Compaq 243850-002 User manual

b

Hardware Reference Guide

Compaq Evo Desktop Family: Desktop

Models

Document Part Number: 243850-002

January 2002

This book provides basic information for upgrading this series of

computers.

Compaq, the Compaq logo, and Evo are trademarks of Compaq Information

Technologies Group, L.P.

Microsoft, MS-DOS, Windows, Windows NT are trademarks of Microsoft

Corporation.

Intel, Pentium, Intel Inside, and Celeron are trademarks of Intel Corporation.

All other product names mentioned herein may be trademarks of their respective

companies.

Compaq shall not be liable for technical or editorial errors or omissions

contained herein. The information in this document is provided “as is” without

warranty of any kind and is subject to change without notice. The warranties for

Compaq products are set forth in the express limited warranty statements

accompanying such products. Nothing herein should be construed as

constituting an additional warranty.

Å

WARNING: Text set off in this manner indicates that failure to follow

directions could result in bodily harm or loss of life.

Ä

CAUTION: Text set off in this manner indicates that failure to follow

directions could result in damage to equipment or loss of information.

Printed in the U.S.A.

Hardware Reference Guide

Second Edition (January 2002)

Document Part Number: 243850-002

Hardware Reference Guide iii

Contents

1 Product Features

Standard Configuration Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1

Front Panel Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2

Rear Panel Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3

Easy Access Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4

Easy Access Software. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5

Reprogramming the Easy Access Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5

Locking and Unlocking the Easy Access Buttons . . . . . . . . . . . . . . . . . . . . . . . . . 1–5

Easy Access Paper Icon Insert . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6

Windows Logo Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6

Special Mouse Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6

Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–7

2 Hardware Upgrades

Serviceability Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1

Installation Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1

Removing the Computer Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3

Replacing the Computer Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–4

Removing the Front Bezel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–5

Removing Bezel Blanks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–5

Installing Additional Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–6

DIMMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–6

Installing or Removing an Expansion Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9

Removing an Expansion Slot Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9

Removing or Installing an Expansion Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–10

Drive Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–12

Removing a Drive from the Drive Bay. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–13

Installing Additional Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–14

Installing a CD-ROM, DVD-ROM, or other Removable Storage Device . . . . . . 2–15

Installing a Hard Drive into a 3.5-inch Drive Bay . . . . . . . . . . . . . . . . . . . . . . . . 2–16

iv Hardware Reference Guide

Contents

A Specifications

B Hard Drive Installation Guidelines

Using the Cable-Select Feature with Ultra ATA Devices. . . . . . . . . . . . . . . . . . . . . . . B–1

Guidelines for Installing Ultra ATA Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–2

SCSI Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–3

Guidelines for Using SCSI Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–3

Guidelines for Installing Optional SCSI Devices . . . . . . . . . . . . . . . . . . . . . . . . . . B–5

SCSI Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–5

SCSI Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–6

Using a SCSI Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–6

Using SCSISelect with SCSI Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–6

Choosing the Quiet Drive Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–7

C Battery Replacement

D Security Lock Provisions

Installing a Security Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . D–1

E Electrostatic Discharge

Preventing Electrostatic Damage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E–1

Grounding Methods. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . E–1

F Routine Computer Care and Shipping Preparation

Routine Computer Care. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–1

CD-ROM Drive Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–2

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–2

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–2

Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–2

Shipping Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–3

Hardware Reference Guide 1–1

1

Product Features

Standard Configuration Features

The Compaq Evo™ Desktop features may vary depending on your

model. For a complete listing of the hardware and software installed

in your computer, run Compaq Diagnostics for Windows or the

INSPECT utility (available on some models). Instructions for using

these utilities are provided in the Troubleshooting Guide on the

Reference Library CD.

1–2 Hardware Reference Guide

Product Features

Front Panel Components

1 Diskette Drive Activity Light 6 Hard Drive Activity Light

2 Power Button 7 Microphone Connector (optional)

3 Diskette Eject Button 8 Universal Serial Bus (USB)

(optional)

4 CD-ROM Drive Busy Indicator 9 Stereo Headphone Jack (optional)

5 CD-ROM Eject Button - Power On Light

Hardware Reference Guide 1–3

Product Features

Rear Panel Components

Å

WARNING: To reduce the risk of electric shock or damage to the equipment:

■ Do not disable the power supply cord grounding plug. The grounding

plug is an important safety feature.

■ Plug the power cord into a grounded (earthed) electrical outlet that

is easily accessible at all times.

■ Disconnect the power from the computer by unplugging the power

cord from either the electrical outlet or the computer.

Rear Panel Components

1 Power Cord Connector 7 Parallel Port Connector

2 Voltage Select Switch 8 Microphone Connector

3 Keyboard Connector 9 Line-In Audio

4 Mouse Connector - Line-Out Audio

5 Universal Serial Bus (USB) q Serial Connector

6 RJ-45 Connector

1–4 Hardware Reference Guide

Product Features

Easy Access Keyboard

Compaq Easy Access Keyboard Components

1 Ctrl Key Used in combination with another key; its effect

depends on the application software you are using.

2 Windows Logo Key* Used to open the Start menu in Microsoft Windows.

Used in combination with other keys to perform other

functions.

3 Alt Key Used in combination with another key; its effect

depends on the application software you are using.

4 Application Key* Used (like the right mouse button) to open pop-up

menus in a Microsoft Office application. May perform

other functions in other software applications.

5 Internet Keys Provides quick access to specific Internet destinations.

Hardware Reference Guide 1–5

Product Features

Easy Access Software

Your Easy Access Keyboard Buttons are programmed to default

assignments. The pre installed Easy Access Software allows you to

reprogram the Easy Access Buttons to reflect your personal

preferences. The buttons can be reprogrammed to any program or

service of your choice or to any Web site (URL).

Reprogramming the Easy Access Buttons

The Easy Access Keyboard icon is located on the Windows desktop

status bar. Refer to the Readme-user.txt file for instructions about

reprogramming the Easy Access Buttons.

Locking and Unlocking the Easy Access Buttons

The System Administrator can lock and unlock the Easy Access

Buttons. Once locked, the buttons can only be reprogrammed by

modifying the .bcf file. For administrative privileges, which require

control of the Easy Access Button destinations, refer to the

Readme-admin.txt file.

6 Editing Keys Includes the following: Insert, Home, Page Up, Delete,

End, and Page Down.

✎

Holding down Ctrl and Alt while pressing Delete

allows you to restart your computer.

7 Num Lock light Indicates whether the Num Lock feature is on or off.

8 Caps Lock light Indicates whether the Caps Lock feature is on or off.

9 Scroll Lock light Indicates whether the Scroll Lock feature is on or off.

*Keys available in select geographic regions.

Compaq Easy Access Keyboard Components (Continued)

1–6 Hardware Reference Guide

Product Features

Easy Access Paper Icon Insert

The paper icon insert functions as a visual aid in identifying the

programmed destination of each Easy Access Button. Whenever you

reprogram an Easy Access Button, use the Paper Insert Template

document to select and print an icon that reflects the new button

assignment. The Paper Insert Template.doc is installed, by default,

under C:\Program files\Compaq\Easy Access Keyboard.

For proper alignment, the spacing around the icons may require

adjustment.

Windows Logo Key

Use the Windows Logo Key in combination with other keys to

perform certain functions available in the Windows operating

systems.

Special Mouse Functions

Most software applications support the use of a mouse. The functions

assigned to each mouse button depend on the software applications

you are using.

Windows Logo Key + F1 Displays a pop-up menu for the selected object

Windows Logo Key + Tab Activates the next Taskbar button

Windows Logo Key + e Launches Explore My Computer

Windows Logo Key + f Launches Find Document

Windows Logo Key + Ctrl + f Launches Find Computer

Windows Logo Key + m Minimizes all open applications

Shift + Windows Logo Key + m Undoes Minimize All

Windows Logo Key + r Displays the Run dialog box

Hardware Reference Guide 1–7

Product Features

Serial Number Location

Each computer has a unique serial number which may be located on

the cover top 1 or the rear panel 2 of the computer. Keep this number

available for use when contacting Compaq customer service for

assistance.

Serial Number Location

1–8 Hardware Reference Guide

Product Features

Hardware Reference Guide 2–1

2

Hardware Upgrades

Serviceability Features

Your computer includes features that make it easier to upgrade and

service.

Installation Sequence

It is very important that you follow this sequence of steps to ensure

the proper installation of any optional equipment. For more

information about Computer Setup, refer to the Computer Setup

Guide.

1. If the computer is already on, turn it off and disconnect the power

cord from the wall outlet.

Å

WARNING: To reduce the risk of personal injury from electrical shock

and/or hot surfaces, be sure to disconnect the power cord from the wall

outlet, and allow the internal system components to cool before

touching.

Å

WARNING: To reduce the risk of electrical shock, fire, or damage to the

equipment, do not plug telecommunications/telephone connectors into

the network interface controller (NIC) receptacles.

Ä

CAUTION: Static electricity can damage the electrical components of

the computer or optional equipment. Before beginning these

procedures, ensure that you are discharged of static electricity by briefly

touching a grounded metal object. See Appendix E, “Electrostatic

Discharge,” for more information.

2. Open the computer by removing its outside cover. See the

procedures for removing the computer cover.

2–2 Hardware Reference Guide

Hardware Upgrades

3. Install any optional equipment. See the applicable sections of this

guide or to the documentation provided with the optional

equipment for instructions.

4. Replace the computer cover.

5. Turn on the monitor, computer, and any devices you want to test.

6. Reconfigure the computer, if necessary. Refer to the Computer

Setup Guide for instructions about using Computer Setup.

Hardware Reference Guide 2–3

Hardware Upgrades

Removing the Computer Cover

To remove the computer cover:

1. Shut down the operating system properly, then power off the

computer and any external devices.

2. Disconnect the power cord from the power outlet, and disconnect

any external devices.

Ä

CAUTION: Before removing the computer cover, ensure that the

computer is turned off and that the power cord is disconnected from the

electrical outlet.

3. Loosen the two captive thumbscrews that secure the cover to the

computer chassis.

4. Slide the cover back about 1 inch (2.5 cm), then lift it up and off

the unit.

Removing the Computer Cover

2–4 Hardware Reference Guide

Hardware Upgrades

Replacing the Computer Cover

To replace the computer cover:

1. Hold the cover over the chassis, then rest the guide tabs located

inside the cover on the diagonal ramps at the rear of the chassis.

2. Slide the cover along the ramps and into place on the chassis.

3. Tighten the two captive thumbscrews.

Replacing the Computer Cover

Hardware Reference Guide 2–5

Hardware Upgrades

Removing the Front Bezel

1. Shut down the operating system properly, then power off the

computer and any external devices. Disconnect the power cord

from the power outlet and disconnect any external devices.

2. Remove the computer cover.

3. Pull up on the two release tabs, then rotate the front bezel away

from the chassis to release it.

Removing the Front Bezel

✎

When replacing the front bezel, ensure that the bottom hinge points

are properly placed in the chassis before rotating the front bezel back

into its original position.

Removing Bezel Blanks

1. Shut down the operating system properly, then power off the

computer and any external devices. Disconnect the power cord

from the power outlet and disconnect any external devices.

2. Remove the computer cover.

3. Remove the front bezel.

4. Gently pinch the release mechanism, then remove the desired

bezel blank.

2–6 Hardware Reference Guide

Hardware Upgrades

Installing Additional Memory

The computer comes with Synchronous dynamic random access

memory (SDRAM) dual inline memory modules (DIMMs).

DIMMs

The memory sockets on the Intel 815E and 845 chipset-based system

board can be populated with industry-standard DIMMs. These

memory module slots are populated with at least one preinstalled

memory module. To achieve the maximum memory support, you may

be required to replace the preinstalled DIMM with a higher capacity

DIMM.

For proper system operation, the DIMMs must be industry-standard

168-pin, PC133- compliant SDRAM DIMMs, depending on the

model. The SDRAM DIMMs must support CAS Latency 2 or 3

(CL = 2 or CL = 3). They must also contain the mandatory Joint

Electronic Device Engineering Council (JEDEC) Serial Presence

Detect (SPD) information. DIMMs constructed with x4 SDRAM are

not supported; the system will not start using unsupported DIMMs.

Ä

CAUTION: Some models support ECC memory and some support

non-ECC memory. For those systems that do support ECC, Compaq

does not support mixing ECC and non-ECC memory. Doing so will

cause the system to blink the NUMLOCK LED on the keyboard

continuously and, if a speaker is installed in the system, there will be a

short beep followed by 2 long beeps. In addition, the system will not

boot the operating system.

Hardware Reference Guide 2–7

Hardware Upgrades

Installing DIMMs

Ä

CAUTION: Your memory module sockets have gold metal contacts.

When upgrading your memory, it is important to use memory modules

with gold metal contacts to prevent corrosion and/or oxidation resulting

from having incompatible metals in contact with each other.

Ä

CAUTION: Static electricity can damage the electronic components of

the computer or optional cards. Before beginning these procedures,

ensure that you are discharged of static electricity by briefly touching a

grounded metal object. Refer to Appendix E, "Electrostatic Discharge,"

for more information.

Ä

CAUTION: When handling a memory module, be careful not to touch

any of the contacts. Doing so may damage the module.

1. Shut down the operating system properly, then power off the

computer and any external devices, then disconnect the power

cord from the power outlet.

2. Remove the cover and locate the memory module sockets.

Å

WARNING: To reduce risk of personal injury from hot surfaces, allow

the internal system components to cool before touching.

2–8 Hardware Reference Guide

Hardware Upgrades

3. Open both latches of the memory module socket 1, and insert the

memory module into the socket 2.

Installing a DIMM

Begin by installing a module into the socket nearest the

preinstalled module, and install the modules following the

numerical order of the sockets.

A memory module can be installed in only one way. Match the

notch on the module with the tab on the memory socket. Push the

module down into the socket, ensuring that the module is fully

inserted and properly seated 3.

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Compaq 243850-002 User manual

Compaq 243850-002 User manual

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