HP Compaq dc7700 MT Hardware Reference Manual
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HP Compaq dc7700 MT Hardware Reference Manual

Convertible minitower business pc
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Hardware Reference Guide - dc7700 Series
Convertible Minitower
HP Compaq Business PC

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  • Page 1 Hardware Reference Guide - dc7700 Series Convertible Minitower 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

    Installing a 5.25-inch or 3.5-inch Drive into an External Drive Bay ... 30 Installing a 3.5-inch SATA Hard Drive into an Internal Drive Bay ... 33 Changing from a Minitower to a Desktop Configuration ... 36 Changing from a Desktop to a MinitowerConfiguration ... 38...
  • Page 6 Appendix C External Security Devices Installing a Security Lock ... 47 Cable Lock ... 47 Padlock ... 48 Appendix D Electrostatic Discharge Preventing Electrostatic Damage ... 49 Grounding Methods ... 49 Appendix E Computer Operating Guidelines, Routine Care and Shipping Preparation Computer Operating Guidelines and Routine Care ...

  • Page 7: Product Features

    Product Features Standard Configuration Features The HP Compaq Convertible Minitower 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) Diskette Drive Activity Light (optional) Diskette Eject Button (optional) Hard Drive Activity Light Optical Drive Eject Buttons NOTE An optical drive is a CD-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 a 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 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 Lay the computer down on its large base for greater stability. Align the tabs on the access panel with the slots on the chassis and push down on the access panel while sliding it forward until it locks into place. 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 Place the bottom hinge points on the front bezel in their corresponding slots in the chassis (1). Rotate the front bezel onto the chassis (2). Snap the catches at the top of the bezel into place (3). Snap the release tabs into place (4).

  • Page 22: Removing Bezel Blanks

    Figure 2-6 Removing Bezel Blanks from the Subpanel (Desktop Shown) NOTE When replacing the subpanel, ensure that the aligning pins and any remaining bezel blanks are in their proper orientation.

  • Page 23: 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 24: 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 2-7 DIMM Socket Locations Item...

  • Page 25: 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 26 Open both latches of the memory module socket (1), and insert the memory module into the socket (2). Figure 2-8 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 27: Removing Or Installing An Expansion Card

    Removing or Installing an Expansion Card The computer has two standard full-height PCI expansion slots that can accommodate an expansion card up to 34 cm (13.4 inches) in length. The computer also has one PCI Express x1 expansion slot and one PCI Express x16 expansion slot. Figure 2-9 Expansion Slot Locations Item...
  • Page 28 CAUTION board as long as the system is plugged into an active AC outlet. You must disconnect the power cord to avoid damage to the internal components of the computer. 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.
  • Page 29 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. Lift the expansion slot cover from the expansion slot. Figure 2-11 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.
  • Page 30 If you are removing a PCI Express x16 card, pull the retention arm on the back of the expansion socket away from the card and carefully rock the card back and forth until the connectors pull free from the socket. Lift the card straight up to remove it. Be sure not to scrape the card against other components.
  • Page 31 To install a new expansion card, slide the bracket on the end of the card down into the slot on the back of the chassis and press the card down firmly into the socket on the system board. Figure 2-14 Installing an Expansion Card NOTE When installing an expansion card, press firmly on the card so that the whole...

  • Page 32: Drive Positions

    Drive Positions Figure 2-15 Desktop and Minitower Drive Positions Three 5.25-inch external drive bays for optional drives (optical drives and media card reader shown) One 3.5-inch external drive bay for optional drives (diskette drive shown) Two 3.5-inch internal hard drive bays...

  • Page 33: Removing A Drive From A Drive Bay

    Remove the drive from the drive bay as follows: ● To remove a 5.25-inch drive in the desktop configuration, press down on the yellow drivelock mechanism (1) and slide the drive from the drive bay (2). Figure 2-16...
  • Page 34 ● To remove a 3.5-inch drive or a 5.25-inch drive in the minitower configuration, pull up on the green drivelock mechanism (1) for that specific drive and slide the drive from the drive bay (2). Figure 2-17 (Optical Drive shown) ●...

  • Page 35: 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 36: Installing A 5.25-Inch Or 3.5-Inch Drive Into An External Drive Bay

    Installing a 5.25-inch or 3.5-inch Drive into an External Drive Bay NOTE A 3.5-inch drive may be a diskette drive or a media card reader. A 5.25-inch drive may be an optical drive (CD-ROM, CD-R/RW, DVD-ROM, DVD+R/RW, or CD-RW/DVD Combo drive) or a media card reader with a 5.25-inch adapter kit attached.
  • Page 37 Optical drives, diskette drives, and media card readers use M3 metric guide screws. Eight extra metric guide screws are provided on the diskette drive bracket under the access panel. The HP-supplied metric screws are black. Figure 2-19 Installing a 5.25-Inch Drive in a Minitower (top) and Desktop (bottom) Install the drive in the desired drive bay by sliding it all the way into the front of the drive cage until it locks (2).
  • Page 38 Connect the power cable (1) and data cable (2) to the rear of the optical drive or diskette drive. Figure 2-20 Connecting the Drive Cables (Optical Drive shown) If you are installing a new drive, connect the opposite end of the data cable to the appropriate system board connector.

  • Page 39: Installing A 3.5-Inch Sata Hard Drive Into An Internal 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 40 Slide the hard drive down into the drive cage until it locks. The drivelock automatically secures the drive in the bay. Figure 2-22 Installing a Hard Drive into the Hard Drive Bay CAUTION use of unnecessary force when installing any drive into the drive bay may result in damage to the drive.
  • Page 41 Replace the computer access panel. Reconnect the power cord and turn on the computer. Lock any security devices that were disengaged when the computer access panel was removed. Reconfigure the computer, if necessary. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD for instructions about using Computer Setup.

  • Page 42: Changing From A Minitower To A Desktop Configuration

    Changing from a Minitower to a Desktop Configuration 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 43 CAUTION the subpanel away at an angle could damage the pins that align it within the front bezel. Reposition the bezel blanks within the subpanel in the proper orientation for the desktop configuration. Reposition the subpanel (rotate it 90º) with the logo at the bottom, then snap it back into the bezel.

  • Page 44: Changing From A Desktop To A Minitowerconfiguration

    While pressing the drivelock, pull the drives out of the drive bay. Figure 2-27 Releasing the 5.25-inch Drives from the Drive Bays (Desktop) Chapter 2 Hardware Upgrades Regardless of the power-on state, voltage is always present on the system...
  • Page 45 ENWW The bottom 5.25-inch drive bay has a shorter depth than the upper two bays. Removing Bezel Blanks Hold the subpanel straight when you pull it away from the front bezel. Pulling Changing from a Desktop to a MinitowerConfiguration section.
  • Page 46 Reposition the subpanel (rotate it 90º) with the logo at the bottom, then snap it back into the bezel. Figure 2-29 Changing from a Desktop to a Minitower Configuration Replace the front bezel and computer access panel. Reconnect the power cord and turn on the computer.

  • Page 47: Specifications

    Tower Dimensions Height Width Depth (depth will increase if the computer is equipped with a port security bracket) Approximate Weight Weight Supported (maximum distributed load for Desktop configuration only) Temperature Range Operating Nonoperating Relative Humidity (noncondensing) Operating Nonoperating (38.7°C max wet bulb)

  • Page 48: Appendix A Specifications

    Operating Voltage Range Rated Voltage Range Rated Line Frequency Power Output Rated Input Current (maximum) 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 49: 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 50 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 51 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 52 Appendix B Battery Replacement ENWW...

  • Page 53: 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 54: Padlock

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

  • Page 55: 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 56 Appendix D Electrostatic Discharge ENWW...

  • Page 57: 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 58: 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 59: Index

    2, 4 backup and recovery 35 battery replacement 43 changing computer configuration 36, 38 computer operating guidelines 51 connecting drive cables 29 desktop conversion 36 DIMMs. See memory diskette drive installing 30 removing 27 drives connecting cables 29...
  • Page 60 rear panel components 4 removing battery 43 bezel blanks 16 computer access panel 12 drives from drive bay 27 expansion card 21 expansion slot cover 23 front bezel 14 media card reader 27 PCI card 23 PCI Express card 24 Smart Cover Lock 10 security cable lock 47...

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