Краткое содержание страницы № 1 
                    
                        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.                                                                                                                                                                                                                                                                                                             
                    
                    Краткое содержание страницы № 2 
                    
                        © 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
                    
                    Краткое содержание страницы № 3 
                    
                        Contents 1 Product Features Standard Configuration Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1–1 Front Panel Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1–2 Rear Panel Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  1–3 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 
                    
                    Краткое содержание страницы № 4 
                    
                        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
                    
                    Краткое содержание страницы № 5 
                    
                        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                                                                                           
                    
                    Краткое содержание страницы № 6 
                    
                        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
                    
                    Краткое содержание страницы № 7 
                    
                        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
                    
                    Краткое содержание страницы № 8 
                    
                        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, 
                    
                    Краткое содержание страницы № 9 
                    
                        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
                    
                    Краткое содержание страницы № 10 
                    
                        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                                                                                                                                                                                   
                    
                    Краткое содержание страницы № 11 
                    
                        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
                    
                    Краткое содержание страницы № 12 
                    
                        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
                    
                    Краткое содержание страницы № 13 
                    
                        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
                    
                    Краткое содержание страницы № 14 
                    
                        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
                    
                    Краткое содержание страницы № 15 
                    
                        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
                    
                    Краткое содержание страницы № 16 
                    
                        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                                                                                                                                                                                                                                                       
                    
                    Краткое содержание страницы № 17 
                    
                        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
                    
                    Краткое содержание страницы № 18 
                    
                        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
                    
                    Краткое содержание страницы № 19 
                    
                        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
                    
                    Краткое содержание страницы № 20 
                    
                        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