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Hardware Reference Guide
HP Compaq Business Desktops
dx6120 Microtower Models
Document Part Number: 374967-001
September 2004
This guide provides basic information for upgrading this computer
model.
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© Copyright 2004 Hewlett-Packard Development Company, L.P. The information contained herein is subject to change without notice. Microsoft, MS-DOS, Windows, and Windows NT are trademarks of Microsoft Corporation in the U.S. and other countries. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technica
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Contents 1 Product Features Standard Configuration Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1 Front Panel Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–2 Rear Panel Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Contents A Specifications B Battery Replacement C Security Lock Provisions Installing a Security Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–1 Cable Lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–1 Padlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C–2 D Electrostatic Discharge Preventing Electro
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1 Product Features Standard Configuration Features The HP 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 CD. Microtower Configuration Hardware Reference Guide www.hp.com 1–1
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Product Features Front Panel Components Drive configuration may vary by model. Front Panel Components 1 Optical Drives (CD-ROM, CD-R/RW, 7 Optical Drive Eject Buttons DVD-ROM, DVD+R/RW, or CD-RW/DVD Combo Drive) 2 Optical Drive Activity Lights 8 Power Button 3 Diskette Drive (optional) 9 Power On Light 4 Diskette Drive Activity Light (optional) - Hard Drive Activity Light 5 Diskette Eject Button (optional) q Headphone Jack 6 USB (Universal Serial Bus) Ports w Microphone Connector 1–2 www.hp.co
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Product Features Rear Panel Components Rear Panel Components 1 Power Cord Connector 7 RJ-45 Network Connector 2 Voltage Select Switch 8 Parallel Connector 3 PS/2 Mouse Connector 9 Monitor Connector 4 a PS/2 Keyboard Connector - Headphone/Line-Out Connector 5 o Universal Serial Bus (USB) q Line-In Audio Connector m 6 Serial Connector w Microphone Connector Arrangement and number of connectors may vary by model. ✎ The monitor connector on the system board is inactive when a PCI Express graphics
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Product Features Keyboard Keyboard Components 1 Function Keys Perform special functions depending on the software application being used. 2 Editing Keys Includes the following: Insert, Home, Page Up, Delete, End, and Page Down. 3 Status Lights Indicate the status of the computer and keyboard settings (Num Lock, Caps Lock, and Scroll Lock). 4 Numeric Keys Work like a calculator keypad. 5 Arrow Keys Used to navigate through a document or Web site. These keys allow you to move left, right, up,
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Product Features 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 “Keyboard” section to identify the Windows Logo key. Windows Logo Key Functions Windows Logo Key Displays or hides the Start menu. Windows Logo Key + d Displays the Desktop. Windows Logo Key + m Minimizes all open applications. Shift + Windows Logo Key + m Undoes Minimize All. Windows Logo Key + e Launches My Computer. Wi
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Product Features Serial Number Location Each computer has a unique serial number and a product ID number that are located on the top cover of the computer. Keep these numbers available for use when contacting customer service for assistance. Serial Number and Product ID Location 1–6 www.hp.com Hardware Reference Guide
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2 Hardware Upgrades Serviceability Features The Microtower 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. WARNING: To reduce the risk of personal injury from electrical shock Å and/or hot surfaces, be sure to disconnect the power cord fro
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Hardware Upgrades Removing the Computer Access Panel To remove the computer access panel: 1. Turn off the computer properly through the operating system and turn off any external devices. 2. Disconnect the power cord from the power outlet and the computer, and disconnect any external devices. CAUTION: Before removing the computer access panel, ensure that the Ä computer is turned off and that the power cord is disconnected from the electrical outlet. 3. Loosen the captive thumbscrew 1 that s
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Hardware Upgrades Removing the Front Bezel To remove the front bezel: 1. Turn off the computer properly through the operating system and turn off any external devices. 2. Disconnect the power cord from the power outlet and the computer, and disconnect any external devices. 3. Remove the computer access panel. 4. To remove the front bezel, press down on all three tabs on the left side of the bezel 1 then rotate the bezel off the chassis 2, beginning with the left side then the right side. Re
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Hardware Upgrades Installing Additional Memory The computer comes with double data rate 2 synchronous dynamic random access memory (DDR2-SDRAM) dual inline memory modules (DIMMs). DIMMs The memory sockets on the system board can be populated with up to four industry-standard DIMMs. These memory sockets are populated with at least one preinstalled DIMM. To achieve the maximum memory support, you can populate the system board with up to 4GB of memory configured in a high-performing dual chan
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Hardware Upgrades Populating DIMM Sockets The system will automatically operate in single channel mode, dual channel Asymmetric mode, or a higher-performing dual channel Interleaved mode, depending on how the DIMMs are installed. ■ The system will operate in single channel mode if the DIMM sockets are populated in one channel only. ■ The system will operate in dual channel Asymmetric mode if the total memory capacity of the DIMMs in Channel A is not equal to the total memory capacity of the
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Hardware Upgrades DIMM Socket Locations Item Description Socket Color 1 DIMM socket XMM1, Channel A White 2 DIMM socket XMM2, Channel A Black 3 DIMM socket XMM3, Channel B White 4 DIMM socket XMM4, Channel B Black 2–6 www.hp.com Hardware Reference Guide
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Hardware Upgrades Installing DIMMs CAUTION: The memory module sockets have gold metal contacts. When Ä 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. CAUTION: Static electricity can damage the electronic components of Ä the computer or optional cards. Before beginning these procedures, ensure that you are discharged of static electricity by briefl
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Hardware Upgrades 5. Open both latches of the memory module socket 1, and insert the memory module into the socket 2. Installing a DIMM A memory module can be installed in only one way. Match the notch ✎ on the module with the tab on the memory socket. For maximum performance, poplulate the sockets so that the memory ✎ capacity of Channel A is equal to the memory capacity of Channel B. Fo example, if you have one preinstalled DIMM in socket XMM1 and are adding a second DIMM, it is recommend
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Hardware Upgrades Replacing or Upgrading a Drive The computer supports up to six drives that may be installed in various configurations. This section describes the procedure for replacing or upgrading the storage drives. A Torx screwdriver is needed to replace the guide screws on a drive. CAUTION: Make sure you back up your personal files on the hard drive Ä to an external storage device, such as a CD, before removing the hard drive. Failure to do so will result in data loss. After replacin
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Hardware Upgrades Removing a Drive 1. Turn off the computer properly through the operating system and turn off any external devices. Disconnect the power cord from the power outlet and disconnect any external devices. 2. Remove the access panel and front bezel. 3. Disconnect the power and data cables from the back of the drive, as indicated in the following illustrations. Disconnecting the Optical Drive Cables 2–10 www.hp.com Hardware Reference Guide
