Compaq dc7700 Hardware Reference Guide - dc7700 CMT
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- Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 1
Hardware Reference Guide - dc7700 Series Convertible Minitower HP Compaq Business PC - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 2
. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Hewlett-Packard Company. Hardware Reference Guide HP Compaq Business PC dc7700 Series Convertible Minitower First Edition (August 2006) Document part number: 418620-001 - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 3
About This Book This guide provides basic information for upgrading this computer model. WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily harm or loss of life. CAUTION Text - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 4
iv About This Book ENWW - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 5
Computer Access Panel 13 Removing the Front Bezel ...14 Replacing the Front Bezel ...15 Removing Bezel Blanks ...16 Installing Additional Memory Changing from a Minitower to a Desktop Configuration 36 Changing from a Desktop to a MinitowerConfiguration 38 Appendix A Specifications Appendix B - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 6
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 - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 7
in the Troubleshooting Guide on the Documentation and Diagnostics CD. NOTE The HP Compaq Convertible Minitower computer can be easily converted to a desktop. For more information, see the Changing from a Minitower to a Desktop Configuration section in this guide. Figure 1-1 Convertible Minitower - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 8
Eject Buttons 8 5.25-inch Media Card Reader (optional) 9 Dual-State Power Button 10 Power On Light 11 USB (Universal Serial Bus) Ports 12 Headphone Connector 13 Microphone Connector NOTE An optical drive is a CD-ROM, DVD+R/RW, or CD-RW/DVD Combo drive. 1 Some models are configured with a media - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 9
Reader Components The media card reader is an optional device available on some models only. Refer to the PRO/MS PRO DUO ● Memory Stick (MS) ● MagicGate Memory Stick (MG) ● MagicGate Memory Duo ● Memory Stick Select ● Memory Stick Duo (MS Duo) ● Memory Stick PRO (MS PRO) ● Memory Stick PRO Duo (MS - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 10
for powered audio devices (green) 10 Line-In Audio Connector (blue) 11 Microphone Connector (pink) 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. If a PCI graphics - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 11
, 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 functions in other software applications. 8 Windows Logo Keys1 Used to open the Start menu in Microsoft Windows. Used in combination with other keys - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 12
Logo Key + Tab 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 Launches Windows Help Locks the computer if you are connected to a network domain, or allows you to switch - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 13
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. Keep these numbers available for use when contacting customer service for assistance. Figure 1-2 Serial Number and Product ID - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 14
8 Chapter 1 Product Features ENWW - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 15
setup, posture, and health and work habits for computer users, and provides important electrical and mechanical safety information. This guide is located on the Web at http://www.hp.com/ergo and on the Documentation and Diagnostics CD. CAUTION Static electricity can damage the electrical components - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 16
to access the internal computer components in any of the following circumstances: ● Power outage ● Startup failure ● 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 - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 17
5. 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 6. Remove the access panel. To reattach the Smart Cover Lock, secure the lock in place with the tamper-proof screws. ENWW - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 18
or compact discs, from the computer. 3. Turn off the computer properly through the operating system, then turn off any external devices. 4. Disconnect the power cord from the power outlet and disconnect any external devices. CAUTION Regardless of the power-on state, voltage is always present - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 19
Access Panel 1. Lay the computer down on its large base for greater stability. 2. 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 Replacing the - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 20
or compact discs, from the computer. 3. Turn off the computer properly through the operating system, then turn off any external devices. 4. Disconnect the power cord from the power outlet and disconnect any external devices. CAUTION Regardless of the power-on state, voltage is always present - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 21
points on the front bezel in their corresponding slots in the chassis (1). 2. Rotate the front bezel onto the chassis (2). 3. Snap the catches at the top of the bezel into place (3). 4. Snap the release tabs into place (4). Figure 2-5 Replacing the Front Bezel ENWW Replacing the Front Bezel 15 - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 22
computer. 3. Turn off the computer properly through the operating system, then turn off any external devices. 4. Disconnect the power cord from the power outlet and disconnect any external devices. CAUTION Regardless of the power Bezel Blanks from the Subpanel (Desktop Shown) NOTE When replacing the - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 23
the mandatory JEDEC SPD information In addition, the computer supports: ● 256Mbit, 512Mbit, and 1Gbit non-ECC memory technologies ● single-sided and double-sided DIMMs ● DIMMs constructed with x8 and x16 DDR devices; DIMMs constructed with x4 SDRAM are not supported NOTE The system will not start if - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 24
. ● The system will operate in a higher-performing dual channel mode if the total memory capacity of the DIMMs in Channel A is equal to the total memory capacity of the DIMMs in Channel B. The technology and device width can vary between the channels. For example, if Channel A is populated with two - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 25
by the slowest DIMM in the system. Installing DIMMs CAUTION You must disconnect the power cord before adding or removing memory modules. Regardless of the power-on state, voltage is always supplied to the memory modules as long as the computer is plugged into an active AC outlet. Adding or removing - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 26
additional modules. 10. Replace the computer access panel. 11. Reconnect the power cord and turn on the computer. 12. Lock any security devices that were disengaged when the computer access panel was removed. The computer should automatically recognize the additional memory the next time you turn on - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 27
media, such as diskettes or compact discs, from the computer. 3. Turn off the computer properly through the operating system, then turn off any external devices. 4. Disconnect the power cord from the power outlet and disconnect any external devices. ENWW Removing or Installing an Expansion Card 21 - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 28
the LED on the system board to the 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. 6. Locate the correct vacant expansion socket on the system board and the corresponding expansion slot on the back - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 29
back of the chassis. Lift the expansion slot cover from the expansion slot. Figure 2-11 Removing an Expansion Slot Cover b. 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. Lift the card - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 30
free from the socket. Lift the card straight up to remove it. Be sure not to scrape the card against other components. Figure 2-13 Removing a PCI Express x16 Expansion Card 9. Store the removed card in anti-static packaging. 10. If you are not installing a new expansion card, install an expansion - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 31
Reconnect the power cord and turn on the computer. 16. Lock any security devices that were disengaged when the computer access panel was removed. 17. Reconfigure the computer, if necessary. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD for instructions about - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 32
Desktop and Minitower mounting bracket for these drive bays is available from HP. 2 Depending on the computer configuration, you may have a bezel blank in devices installed in the computer, run Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 33
or compact discs, from the computer. 3. Turn off the computer properly through the operating system, then turn off any external devices. 4. Disconnect the power cord from the power outlet and disconnect any external devices. CAUTION Regardless of the power-on state, voltage is always present - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 34
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 Removing a 3.5-inch Drive or a 5.25-inch Drive in the Minitower Configuration (Optical Drive shown) ● To remove a hard drive from and internal 3.5-inch - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 35
not support Parallel HP-supplied metric screws are black. The HP-supplied standard screws are silver. CAUTION To prevent loss of work and damage to the computer or drive: If you are inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 36
. 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. 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as diskettes or - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 37
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 bay supports a power connectors. ENWW Installing Additional Drives 31 - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 38
PCI card included power cord and turn on the computer. 14. Lock any security devices that were disengaged when the computer access panel was removed. 15. Reconfigure the computer, if necessary. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD for instructions - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 39
initially set up the computer to restore the operating system, software drivers, and any software applications that were preinstalled on the computer. 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 - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 40
guide slots in the drive cage. The use of unnecessary force when installing any drive into the drive bay may result in damage to the drive. 8. Connect the power cable (1) and data cable (2) to the rear of the hard drive. Figure 2-23 Connecting the Power hard drive performance problems. If you are - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 41
Reconnect the power cord and turn on the computer. 12. Lock any security devices that were disengaged when the computer access panel was removed. 13. Reconfigure the computer, if necessary. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD for instructions about - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 42
a Minitower to a Desktop Configuration 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all removable media, such as diskettes or compact discs, from the computer. 3. Turn off the computer properly through the operating system, then turn off any external devices - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 43
The bottom bay supports a drive that Reconnect all power and desktop configuration. 14. Reposition the subpanel (rotate it 90º) with the logo at the bottom, then snap it back into the bezel. Figure 2-26 Changing from a Minitower to a Desktop Configuration 15. Replace the front bezel and computer - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 44
16. Reconnect the power cord and turn on the computer. 17. Lock any security devices that were disengaged when the computer access panel was removed. Changing from a Desktop to a MinitowerConfiguration 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove all - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 45
a shorter depth than the upper two bays. The bottom bay supports a drive that is no more than 17 cm (6.7 inches) result in damage to the drive. 11. Reconnect all power and data cables to the drives in the 5.25-inch minitower configuration. ENWW Changing from a Desktop to a MinitowerConfiguration 39 - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 46
into the bezel. Figure 2-29 Changing from a Desktop to a Minitower Configuration 15. Replace the front bezel and computer access panel. 16. Reconnect the power cord and turn on the computer. 17. Lock any security devices that were disengaged when the computer access panel was removed. 40 Chapter - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 47
if the computer is equipped with a 17.8 in port security bracket) Approximate Weight 35 lb Weight Supported (maximum distributed load for Desktop 100 lb configuration installed. Heat Dissipation Maximum Typical (idle) Power Supply 1,916 BTU/hr 375 BTU/hr 115V 483 kg-cal/hr 95 kg-cal/hr - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 48
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. 42 Appendix A Specifications ENWW - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 49
the HP spare designated for this product. CAUTION Before replacing the battery, it is important to back up the computer CMOS settings. When the battery is removed or replaced, the CMOS settings will be cleared. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 50
panel, look for the LED on the system board to the 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. 6. Locate the battery and battery holder on the system board. NOTE On some - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 51
9. Plug in the computer and turn on power to the computer. 10. Reset the date and time, your passwords, and any special system setups using Computer Setup. Refer to the Computer Setup (F10) Utility Guide on the Documentation and Diagnostics CD. 11. Lock any security devices that were disengaged when - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 52
46 Appendix B Battery Replacement ENWW - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 53
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 - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 54
Padlock Figure C-2 Installing a Padlock 48 Appendix C External Security Devices ENWW - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 55
devices. This type of damage may reduce the life expectancy of the device to a grounded workstation or computer chassis. Wrist straps are flexible HP authorized dealer, reseller, or service provider. NOTE For more information on static electricity, contact an HP authorized dealer, reseller, or service - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 56
50 Appendix D Electrostatic Discharge ENWW - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 57
with the keyboard feet down, directly against the front of the desktop unit as this also restricts airflow. ● Never operate the computer with the cover or side panel removed. ● Do not stack computers on top of each other or place computers so near each other that they are subject to each other's re - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 58
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: 1. Back up the hard drive files on PD discs, tape cartridges, CDs, or diskettes. Be sure that the backup - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 59
microphone connector 2, 4 minitower conversion 38 monitor connector 4 mouse connector 4 special functions 7 N network connector 4 O optical drive cleaning 52 defined 2 installing 30 precautions 52 removing 27 P parallel connector 4 PCI card 21, 23 PCI Express card 21, 24 power supply 41 product ID - Compaq dc7700 | Hardware Reference Guide - dc7700 CMT - Page 60
bezel 14 media card reader 27 PCI card 23 PCI Express card 24 Smart Cover Lock 10 S security cable lock 47 padlock 48 Smart Cover Lock 10 serial connector 4 serial number location 7 shipping preparation 52 Smart Cover Lock 10 specifications computer 41 memory 17 U unlocking access panel USB ports
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Hardware Reference Guide - dc7700 Series
Convertible Minitower
HP Compaq Business PC