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HP Compaq dx7300 MT Hardware Reference Manual

Microtower model business pc
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Hardware Reference Guide - dx7300
Microtower Model
HP Compaq Business PC

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  • Page 1 Hardware Reference Guide - dx7300 Microtower Model HP Compaq Business PC...
  • Page 2 Nothing herein should be construed as constituting an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein. This document contains proprietary information that is protected by copyright.

  • Page 3: About This Book

    About This Book This guide provides basic information for upgrading this computer model. WARNING! 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. NOTE Text set off in this manner provides important supplemental information.
  • Page 4 About This Book ENWW...

  • Page 5: Table Of Contents

    Table of contents 1 Product Features Standard Configuration Features ... 1 Front Panel Components ... 2 Media Card Reader Components ... 3 Rear Panel Components ... 4 Keyboard ... 5 Using the Windows Logo Key ... 6 Special Mouse Functions ... 7 Serial Number Location ...
  • Page 6 Padlock ... 42 Appendix D Electrostatic Discharge Preventing Electrostatic Damage ... 43 Grounding Methods ... 43 Appendix E Computer Operating Guidelines, Routine Care and Shipping Preparation Computer Operating Guidelines and Routine Care ... 45 Optical Drive Precautions ... 46 Operation ... 46 Cleaning ...

  • Page 7: Product Features

    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 diagnostic utility (included on some computer models only). Instructions for using the utility are provided in the Troubleshooting Guide on the Documentation and Diagnostics CD.

  • Page 8: Front Panel Components

    Front Panel Components Drive configuration may vary by model. Table 1-1 Front Panel Components 5.25-inch Optical Drives Optical Drive Activity Lights 3.5-inch Diskette Drive (optional) and 3.5-inch Drive Bay with Bezel Blank Diskette Drive Activity Light (optional) Diskette Eject Button (optional) USB (Universal Serial Bus) Ports NOTE An optical drive is a CD-ROM, CD-R/RW, DVD-ROM , DVD+R/RW, or CD-RW/DVD Combo drive.

  • Page 9: Media Card Reader Components

    Media Card Reader Components The media card reader is an optional device available on some models only. Refer to the following illustration and table to identify the media card reader components. Table 1-2 Media Card Reader Components SmartMedia/xD ● 3.3V SmartMedia Card (SM) ●...

  • Page 10: Rear Panel Components

    Rear Panel Components Table 1-3 Rear Panel Components Power Cord Connector PS/2 Mouse Connector (green) PS/2 Keyboard Connector (purple) Universal Serial Bus (USB) Serial Connector RJ-45 Network Connector NOTE Arrangement and number of connectors may vary by model. The monitor connector on the system board is inactive when a PCI Express graphics card is installed in the computer.

  • Page 11: Keyboard

    Keyboard Table 1-4 Keyboard Components Function Keys Editing Keys Status Lights Numeric Keys Arrow Keys Ctrl Keys Application Key Windows Logo Keys Alt Keys Keys available in select geographic regions. ENWW Perform special functions depending on the software application being used. Includes the following: Insert, Home, Page Up, Delete, End, and Page Down.

  • Page 12: Using The Windows Logo Key

    Windows Logo Key + Chapter 1 Product Features Keyboard section to identify the Windows Logo key. Displays or hides the Start menu Displays the Desktop Minimizes all open applications Undoes Minimize All Launches My Computer Launches Find Document Launches Find Computer...

  • Page 13: Special Mouse Functions

    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 and product ID number that are located on the top cover of the computer.
  • Page 14 Chapter 1 Product Features ENWW...

  • Page 15: Hardware Upgrades

    This guide is located on the Web at http://www.hp.com/ergo CAUTION Static electricity can damage the electrical components of the computer or optional equipment.

  • Page 16: Unlocking The Smart Cover Lock

    PC component (for example, processor or power supply) failure ● Forgotten password NOTE 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: ●...
  • Page 17 Use the Smart Cover FailSafe Key to remove the two tamper-proof screws that secure the Smart Cover Lock to the bottom of the chassis. Figure 2-1 Removing the Smart Cover Lock Screws Remove the access panel. To reattach the Smart Cover Lock, secure the lock in place with the tamper-proof screws. ENWW Unlocking the Smart Cover Lock...

  • Page 18: Removing The Computer Access Panel

    Removing the Computer Access Panel Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as diskettes or compact discs, from the computer. Turn off the computer properly through the operating system, then turn off any external devices. Disconnect the power cord from the power outlet and disconnect any external devices.

  • Page 19: Replacing The Computer Access Panel

    Replacing the Computer Access Panel Place the access panel in the proper position on the chassis and slide it into place (1). Ensure that the hole for the thumbscrew is aligned with the hole in the chassis and tighten the thumbscrew (2). Figure 2-3 Replacing the Computer Access Panel ENWW...

  • Page 20: Removing The Front Bezel

    Removing the Front Bezel Remove/disengage any security devices that prohibit opening the computer. Remove all removable media, such as diskettes or compact discs, from the computer. Turn off the computer properly through the operating system, then turn off any external devices. Disconnect the power cord from the power outlet and disconnect any external devices.

  • Page 21: Replacing The Front Bezel

    Replacing the Front Bezel Position the chassis in the upright position. Insert the two hooks on the right side of the bezel and the one hook at the top of the bezel (1) into the rectangular holes on the chassis then rotate the bezel into place (2) so that the three tabs on the left side of the bezel snap into the slots on the chassis.

  • Page 22: Installing Additional Memory

    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.

  • Page 23: Populating Dimm Sockets

    Populating DIMM Sockets There are four DIMM sockets on the system board, with two sockets per channel. The sockets are labeled XMM1, XMM2, XMM3, and XMM4. Sockets XMM1 and XMM2 operate in memory channel A. Sockets XMM3 and XMM4 operate in memory channel B. Figure 2-6 DIMM Socket Locations Item...

  • Page 24: Installing Dimms

    should be populated with the two 512MB DIMMs. With this configuration, 2 GB will run as dual channel and 256 MB will run as single channel. ● In any mode, the maximum operational speed is determined by the slowest DIMM in the system. Installing DIMMs CAUTION You must disconnect the power cord before adding or removing memory modules.
  • Page 25 Open both latches of the memory module socket (1), and insert the memory module into the socket (2). Figure 2-7 Installing a DIMM NOTE A memory module can be installed in only one way. Match the notch on the module with the tab on the memory socket.

  • Page 26: Removing Or Installing An Expansion Card

    Removing or Installing an Expansion Card The computer has two standard PCI expansion slots that can accommodate an expansion card up to 17.46 cm (6.875 inches) in length. The computer also has one PCI Express x1 expansion slot and one PCI Express x16 expansion slot.
  • Page 27 Remove the computer access panel. CAUTION right of the DIMM sockets. If the LED is illuminated, the system still has power. Turn off the computer and remove the power cord before proceeding. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis.
  • Page 28 NOTE Before removing an installed expansion card, disconnect any cables that may be attached to the expansion card. If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot cover on the back of the chassis. Pull the slot cover straight up then away from the inside of the chassis.
  • Page 29 If you are removing a standard PCI card, hold the card at each end, and carefully rock it back and forth until the connectors pull free from the socket. Pull the expansion card straight up from the socket (1) then away from the inside of the chassis (2) to release it from the chassis frame.
  • Page 30 Store the removed card in anti-static packaging. If you are not installing a new expansion card, install an expansion slot cover to close the open slot. CAUTION expansion slot cover for proper cooling of internal components during operation. To install a new expansion card, hold the card just above the expansion socket on the system board then move the card toward the rear of the chassis (1) so that the bracket on the card is aligned with the open slot on the rear of the chassis.
  • Page 31 While holding the expansion card bracket against the chassis, slide the slot cover lock down toward the expansion card brackets and slot covers (1) to secure them in place and replace the thumbscrew (2) that secures the slot cover lock. Figure 2-14 Securing the Expansion Cards and Slot Covers Connect external cables to the installed card, if needed.

  • Page 32: Drive Positions

    Drive Positions Figure 2-15 Drive Positions Two 5.25-inch external drive bays for optional drives (optical drives shown) Two 3.5-inch external drive bays for optional drives (diskette drives shown) Two 3.5-inch internal hard drive bays To verify the type and size of the storage devices installed in the computer, run Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD for more information.

  • Page 33: Installing Additional Drives

    You must install guide screws to ensure the drive will line up correctly in the drive cage and lock in place. HP has provided extra guide screws installed on the chassis. The hard drive uses 6-32 standard screws, four of which are installed on the hard drive bracket under the access panel. All other drives use M3 metric screws, eight of which are installed on the diskette drive bracket under the access panel.

  • Page 34: Removing A Drive From A Drive Bay

    If you do not have this CD set, create it now. Refer to the HP Backup and Recovery Manager User Guide in the Windows Start menu for more information. You may wish to print this guide for easy reference.
  • Page 35 If you are removing a diskette drive, disconnect the data cable (1) and power cable (2) from the back of the drive. Figure 2-17 If you are removing a hard drive, disconnect the power cable (1) and data cable (2) from the back of the drive.
  • Page 36 If your are removing a media card reader, disconnect the USB cable from the PCI card. Figure 2-19 A latch drive bracket with release tabs secures the drives in the drive bay. Lift the release tab on the latch drive bracket (1) for the drive you want to remove, then slide the drive from its drive bay (2).

  • Page 37: Installing A Drive

    Installing a Drive NOTE An optical drive is a CD-ROM, CD-R/RW, DVD-ROM, DVD+R/RW, or CD-RW/DVD Combo drive. A 3.5-inch drive may be a diskette drive or a media card reader. The system does not support Parallel ATA (PATA) hard drives or optical drives. Install the four guide screws (two on each side) that were removed from the old drive into the new drive.
  • Page 38 Connect the power and data cables to the drive as indicated in the following illustrations. If you are installing an optical drive, connect the power cable (1) and data cable (2) to the back of the drive. Figure 2-22 If you are installing a diskette drive, connect the data cable (1) and power cable (2) to the back of the drive.
  • Page 39 If you are installing a hard drive, connect the power cable (1) and data cable (2) to the back of the drive. Figure 2-24 If you are installing a new drive, connect the opposite end of the data cable to the appropriate system board connector.
  • Page 40 Chapter 2 Hardware Upgrades ENWW...

  • Page 41: Appendix A Specifications

    Specifications Desktop Dimensions Height Width Depth (depth will increase if the computer is equipped with a port security bracket) Approximate Weight Temperature Range Operating Nonoperating Relative Humidity (noncondensing) Operating Nonoperating (38.7°C max wet bulb) Maximum Altitude (unpressurized) Operating Nonoperating NOTE Operating temperature is derated 1.0°...
  • Page 42 Rated Input Current (maximum) 6A @ 100 VAC 3A @ 200 VAC This system utilizes an active power factor corrected power supply. This allows the system to pass the CE mark requirements for use in the countries of the European Union. The active power factor corrected power supply also has the added benefit of not requiring an input voltage range select switch.

  • Page 43: Appendix B Battery Replacement

    AC wall socket. The lithium battery is only used when the computer is NOT connected to AC power. HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, go to recycle.
  • Page 44 Remove the computer access panel. CAUTION right of the DIMM sockets. If the LED is illuminated, the system still has power. Turn off the computer and remove the power cord before proceeding. Locate the battery and battery holder on the system board. NOTE On some computer models, it may be necessary to remove an internal component to gain access to the battery.
  • Page 45 To insert the new battery, slide one edge of the replacement battery under the holder’s lip with the positive side up. Push the other edge down until the clamp snaps over the other edge of the battery (2). Figure B-2 Type 3 Pull back on the clip (1) that is holding the battery in place, and remove the battery (2).
  • Page 46 Appendix B Battery Replacement ENWW...

  • Page 47: Appendix C External Security Devices

    For information on data security features, refer to the Computer Setup (F10) Utility Guide and the Desktop Management Guide on the Documentation and Diagnostics CD and the HP ProtectTools Security Manager Guide (some models) at http://www.hp.com. Installing a Security Lock The security locks displayed below and on the following page can be used to secure the computer.

  • Page 48: Padlock

    Padlock Figure C-2 Installing a Padlock Appendix C External Security Devices ENWW...

  • Page 49: Appendix D Electrostatic Discharge

    Use conductive field service tools. ● Use a portable field service kit with a folding static-dissipating work mat. If you do not have any of the suggested equipment for proper grounding, contact an HP authorized dealer, reseller, or service provider. NOTE For more information on static electricity, contact an HP authorized dealer, reseller, or service provider.
  • Page 50 Appendix D Electrostatic Discharge ENWW...

  • Page 51: Appendix E Computer Operating Guidelines, Routine Care And Shipping Preparation

    ● Never restrict the airflow into the computer by blocking any vents or air intakes. Do not place the keyboard, with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. ●...

  • Page 52: Optical Drive Precautions

    Avoid using any type of solvent, such as alcohol or benzene, which may damage the finish. Safety If any object or liquid falls into the drive, immediately unplug the computer and have it checked by an authorized HP service provider. Shipping Preparation Follow these suggestions when preparing to ship the computer: Back up the hard drive files on PD discs, tape cartridges, CDs, or diskettes.

  • Page 53: Index

    Index access panel locking and unlocking 10, 41 removing 12 replacing 13 audio connectors 2, 4 backup and recovery 33 battery replacement 37 computer operating guidelines 45 connecting drive cables 27 DIMMs. See memory diskette drive installing 31 removing 28 drives connecting cables 27 installing 27...
  • Page 54 computer access panel 12 drives from drive bay 28 expansion card 20 expansion slot cover 22 front bezel 14 media card reader 28 PCI card 23 PCI Express card 23 Smart Cover Lock 10 security cable lock 41 padlock 42 Smart Cover Lock 10 serial connector 4 serial number location 7...

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