HP Compaq dc5750 MT Hardware Reference Manual
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HP Compaq dc5750 MT Hardware Reference Manual

HP Compaq dc5750 MT Hardware Reference Manual

Hp compaq dc5750 mt: reference guide
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Hardware Reference Guide - dc5750

Microtower Model

HP Compaq Business PC

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  • Page 1: Microtower Model

    Hardware Reference Guide - dc5750 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 Rear Panel Components ... 3 Keyboard ... 4 Using the Windows Logo Key ... 5 Special Mouse Functions ... 6 Serial Number Location ... 6 2 Hardware Upgrades Serviceability Features ...
  • Page 6 Appendix D Electrostatic Discharge Preventing Electrostatic Damage ... 41 Grounding Methods ... 41 Appendix E Computer Operating Guidelines, Routine Care and Shipping Preparation Computer Operating Guidelines and Routine Care ... 43 Optical Drive Precautions ... 44 Operation ... 44 Cleaning ... 44 Safety ...

  • 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

    Some models have bezel blanks covering one or both of the 5.25-inch drive bays. Some models have a bezel blank covering the 3.5-inch drive bay. An optional media card reader is available from HP for this drive bay. Chapter 1 Product Features...

  • Page 9: Rear Panel Components

    Rear Panel Components Table 1-2 Rear Panel Components Power Cord Connector Voltage Select Switch PS/2 Mouse Connector (green) PS/2 Keyboard Connector (purple) Universal Serial Bus (USB) Serial 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 10: Keyboard

    Keyboard Table 1-3 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. Chapter 1 Product Features Perform special functions depending on the software application being used. Includes the following: Insert, Home, Page Up, Delete, End, and Page Down.

  • Page 11: Using The Windows Logo Key

    Windows Logo Key + Windows Logo Key + ENWW 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 12: 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 13: 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 14: 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 15: Replacing The Computer Access Panel

    Replacing the Computer Access Panel Place the access panel on the chassis with about 1.3 cm (1/2 inch) of the panel hanging off the back of 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).

  • Page 16: 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 17: Replacing The Front Bezel

    Replacing the Front Bezel Position the chassis in the upright position. Insert the two hooks on the top of the bezel into the rectangular holes on the chassis (1) then rotate the bottom of the bezel onto the chassis (2) so that the bottom two hooks on the bezel snap into place.

  • Page 18: 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 19: 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 XMM3 operate in memory channel A. Sockets XMM2 and XMM4 operate in memory channel B. Figure 2-5 DIMM Socket Locations Item...

  • Page 20: Installing Dimms

    ● If a single DIMM is installed, it must be installed in the XMM3 socket. ● In either mode, the maximum operational speed is determined by the slowest DIMM in the system. Installing DIMMs CAUTION You must disconnect the power cord and wait approximately 30 seconds for the power to drain before adding or removing memory modules.
  • Page 21 Open both latches of the memory module socket (1), and insert the memory module into the socket (2). Figure 2-6 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 22: 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 23 Remove the computer access panel. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis. On the rear of the computer, a sliding slot cover lock secures the expansion card brackets and expansion slot covers in place.
  • Page 24 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 25 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 26 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 27 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 then replace the thumbscrew (2) that secures the slot cover lock. Figure 2-13 Securing the Expansion Cards and Slot Covers Connect external cables to the installed card, if needed.

  • Page 28: Drive Positions

    Drive Positions Figure 2-14 Drive Positions Two 5.25-inch external drive bays for optional drives (optical drives shown) One 3.5-inch external drive bay for optional drive (diskette drive shown) Primary 3.5-inch internal hard drive bay Secondary 3.5-inch internal hard drive bay for optional hard drive To verify the type and size of the storage devices installed in the computer, run Computer Setup.

  • Page 29: 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 eight extra guide screws installed on the chassis behind the front bezel. Four of the guide screws are silver 6-32 standard screws used for hard drives only. The other four guide screws are black M3 metric screws used for all other drives.

  • Page 30: Removing An External 5.25-Inch Or 3.5-Inch Drive

    Removing an External 5.25-inch or 3.5-inch Drive CAUTION All removable media should be taken out of a drive before removing the drive from the computer. 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.
  • Page 31 If you are removing a diskette drive, disconnect the data cable (1) and power cable (2) from the back of the drive. Figure 2-16 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 32: Installing An External 5.25-Inch Or 3.5-Inch Drive

    Installing an External 5.25-inch or 3.5-inch Drive NOTE An optical drive is a CD-ROM, CD-R/RW, DVD-ROM, DVD+R/RW, or CD-RW/DVD Combo drive. The system does not support Parallel ATA (PATA) optical drives. Install the four guide screws (two on each side) that were removed from the old drive into the new drive.
  • Page 33 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 2-20 CAUTION radius.
  • Page 34 NOTE If you are installing a SATA optical drive, connect the first optical drive to the white SATA connector on the system board labeled SATA1. Connect a second optical drive to the orange SATA connector labeled SATA3. If you are installing a diskette drive, connect it to the connector on the system board labeled FLOPPY P10.

  • Page 35: Removing An Internal 3.5-Inch Hard Drive

    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 36 Remove the power cable (1) and primary data cable (2) and secondary data cable (if necessary) (3) from the cable retainers to make it easier to access the drive. Figure 2-24 Removing Cables from Cable Retainers Release the drive by pulling the green release tab away from the drive (1) and sliding the drive out of the bay (2).

  • Page 37: Installing An Internal 3.5-Inch Hard Drive

    Installing an Internal 3.5-inch Hard Drive NOTE The system does not support Parallel ATA (PATA) hard drives Install the four guide screws (two on each side) that were removed from the old drive into the new drive. The screws help guide the drive into its proper position in the bay. Extra guide screws are provided on the front of the chassis under the front bezel.
  • Page 38 Connect the power cable (1) and data cable (2) to the back of the hard drive. NOTE If you are installing a primary hard drive, use the power connector labeled P4. If you are installing a secondary hard drive, use the power connector labeled P5. Figure 2-28 Connecting the Hard Drive Cables CAUTION...

  • Page 39: Appendix A Specifications

    Specifications Desktop Dimensions Height Width Depth 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° C per 300 m (1000 ft) to 3000 m (10,000 ft) above sea level;...
  • Page 40 Rated Input Current (maximum) 8A @ 100 VAC 4A @ 200 VAC This system utilizes a passive power factor corrected power supply. The power factor correction is present in the 230V operating mode only. This allows the system to pass the CE mark requirements for use in the countries of the European Union.

  • Page 41: 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 42 Remove the computer access panel. 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. Depending on the type of battery holder on the system board, complete the following instructions to replace the battery.
  • Page 43 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 44 Appendix B Battery Replacement ENWW...

  • Page 45: 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 46: Padlock

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

  • Page 47: 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 48 Appendix D Electrostatic Discharge ENWW...

  • Page 49: 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 50: 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 51: Index

    Index access panel locking and unlocking 39 removing 8 replacing 9 audio connectors 2, 3 backup and recovery 29 battery replacement 35 computer operating guidelines 43 connecting drive cables 23 DIMMs. See memory diskette drive installing 26 removing 24 drives connecting cables 23 installing 23 locations 22...
  • Page 52 expansion slot cover 18 front bezel 10 hard drive 29 optical drive 24 PCI card 19 PCI Express card 19 security cable lock 39 padlock 40 serial connector 3 serial number location 6 shipping preparation 44 specifications computer 33 memory 12 unlocking access panel 39 USB ports front panel 2...

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