Compaq 239158-999 - Mini Tower - Power Supply 250 Watt Hardware Reference Manual

Brand: Compaq

Model: 239158-999 - Mini Tower - Power Supply 250 Watt

Type: Hardware Reference Manual

This manual is also suitable for

Hardware Reference Guide

Compaq Evo Desktop Family: Convertible

Minitower Models

Document Part Number: 243845-002

January 2002

This book provides basic information for upgrading this series of

computers.

Enhanced for accessibility.

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 in the United States and other countries.

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.

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

directions could result in bodily harm or loss of life.

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.

Compaq Evo Desktop Family: Convertible Minitower

Hardware Reference Guide

Second Edition January 2002

Document Part Number: 243845-002

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

Changing from a Minitower to a Desktop Configuration.............................................. 1–7

Changing from a Desktop to a Minitower Configuration............................................ 1–10

2 Hardware Upgrades

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

Smart Cover Lock.......................................................................................................... 2–2

Using the Smart Cover FailSafe Key ...................................................................... 2–2

Removing the Computer Access Panel ................................................................... 2–4

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

Removing Bezel Blanks .......................................................................................... 2–6

Installing Additional Memory ....................................................................................... 2–7

DIMMs.................................................................................................................... 2–7

Memory Module Installation................................................................................... 2–8

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

Removing an Expansion Slot Cover ..................................................................... 2–10

Removing or Installing an Expansion Card .......................................................... 2–11

Drive Positions............................................................................................................. 2–13

Hardware Reference Guide iii

Contents

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

Installing a CD-ROM, DVD-ROM, or other

Removable Storage Device ................................................................................... 2–14

Installing a 3.5-Inch Drive into a 5.25-Inch Drive Bay......................................... 2–16

Installing a Hard Drive into a 3.5-inch Drive Bay ................................................ 2–19

Removing a Drive from the Drive Bay ................................................................. 2–21

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

Index

iv Hardware Reference Guide

Product Features

Standard Configuration Features

The Compaq Evo™ Convertible Minitower Personal Computer can

be easily converted to a 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.

Hardware Reference Guide 1-1

Product Features

Front Panel Components

Diskette Drive Activity Light

Diskette Eject Button

Dual-State Power Button

Hard Drive Activity Light

Power-On Light

Optional Headphone Connector

CD-ROM Eject Button

Optional USB Connector

CD-ROM Drive Busy Indicator

Optional Microphone Connector

1-2 Hardware Reference Guide

Product Features

Rear Panel Components

Rear Panel Components*

Power Cord Connector

Parallel Connector

Voltage Select Switch

Monitor Connector

Mouse Connector

Headphone/Line-out Connector

Keyboard Connector

Line-in Audio Connector

Universal Serial Bus (USB) Connector

Microphone Connector

Serial Connector (COM1)

Serial Connector (COM2)

Ethernet RJ-45 Connector

*Arrangement and number of connectors may vary by model.

Hardware Reference Guide 1-3

Product Features

Easy Access Keyboard

Compaq Easy Access Keyboard Components

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

on the application software you are using.

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

in combination with other keys to perform other functions.

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

on the application software you are using.

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.

Internet Keys Provides quick access to specific Internet destinations.

1-4 Hardware Reference Guide

Product Features

Compaq Easy Access Keyboard Components (Continued)

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.

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

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

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

*Keys available in select geographic regions.

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.

Hardware Reference Guide 1-5

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

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

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.

1-6 Hardware Reference Guide

Product Features

Serial Number Location

Each computer has a unique serial number which is located on the

access panel 1 or on the rear of the unit 2. Keep this number

available for use when contacting Compaq customer service for

assistance.

Serial Number Location

Changing from a Minitower to a Desktop Configuration

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

computer and any external devices. Disconnect the power cord

from the power outlet and disconnect any external devices.

2. Remove the computer access panel as described in the section

“Removing the Computer Access Panel.”

3. Remove the front bezel as described in the section “Removing

the Front Bezel.”

4. Disconnect all power and data cables from the drives in the 5.25-

inch drive bays.

Hardware Reference Guide 1-7

Product Features

5. To release the drives from the 5.25-inch drive bay, press the long

(green) drivelock

as shown.

Activating the Drivelocks (Shown from the Rear of the Chassis)

6. While pressing the drivelock, pull the drives out of the drive bay.

7. Before you install each drive into the chassis, turn it so that it is

perpendicular to the internal 3.5-inch drive. The bottom of the

drive should be parallel to the green drivelock.

The diskette drive should always be placed in the bay nearest the top

of the chassis in the desktop configuration for proper drive clearance

and access.

1-8 Hardware Reference Guide

Product Features

Installing a Drive in the Desktop Configuration

8. Gently slide the drive into the bay. When the drive is properly

inserted, the drivelock will secure it.

CAUTION: The use of unnecessary force may result in damage to the

drives.

9. Reconnect all power and data cables to the drives in the 5.25-

inch drive bays.

10. Remove the subpanel as described in the section “Removing

Bezel Blanks” and reposition it with the bezel blanks in the

proper orientation for the desktop configuration.

11. Remove the chrome logo plate from the subpanel and reposition

it (rotate it 180°) with the logo plate in the proper orientation for

the desktop configuration, then snap it back into the subpanel.

Hardware Reference Guide 1-9

Product Features

CAUTION: Hold the subpanel straight when you pull it away from the

front bezel. Pulling the subpanel away at an angle could damage the

pins that align it within the front bezel.

Changing from a Minitower to a Desktop Configuration

12. Replace the subpanel, front bezel, and the computer access

panel.

13. Reconnect the external equipment.

Changing from a Desktop to a Minitower Configuration

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

computer and any external devices. Disconnect the power cord

from the power outlet and disconnect any external devices.

2. Remove the computer access panel as described in the section

“Removing the Computer Access Panel.”

3. Remove the front bezel as described in the section “Removing

the Front Bezel.”

1-10 Hardware Reference Guide

Product Features

4. Disconnect all power and data cables from the drives in the 5.25-

inch drive bays.

5. To release the drives from the 5.25-inch drive bay, press the

short yellow drivelock

as shown.

Activating the Drivelocks (Shown from the Rear of the Chassis)

6. While pressing the drivelock, pull the drives out of the drive bay.

Hardware Reference Guide 1-11

Product Features

7. Before you install each drive into the chassis, turn it so that it is

in the same orientation as the internal 3.5-inch drive. The bottom

of the drive should be parallel to the yellow drivelock.

The diskette drive should always be placed in the bay nearest the

internal 3.5-inch drives in the minitower configuration for proper

clearance within the chassis.

Installing a Drive in the Minitower Configuration

8. Gently slide the drive into the bay. When the drive is properly

inserted, the drivelock will secure it.

CAUTION: The use of unnecessary force may result in damage to the

drives.

9. Reconnect all power and data cables to the drives in the 5.25-

inch drive bays.

1-12 Hardware Reference Guide

Product Features

10. Remove the subpanel as described in the section “Removing

Bezel Blanks” and reposition it with the bezel blanks in the

proper orientation for the minitower configuration.

CAUTION: Hold the subpanel straight when you pull it away from the

front bezel. Pulling the subpanel away at an angle could damage the

pins that align it within the front bezel.

11. Remove the chrome logo plate from the subpanel and reposition

it (rotate it 180°) with the logo plate in the proper orientation for

the minitower configuration, then snap it back into the subpanel.

Changing from a Desktop to a Minitower Configuration

12. Replace the subpanel, front bezel, and the computer access

panel.

13. Reconnect the external equipment.

Hardware Reference Guide 1-13

Product Features

1-14 Hardware Reference Guide

Hardware Upgrades

Installation Sequence

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

the proper installation of any optional equipment.

1. If your computer includes the Smart Cover Lock feature and you

have set the lock, use Computer Setup to unlock the lock and

disable the Smart Cover Sensor.

For more information about Computer Setup, refer to the Computer

Setup Guide.

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

power cord from the wall outlet.

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.

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

the equipment, do not plug telecommunications or telephone

connectors into the network interface controller (NIC) receptacles.

CAUTION: Static electricity can damage the electronic 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.

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

section “Removing the Access Panel.”

Hardware Reference Guide 2-1

Hardware Upgrades

4. Install any optional equipment. See the applicable sections of

this guide or refer to the documentation provided with the

optional equipment for instructions.

5. Replace the computer cover.

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

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

Setup Guide for instructions about using Computer Setup.

If you normally lock the Smart Cover Lock, use Computer Setup to

relock the lock and enable the cover removal sensor.

Smart Cover Lock

The Smart Cover Lock is an optional feature included on select

models only.

The Smart Cover Lock is a software-controllable cover lock,

controlled by the setup password. This lock prevents unauthorized

access to the internal components. The computer ships with the

Smart Cover Lock in the unlocked position. For more information

about locking the Smart Cover Lock, refer to the Desktop

Management guide.

Using the Smart Cover FailSafe Key

If you enable the Smart Cover Lock and cannot enter your password

to disable the lock, you will need a Smart Cover FailSafe Key to

open the computer cover. You will need the key in any of the

following circumstances:

■

Power outage

■

Startup failure

■

PC component (for example, processor or power supply) failure

■

Forgotten password

2-2 Hardware Reference Guide

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Compaq 239158-999 - Mini Tower - Power Supply 250 Watt Hardware Reference Manual

Brand: Compaq

Model: 239158-999 - Mini Tower - Power Supply 250 Watt

Type: Hardware Reference Manual

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