.625 inch; 15.88 mm) provided, attach the mounting plate to a solid surface with a minimum thickness of 1 inch (2.5 cm).

2 Orient the computer and stand under the mounting plate

approximately 1 inch (2.5 cm) from the edge of the mounting plate.

NOTICE: Make sure that you snap the release-lever tab securely into the

mounting-plate slot.

solid surface with a 1-inch (2.5 cm) minimum thickness

NOTE: Before attaching

the mounting plate to a surface, first orient yourself with how the stand will attach to the mounting plate.

Setup and Quick Reference Guide 19

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3 Lift the computer and stand, insert the stand into the mounting

bracket, and slide the stand until the release-lever tab is inserted through the slot in the mounting plate.

mounting-plate slot

release-lever tab (fully seated)

4 Attach the cable cover (if used).

NOTICE: When completing your computer setup, secure all cables toward the

back of your work area to prevent the cables from being pulled, tangled, or stepped on.

Turn on the computer, read the software license agreement, and

follow the operating system setup instructions on the screen.

Congratulations! You have completed your system setup.

20 Setup and Quick Reference Guide

Finding Information and Assistance

What Are You Looking For? Find it Here

• A diagnostic program for my computer

• Drivers for my computer

• My computer documentation

• My device documentation

Drivers and Utilities CD (also known as the ResourceCD)

You can use this CD to access documentation, reinstall drivers, or run diagnostics tools.

• Express Service Code and Service Tag Number

• Microsoft

• How to remove and replace parts

• Technical specifications

• How to configure system settings

• How to troubleshoot and solve problems

Windows® License Label

Express Service Code and Product Key

Located on your computer.

User’s Guide

Depending on your operating system, double-click the User’s Guides icon on your desktop or click the Start button and then click Help and Support to access the electronic documentation stored on your hard drive.

Setup and Quick Reference Guide 21

What Are You Looking For? Find it Here

• How to reinstall my operating system Operating System CD and Installation Guide

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• Latest drivers for my computer

• Answers to technical service and support questions

• Online discussions with other users and technical support

• Documentation for my computer

• Service call status

• Top technical issues for my computer

• Frequently asked questions

• File downloads

• Details on my computer’s configuration

• Service contract for my computer

• How to use Windows XP

• Documentation for my computer and devices

If you reinstall your operating system, use the Drivers and Utilities CD to reinstall drivers for the devices that came with your computer.

Dell Support website

The Dell Support website provides several online tools, including:

• Knowledge Base — hints, tips, and online courses

• Customer Forum — online discussion with other Dell customers

• Upgrades — upgrade information for components, such as memory, the hard drive, and the operating system

• Customer Care — contact information, order status, warranty, and repair information

• Downloads — drivers, patches, and software updates

• Reference — computer documentation, product specifications, and white papers

Dell Premier Support website

The Dell Premier Support website is customized for corporate, government, and education customers. This site may not be available in all regions.

Windows XP Help and Support Center

1 Click the Start button, and then click Help and Support. 2 Type a word or phrase that describes your problem, and then

click the arrow icon.

3 Click the topic that describes your problem. 4 Follow the instructions shown on the screen.

22 Setup and Quick Reference Guide

Solving Problems

Dell provides a number of tools to help you if your system does not perform as expected. For the latest troubleshooting information available for your system, see the Dell Support website at support.dell.com. You can also find descriptions of Dell troubleshooting tools in the section titled "Getting Help" in your online User’s Guide.

If computer problems occur that require help from Dell, write a detailed description of the error, beep codes, or diagnostics light patterns; record your Express Service Code and Service Tag Number below; and then contact Dell from the same location as your computer.

See "Finding Information and Assistance" on page 21 for an example of the express service code and service tag numbers.

Express Service Code:___________________________

Service Tag Number:___________________________

Your computer includes the following tools that can help you solve a problem:

Dell Diagnostics — The Dell Diagnostics tests various components in your computer and helps to identify the cause of computer problems. For more information, see "Running the Dell Diagnostics" on page 24.

The following features can indicate a possible failure and help you troubleshoot a computer problem. See your User’s Guide for more information —

System Lights — Located on the front of the computer Diagnostic Lights — Located on the back of the computer System Messages — Appear on your monitor screen Beep Codes — A series of audible beeps emitted by your computer

Setup and Quick Reference Guide 23

Using the Dell Drivers and Utilities CD

To use the Dell Drivers and Utilities CD while you are running the Microsoft

Windows® operating system, perform the following steps:

NOTE: To access device

drivers and user documentation, you must use the Drivers and Utilities CD while you are running Windows.

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Turn on the computer and allow it to boot to the Windows desktop.

2 Insert the Dell Drivers and Utilities CD into the CD drive.

If you are using the Drivers and Utilities CD for the first time on this computer, the installation window opens to inform you that the CD is about to begin installation.

3 Click OK to continue.

To complete the installation, respond to the prompts offered by the installation program.

4 Click Next at the Welcome Dell System Owner screen.

5 Choose the appropriate System Model, Operating System, Device

Ty p e , and Topic.

Drivers for Your Computer

To display a list of device drivers for your computer, perform the following steps:

1 Click My Drivers in the Topic pull-down menu.

The Drivers and Utilities CD scans your computer’s hardware and operating system, and then a list of device drivers for your system configuration is displayed on the screen.

2 Click the appropriate driver and follow the instructions to download

the driver to your computer.

To view all available drivers for your computer, click Drivers from the Top i c pull-down menu.

Running the Dell Diagnostics

The Dell Diagnostics is a program that tests various components in your computer. Run this program whenever you have a computer problem to help you identify the source of the problem.You can run the Dell Diagnostics from your hard drive or the Drivers and Utilities CD.

24 Setup and Quick Reference Guide

From the Hard Drive:

NOTICE: If your hard drive fails, run the Dell IDE Hard-Drive Diagnostics

(see "Running the Dell IDE Hard-Drive Diagnostics" on page 26).

Shut down and restart the computer.

2 When the DELL™ logo appears, press <F12> immediately.

If you wait too long and the Windows logo appears, continue to wait until you see the Windows desktop. Then shut down your computer through the Start menu and try again.

3 When the boot device list appears, highlight Boot to Utility Partition

and press <Enter>.

4 When the Dell Diagnostics Main Menu appears, select the test you

want to run.

5 Close the test screen to return to the Main Menu screen. To exit the

Dell Diagnostics and restart the computer, close the Main Menu screen.

From the Drivers and Utilities CD:

1 Insert the Drivers and Utilities CD into the CD drive.

2 Shut down and restart the computer.

When the DELL logo appears, press <F12> immediately.

If you wait too long and the Windows logo appears, continue to wait until you see the Windows desktop. Then shut down your computer through the Start menu and try again.

When the boot device list appears, highlight IDE CD-ROM Device

and press <Enter>.

4 Select the IDE CD-ROM Device option from the CD boot menu.

5 Select the Boot from CD-ROM option from the menu that appears. 6 Ty p e 1 to start the ResourceCD menu.

NOTE: If you receive a

message stating that no Diagnostics utility partition has been found, follow the instructions to run the Dell Diagnostics from your Drivers and Utilities CD.

NOTE: This feature

changes the boot sequence for one time only. On the next start-up, the computer boots according to the devices specified in system setup.

7 Ty p e 2 to start the Dell Diagnostics.

8 Select Run the 32 Bit Dell Diagnostics from the numbered list. If

multiple versions are listed, select the version appropriate for your platform.

Setup and Quick Reference Guide 25

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9 When the Dell Diagnostics Main Menu appears, select the test you

want to run.

10 When the tests are completed, remove the CD.

Running the Dell IDE Hard-Drive Diagnostics

The Dell IDE Hard-Drive Diagnostics is a utility that tests the hard drive to troubleshoot or confirm a hard-drive failure.

1 Turn on your computer (if your computer is already on, restart it). 2 When F2 = Setup appears in the upper-right corner of the screen,

press <Ctrl><Alt><D>.

3 Follow the instructions on the screen.

If a failure is reported, see "Hard Drive Problems" in your User’s Guide.

Regulatory Information

Electromagnetic Interference (EMI) is any signal or emission, radiated in free space or conducted along power or signal leads, that endangers the functioning of a radio navigation or other safety service or seriously degrades, obstructs, or repeatedly interrupts a licensed radio communications service.

Your Dell computer system is designed to comply with applicable regulations regarding EMI. Changes or modifications not expressly approved by Dell could void the user’s authority to operate the equipment.

Dell computer systems are designed, tested, and classified for their intended electromagnetic environment. These electromagnetic environment classifications fall into two groups:

NOTE: Inspect the

regulatory label affixed to the back or bottom of your Dell system to determine the environments in which your system may be operated.

26 Setup and Quick Reference Guide

• Class A designates a device which may be operated in business or industrial environments only.

• Class B designates a device which may be operated in residential settings as well as business or industrial environments.

Class A

Class A equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the Federal Communications Commission (FCC) Rules. These limits are designed to provide reasonable protection against harmful interference in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his/her own expense.

Class B

Class B equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna

• Increase the separation between the equipment and receiver

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected

• Consult Dell or an experienced radio/TV technician for help

Setup and Quick Reference Guide 27

NOTE: Additional

regulatory information regarding your system can be found in your User’s Guide.

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28 Setup and Quick Reference Guide

+ 86 hidden pages