HP d325 Series Operating and maintenance manual

Hardware Reference Guide
HP Business Desktop
d325 Microtower Model
Document Part Number: 312946-001
February 2003
This guide provides basic information for upgrading this computer
model.

© 2002 Hewlett-Packard Company
© 2002 Hewlett-Packard Development Company, L.P.
HP, Hewlett Packard, and the Hewlett-Packard logo are trademarks of
Hewlett-Packard Company in the U.S. and other countries.
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Company, L.P. in the U.S. and other countries.
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ÅWARNING: Text set off in this manner indicates that failure to follow
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ÄCAUTION: Text set off in this manner indicates that failure to follow
directions could result in damage to equipment or loss of information.
Hardware Reference Guide
HP Business Desktop
d325 Microtower Model
First Edition (February 2003)
Document Part Number: 312946-001

Hardware Reference Guide www.hp.com 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
Customizing the Easy Access Buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
Windows Logo Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
Special Mouse Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6
Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–6
2 Hardware Upgrades
Serviceability Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Installation Sequence. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Removing the Computer Access Panel and Front Bezel. . . . . . . . . . . . . . . . . . . . . . . . 2–3
Installing Additional Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–6
DIMMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–6
DDR-SDRAM DIMMs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–6
Replacing or Upgrading a Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
Locating Drive Positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–9
Removing a Drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–10
Replacing a Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–13
Removing or Installing an Expansion Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–17
Reassembling the Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–22
A Specifications

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Contents
B Hard Drive Installation Guidelines
Using the Cable-Select Feature with Ultra ATA Devices. . . . . . . . . . . . . . . . . . . . . . . B–1
Guidelines for Installing Ultra ATA Devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–1
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
Optical Drive Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–2
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–2
Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–2
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–2
Shipping Preparation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F–3
Index

Hardware Reference Guide www.hp.com 1–1
1
Product Features
Standard Configuration Features
The Compaq Microtower features may vary depending on the model.
For a complete listing of the hardware and software installed in the
computer, run the Diagnostics for Windows utility. Instructions for
using this utility are provided in the Troubleshooting Guide on the
Documentation Library CD.
Microtower Configuration

1–2 www.hp.com Hardware Reference Guide
Product Features
Front Panel Components
Front Panel Components
1Optical Drives (CD-ROM, CD-R/RW,
DVD-ROM, DVD-R/RW, or CD-RW/DVD
Combo Drive)
7Optical Drive Eject Buttons
2Optical Drive Activity Lights 8Power Button
3Diskette Drive (optional) 9Power On Light
4Diskette Drive Activity Light -Hard Drive Activity Light
5Diskette Eject Button qHeadphone Jack
6USB (Universal Serial Bus) Ports wMicrophone Connector

Hardware Reference Guide www.hp.com 1–3
Product Features
Rear Panel Components
Rear Panel Components
1Power Cord Connector 7nRJ-45 Connector
2Voltage Select Switch 8lParallel Connector
3bPS/2 Mouse Connector 9cMonitor Connector
4aPS/2 Keyboard Connector -hHeadphone/Line-Out Connector
5oUniversal Serial Bus (USB) qjLine-In Audio Connector
6mSerial Connector wgMicrophone Connector
✎Arrangement and number of connectors may vary by model.
The monitor connector on the system board is inactive if an AGP expansion card is installed in
the computer. The monitor must be connected to the monitor connector on the installed AGP
card for proper operation. If the monitor is not connected to the correct connector, it will not
function properly.

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Product Features
Easy Access Keyboard
Easy Access Keyboard Components
1Function Keys Perform special functions depending on the software application
being used.
2Easy Access Buttons Provide quick access to specific Internet destinations.
3Editing Keys Includes the following: Insert, Home, Page Up, Delete, End, and
Page Down.
4Status Lights Indicate the status of the computer and keyboard settings
(Num Lock, Caps Lock, and Scroll Lock).
5Numeric Keys Work like a calculator keypad.
6Arrow Keys Used to navigate through a document or Web site. These keys
allow you to move left, right, up, and down, using the keyboard
instead of the mouse.
7Application 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.
8Windows Logo Key* Used to open the Start menu in Microsoft Windows. Used in
combination with other keys to perform other functions.
9Ctrl Key Used in combination with another key; its effect depends on the
application software you are using.
*Keys available in select geographic regions.

Hardware Reference Guide www.hp.com 1–5
Product Features
Customizing the Easy Access Buttons
All Easy Access buttons can be reprogrammed to open any software
application or data file on the hard drive, or any Internet address.
To reprogram the Easy Access buttons, complete the following steps:
1. Double-click the keyboard icon in the notification area (lower
right corner) of the Windows taskbar. The Keyboard Properties
dialog box is displayed.
2. Click the Help button on the Keyboard Properties dialog box for
instructions.
Windows Logo Key
Use the Windows Logo key in combination with other keys to
perform certain functions available in the Windows operating system.
Refer to the “Easy Access Keyboard” section to identify the Windows
Logo key.
Windows Logo Key Functions
Windows Logo Key Displays or hides the Start menu.
Windows Logo Key + dDisplays the Desktop.
Windows Logo Key + mMinimizes all open applications.
Shift + Windows Logo Key + m Undoes Minimize All.
Windows Logo Key + eLaunches My Computer.
Windows Logo Key + fLaunches Find Document.
Windows Logo Key + Ctrl + f Launches Find Computer.
Windows Logo Key + F1 Launches Windows Help.
Windows Logo Key + lLocks the computer if you are connected to a
network domain, or allows you to switch users if you
are not connected to a network domain.
Windows Logo Key + rLaunches the Run dialog box.
Windows Logo Key + uLaunches the Utility Manager.
Windows Logo Key + Tab Activates the next Taskbar button.

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Product Features
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.
Serial Number Location
Each computer has a unique serial number that is located on the
top cover of the computer. Keep this number available for use when
contacting Compaq customer service for assistance.
Serial Number Location