HP d325 Slim Tower Model Operating and maintenance manual

Hardware Reference Guide
hp business desktops
d325 Slim Tower Model
Document Part Number: 338159-001
July 2003
This guide provides basic information for upgrading this computer
model.

© 2003 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.
Microsoft and Windows are trademarks of Microsoft Corporation in the U.S.
and other countries.
All other product names mentioned herein may be trademarks of their respective
companies.
Hewlett-Packard Company shall not be liable for technical or editorial errors or
omissions contained herein or for incidental or consequential damages in
connection with the furnishing, performance, or use of this material. The
information in this document is provided “as is” without warranty of any kind,
including, but not limited to, the implied warranties of merchantability and
fitness for a particular purpose, and is subject to change without notice. The
warranties for HP products are set forth in the express limited warranty
statements accompanying such products. Nothing herein should be construed as
constituting an additional warranty.
This document contains proprietary information that is protected by copyright.
No part of this document may be photocopied, reproduced, or translated to
another language without the prior written consent of Hewlett-Packard
Company.
ÅWARNING: Text set off in this manner indicates that failure to follow
directions could result in bodily harm or loss of life.
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 desktops
d325 Slim Tower Model
First Edition July 2003
Document Part Number: 338159-001

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
Warnings and Cautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–1
Unlocking the Smart Cover Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
Using the Smart Cover FailSafe Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–2
Removing the Computer Access Panel and Front Bezel. . . . . . . . . . . . . . . . . . . . . . . . 2–4
Installing Additional Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
DIMMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
DDR-SDRAM DIMMs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–8
Removing or Installing an Expansion Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–13
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–1

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Index
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 HP d325 Slim Tower 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.
d325 Slim Tower Configuration

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Product Features
Front Panel Components
Drive configuration may vary by model.
Front Panel Components
1Optical Drive (CD-ROM, CD-R/RW,
DVD-ROM, DVD-R/RW, or CD-RW/DVD
Combo Drive)
7Power On Light
2Diskette Eject Button (optional) 8Hard Drive Activity Light
3Diskette Drive (optional) 9USB (Universal Serial Bus) Ports
4Diskette Drive Activity Light (optional) -Headphone Jack
5Optical Drive Eject Button qMicrophone Connector
6Power Button

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Product Features
Rear Panel Components
Rear Panel Components
1Power Cord Connector 7nRJ-45 Network 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 when 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:
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 or the back panel of the computer. Keep this number
available for use when contacting customer service for assistance.
Serial Number Location

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2
Hardware Upgrades
Serviceability Features
This computer includes features that make it easy to upgrade and
service. No tools are needed for most of the installation procedures
described in this chapter.
Warnings and Cautions
Before performing upgrades be sure to carefully read all of the
applicable instructions, cautions, and warnings in this guide.
ÅWARNING: 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.
ÅWARNING: 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.
ÄCAUTION: 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. Refer to Appendix E, “Electrostatic Discharge” in
this guide for additional information on preventing electrostatic discharge.
ÄCAUTION: Before removing the computer access panel ensure that the
computer is turned off and that the power cord is disconnected from the
electrical outlet.

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Hardware Upgrades
Unlocking the Smart Cover Lock
✎The Smart Cover Lock is an optional feature and is available 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
ÄCAUTION: The Smart Cover FailSafe Key is a specialized tool available
from HP. Be prepared; order this key before you need one.
To obtain a FailSafe Key:
■Contact an authorized HP reseller or service provider. Order
PN 166527-001 for the wrench-style key or PN 166527-002 for
the screwdriver bit key.
■Refer to the HP Web site (http://www.hp.com) for ordering
information.
■Call the appropriate number listed in the warranty.

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Hardware Upgrades
To open the computer cover:
1. Turn off the computer and any external devices.
Removing the Smart Cover Lock Screws
2. Remove the Smart Cover Lock.
To reattach the Smart Cover Lock, secure the lock in place with the
tamper-proof screws.

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Hardware Upgrades
Removing the Computer Access Panel and
Front Bezel
To remove the computer access panel:
1. If you have locked the Smart Cover Lock, use Computer Setup to
unlock the lock.
2. Turn off the computer properly through the operating system,
then turn off any external devices.
3. Disconnect the power cord from the power outlet and the
computer, and disconnect any external devices.
ÄCAUTION: Before removing the computer access panel, ensure that the
computer is turned off and that the power cord is disconnected from
the electrical outlet.

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Hardware Upgrades
✎Lay the computer on its side (with the computer access panel facing
up) before removing the computer access panel and installing
hardware.
4. Remove the thumbscrew on the back of the computer stand 1.
5. Lift the computer off the stand 2, then lay the computer on its
side.
Removing the Computer from the Computer Stand

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Hardware Upgrades
6. Locate the cover latch. Pull up and hold the latch 1to release the
computer access panel.
7. Slide the computer access panel back 2about 0.5 inch (1.25 cm),
then lift the access panel up and off the chassis.
Removing the Computer Access Panel

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Hardware Upgrades
8. To remove the front bezel, gently pull up all three tabs 1on the
top of the bezel, then pull the bezel 2away from the chassis.
Removing the Front Bezel
To reassemble the computer, reverse the above procedure.
✎To re-install the front bezel, insert the two bezel bottom tabs, then
rotate the front bezel forward to snap the three tabs on the top of the
bezel in place.

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Hardware Upgrades
Installing Additional Memory
The computer comes with double data rate synchronous dynamic
random access memory (DDR-SDRAM) dual inline memory
modules (DIMMs).
DIMMs
The memory sockets on the 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.
If you are adding a second DIMM, it is recommended that you add a
DIMM identical to the preinstalled DIMM in order to achieve a
higher performing dual channel mode. The system will automatically
operate in single channel mode or a higher-performing dual channel
mode, depending on how the DIMMs are installed.
■If only one DIMM is installed, the system will operate in a single
channel mode.
■If two DIMMs are installed, the system will operate in a dual
channel mode. The maximum operating speed will be determined
by the slowest DIMM. For example, if the system is populated
with a 266 MHz DIMM and a 333 MHz DIMM, the system will
run at only 266 MHz. For maximum performance improvement,
install identical high-performance DIMMs.
DDR-SDRAM DIMMs
For proper system operation, the DIMMs must be industry-standard
184-pin 2.5 volt DDR-SDRAM DIMMs with appropriate
MHz-compliant CAS Latency:
❏unbuffered PC 2100 266 MHz-compliant CAS Latency 2 or
2.5 (CL = 2 or CL = 2.5)
or
❏unbuffered PC 2700 333 MHz-compliant CAS Latency 2.5
(CL = 2.5)

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Hardware Upgrades
The DDR-SDRAM DIMMs 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 may not start using unsupported DIMMs.
The computer memory will run at its rated frequency, unless that is
faster than the processor frequency. If the module frequency is faster,
then the computer will run at the processor frequency.
The PC1600 (200 MHz) and PC3200 (400 MHz) may work, but are
not supported.
✎The system may not start using unsupported DIMMs.
Refer to the Computer Setup (F10) Utility Guide for information on
how to determine the processor bus frequency of a specific computer.
Processor
Frequency
Memory Module
Type
Actual Memory
Frequency
200 PC2100 (266 MHz) 200
200 PC2700 (333 MHz) 200
266 PC2100 (266 MHz) 266
266 PC2700 (333 MHz) 266
333 PC2100 (266 MHz) 266
333 PC2700 (333 MHz) 333

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Hardware Upgrades
Removing or Installing DDR-SDRAM DIMMs
ÄCAUTION: The memory module sockets have gold metal contacts.
When upgrading the 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.
ÄCAUTION: 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.
ÄCAUTION: When handling a memory module, be careful not to touch
any of the contacts. Doing so may damage the module.
Preparing the Computer
1. If you have locked the Smart Cover Lock, use Computer Setup to
unlock the lock.
2. Exit all software applications, turn off the computer properly
through the operating system, then turn off any external devices.
3. Disconnect the power cord from the power outlet and disconnect
any external devices.
4. Remove the computer access panel and front bezel.
ÄCAUTION: Check the position of all cables and wires before raising or
lowering the Easy Access drive bay to prevent damage.