Dell OptiPlex E1 Bedienerhandbuch

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Throughout this guide, blocks of text may be accompanied by an icon and printed in

bold type or in italic type. These blocks are notes, cautions, and warnings, and they

are used as follows:

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

your computer system.

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Some warnings may appear in alternate formats and may be unaccompanied by an

icon. In such cases, the specific presentation of the warning is mandated by regula-

tory authority.

____________________

Information in this document is subject to change without notice.

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 of Dell Computer

Corporation; Microsoft and Windows NT are registered trademarks of Microsoft Corporation; Intel

is a registered trademark and Celeron is a trademark 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.

December 1998 P/N 1271E Rev. A02

Dell OptiPlex E1 Managed PC SystemsDocumentation Update 1

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This document updates information provided in your online Dell OptiPlex E1 Managed

PC System Users Guide and in your Dell OptiPlex E1 Managed PC Reference and

Installation Guide. It describes the following features:

Microsoft®Advanced Technology Attachment Packet Interface (ATAPI) driver,

which replaces the enhanced integrated drive electronics (EIDE) bus-mastering

driver

New microprocessor options

New online documentation

New System Setup options

New system and setup password features

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The Microsoft-updated ATAPI driver (provided for the Microsoft Windows NT®4.0

operating system) offers a performance improvement by off-loading certain functions

from the system processor during multithreaded operations. Dell has installed the

Microsoft-updated ATAPI driver for your operating system, and it is operative when

you receive your computer. No further installation or configuration is needed.

NOTE: If Windows NT 4.0 is reinstalled, the Microsoft-updated ATAPI drivers must

also be reinstalled.

The driver for Windows NT 4.0 has also been copied to your hard-disk drive in

diskette-image form. If you need to reinstall or remove this driver, you can do so as

described in the following subsections.

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NOTE: To install the Microsoft-updated ATAPI driver for Windows NT 4.0, you must

have a mouse connected to the system and Windows NT 4.0 must already be

installed on the hard-disk drive connected to the primary EIDE channel.

2 Dell OptiPlex E1 Managed PC SystemsDocumentation Update

To reinstall the Microsoft-updated ATAPI driver for Windows NT 4.0, perform the

following steps:

1. If you have not already done so, use the Program Diskette Maker to make a dis-

kette copy of the Microsoft-updated ATAPI driver diskette image on your hard-

disk drive.

The Program Diskette Maker is available through the Dell Accessories program

folder. For more information, refer to the online help provided in the Program

Diskette Maker.

2. Start the Windows NT operating system. If you are already running Windows NT,

close any open documents or application programs.

3. Insert the Microsoft-updated ATAPI driver diskette into drive A.

4. Click the Start button.

5. Click Run, type D?VHWXSEDW in the Run window, and then click OK.

A black screen will quickly appear and disappear, which indicates that the driver

file has been loaded. Setup automatically saves the existing

atapi.sys driver as

atapi.000 and loads the new driver into the system32\drivers subdirectory in the

Windows NT directory.

6. Remove the diskette from drive A. Then restart the computer.

NOTE: To enable or disable direct memory access (DMA) while using the Microsoft-

updated ATAPI driver, run dmacheck.exe from \support\utils\i386 on the Microsoft

Windows NT Service Pack 3 CD.

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To remove the Microsoft-updated ATAPI driver, perform the following steps:

1. Start the Windows NT operating system. If you are already running Windows NT,

close any open documents or application programs.

2. Use Explorer to open the system32\drivers subdirectory in the Windows NT

directory.

3. Rename the existing atapi.sys file to atapi.bak.

4. Rename the atapi.000 file to atapi.sys.

5. Restart the computer.

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The Dell OptiPlex E1 Managed PC system now supports Intel®Celeron

microprocessors with internal processing speeds of 300, 333, 366, and 400 mega-

hertz (MHz). The external processing speed for these microprocessors is 66 MHz.

Dell OptiPlex E1 Managed PC SystemsDocumentation Update 3

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In addition to the online System User's Guide, your system also includes online

versions of the Reference and Installation Guide and the Diagnostics and Trouble-

shooting Guide in portable document format (PDF) files on the hard-disk drive. These

documents are located in the Dell Accessories folder.

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The following subsections provide updated information about some of the categories

listed on the System Setup screen.

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Hard-Disk Drive Sequence lists installed adapter cards and devices in the order they

will be initialized. The first hard-disk drive in the list becomes the bootable drive C.

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Boot Sequence enables you to set the order of the devices from which the system

attempts to boot.

The term boot refers to the systems start-up procedure. When turned on, the

system bootstraps itself into an operational state by loading into memory a

small program, which in turn loads the necessary operating system. Boot

Sequence tells the system where to look for the files that it needs to load.

To set the boot device order, press <Enter> to access the fields pop-up options

menu. Use the up- and down-arrow keys to move through the list of devices. Press

<Enter> to enable or disable a device (enabled devices appear with a check mark).

Press plus (+) or minus () to move a selected device up or down the list. The

following sections detail typical devices.

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Selecting Diskette Drive A: as the first device causes the system to try booting

from drive A first. If the system finds a diskette that is not bootable in the drive or

finds a problem with the drive itself, it displays an error message. If it does not

find a diskette in the drive, the system tries to boot from the next device in the

boot sequence list.

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Selecting Hard-Disk Drive causes the system to attempt to boot first from the

hard-disk drive and then from the next device in the boot sequence list.

4 Dell OptiPlex E1 Managed PC SystemsDocumentation Update

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Selecting IDE CD-ROM Reader causes the system to try booting from the

CD-ROM drive first. If the system finds a CD that is not bootable in the drive or

finds a problem with the drive itself, it displays an error message. If it does not

find a CD in the drive, the system tries to boot from the next device in the boot

sequence list.

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Selecting PXE (Preboot eXecution Environment) causes the system to boot from

the integrated network interface controller (NIC) first. If a boot routine is not

available from the network server, the system tries to boot from the next device

in the boot sequence list.

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Integrated Devices configures the devices integrated with the system board.

Press <Enter> to configure these options.

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Network Interface Controller determines whether the integrated NIC is On, Off, or

On w/ PXE. The default is On w/ PXE, which means that the NIC is enabled and set

to boot the system remotely from a network server.

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ACPI controls the operation of the systems Advanced Configuration and Power

Interface (ACPI) feature. The default is Off.

When ACPI is set to On, momentarily pressing the power button places the system in

a power-saving mode. To turn the system off completely, press the power button for

more than 4 seconds. When ACPI is set to On, interrupt request (IRQ) line 9 is not

available for use by an expansion card.

When ACPI is set to Off, momentarily pressing the power button turns off the system

completely. With this setting, IRQ9 is available for use by an expansion card.

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System Security configures the password and chassis intrusion categories. Press

<Enter> to configure these categories.

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Chassis Intrusion displays the status of the system chassis intrusion monitor and can

be set to Enabled, Enabled-Silent, or Disabled. The default is Enabled.

Dell OptiPlex E1 Managed PC SystemsDocumentation Update 5

If the computer cover is removed while the intrusion monitor is set to

Enabled, the

setting changes to Detected and the following message is displayed during the boot

routine at the next system start-up:

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If the computer cover is removed while the intrusion monitor is set to

Enabled-

Silent, the setting changes to Detected, but the alert message is not displayed during

the boot sequence at the next system start-up.

If the intrusion monitor is set to Disabled, no intrusion monitoring occurs and no

messages are displayed.

To reset the Detected setting, enter the System Setup program during the systems

power-on self-test (POST). At Chassis Intrusion, press any edit key to reset the

setting, and then choose Enabled, Enabled-Silent, or Disabled.

NOTE: When the setup password is enabled, the setup password is required to reset

the Chassis Intrusion category.

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The following subsections update the procedures for using a system password.

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Before you can assign a system password, you must enter the System Setup program

and check the System Password category.

When a system password is assigned, the System Password setting shown is

Enabled. When the system password feature is disabled by a jumper setting on the

system board, the setting shown is Disabled by Jumper. You cannot change or

enter a new system password if the Disabled by Jumper setting is displayed.

When a system password is not assigned, the System Password setting shown is

Not Enabled.

To assign a system password, follow these steps:

1. Enter the System Setup program and verify that the Password Status setting is

Unlocked.

For instructions on changing this setting, see Password Status in Chapter 2 of

your systems Reference and Installation Guide.

2. Highlight System Security and press <Enter>.

3. Highlight System Password and press <Enter>.

4. Type the desired system password in the Enter Password field and press

<Enter>.

You can use up to seven characters in your password.

6 Dell OptiPlex E1 Managed PC SystemsDocumentation Update

As you press each character key (or the spacebar for a blank space), a placeholder

appears in the field.

The password assignment operation recognizes keys by their location on the key-

board, without distinguishing between lowercase and uppercase characters. For

example, if you have anM in your password, the system recognizes eitherMor m

as correct.

Certain key combinations are not valid. If you enter one of these combinations,

the system emits a beep.

To erase a character when entering your password, press <Backspace> or the

left-arrow key.

NOTE: To escape from the field without assigning a system password, press

<Esc>.

5. Type the desired system password in the Confirm Password field and press

<Enter>.

The system password is now assigned and is Enabled. You can exit the System

Setup program and begin using your system. Password protection takes effect

after the system reboots.

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The following subsections update the procedures for using a setup password.

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A setup password can be assigned (or changed) only when

Setup Password is set to

Not Enabled. To assign a setup password, follow these steps:

1. Enter the System Setup program.

2. Highlight System Security and press <Enter>.

3. Highlight Setup Password and press <Enter>.

4. Type the desired setup password in the Enter Password field and press <Enter>.

If a character is illegal for password use, the system emits a beep.

5. Type the desired setup password in the Confirm Password field and press

<Enter>.

The setup password is now assigned. The Setup Password setting changes

from Not Enabled to Enabled.

NOTE: The setup password can be the same as the system password. If the two

passwords are different, the setup password can be used as an alternate system

password. However, the system password cannot be used in place of the setup

password.

Dell OptiPlex E1 Managed PC SystemsDocumentation Update 7

After you verify the password, the Setup Password setting changes to Enabled. The

next time you enter the System Setup program, the system prompts you for the

setup password.

A change to the Setup Password setting becomes effective immediately (rebooting

the system is not required).

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If Setup Password is set to Enabled, you must enter the correct setup password

before you can modify the majority of the System Setup categories.

When you start the System Setup program, the System Setup screen appears with

Setup Password highlighted, prompting you to type the password.

If you do not enter the correct password, the system lets you view, but not modify,

the System Setup screen, with one exception: If Password Status is set to

Unlocked, you may modify the system password.

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If you forget your system or setup password, you cannot operate your system or

change settings in the System Setup program, respectively, until you remove the

computer cover, change the password jumper setting to disable the password(s), and

erase the existing password(s).

To disable a forgotten password, follow these steps.

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1. Remove the computer cover according to the instructions in Removing the

Computer Cover in Chapter 5 in your Reference and Installation Guide.

2. Remove the jumper plug from the PSWD jumper to disable the password

features.

Refer to Figure 1-1 for the location of the password jumper (labeled PSWD) on

the system board.

3. Replace the computer cover.

4. Reconnect your computer and peripherals to their electrical outlets, and then turn

them on.

Booting your system with the PSWD jumper plug removed erases the existing

password(s).

8 Dell OptiPlex E1 Managed PC SystemsDocumentation Update

NOTE: After you remove and replace the cover, the chassis intrusion detector will

cause the following message to be displayed at the next system start-up:

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5. To reset the chassis intrusion detector, enter the System Setup program and

reset Chassis Intrusion.

See Chassis Intrusion in Chapter 2 of your Reference and Installation Guide for

instructions.

NOTE: If a setup password has been assigned by someone else, contact your

network administrator for information on resetting the chassis intrusion detector.

6. In the System Setup program, verify that the password is disabled. Continue with

this procedure if you want to assign a new password.

NOTE: Before you assign a new system and/or setup password, you must replace the

PSWD jumper plug.

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7. Remove the computer cover according to the instructions in Removing the

Computer Cover in Chapter 5 in your Reference and Installation Guide.

8. Replace the PSWD jumper plug.

9. Replace the computer cover, and then reconnect the computer and peripherals to

their electrical outlets and turn them on.

Booting with the PSWD jumper installed reenables the password features. When

you enter the System Setup program, both password settings appear as

Not

Enabled, meaning that the password features are enabled but that no passwords

have been assigned.

NOTE: After you remove and replace the cover, the chassis intrusion detector will

cause the following message to be displayed at the next system start-up:

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10. To reset the chassis intrusion detector, enter the System Setup program and

reset Chassis Intrusion.

See Chassis Intrusion in Chapter 2 of your Reference and Installation Guide for

instructions.

NOTE: If a setup password has been assigned by someone else, contact your

network administrator for information on resetting the chassis intrusion detector.

11. Assign a new system and/or setup password.

To assign a new system password, see Assigning a System Password found

earlier in this document. To assign a new setup password, see Assigning a

Setup Password found earlier in this document.

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