HP dc73 Hardware Reference Guide - HP Compaq dc7800 Small Form Factor
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- HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 1
Hardware Reference Guide - dc7800 Series Small Form Factor Model HP Compaq Business PC - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 2
Windows, and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. The only warranties for HP products and services are set Company. Hardware Reference Guide HP Compaq Business PC dc7800 Series Small Form Factor Model First - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - 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 set off in this manner indicates that failure to follow directions - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 4
iv About This Book ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 5
Media Card Reader Components ...3 Rear Panel Components ...4 Keyboard ...5 Using the Windows Logo Key 6 Special Mouse Functions ...7 Serial Number Location ...7 2 Hardware Upgrades Serviceability Features ...8 Warnings and Cautions ...8 Using the Small Form Factor Computer in a Tower Orientation - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 6
...51 Cable Lock ...51 Padlock ...52 HP Business PC Security Lock 53 Appendix D Electrostatic Discharge Preventing Electrostatic Damage ...55 Grounding Methods ...55 Appendix E Computer Operating Guidelines, Routine Care and Shipping Preparation Computer Operating Guidelines and Routine Care 56 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 7
The HP Compaq Small Form Factor 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 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 8
Light 2 Optical Drive Activity Light 7 3.5-inch Media Card Reader (optional)1 3 Optical Drive Eject Button 8 Microphone Connector 4 Hard Drive Activity Light 9 USB (Universal Serial Bus) Ports 5 Dual-State Power Button 10 Headphone Connector NOTE: An optical drive is a DVD-ROM or SuperMulti - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 9
MicroSD (T-Flash) (adapter required) 4 USB (Universal Serial Bus) Port 5 CompactFlash I/II ● CompactFlash Card Type 1 ● CompactFlash Card Type 2 ● MicroDrive 6 MS PRO/MS PRO DUO ● Memory Stick (MS) ● MagicGate Memory Stick (MG) ● MagicGate Memory Duo ● Memory Stick Select ● Memory Stick Duo (MS Duo - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 10
audio driver's control panel. The monitor connector on the system board is inactive when a PCI Express x16 graphics card is installed in the computer. If a PCI or PCI Express x1 graphics card is installed, the connectors on the card and the system board may be used at the same time. Some settings - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 11
, 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 functions in other software applications. 8 Windows Logo Keys1 Used to open the Start menu in Microsoft Windows. Used in combination with other keys - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 12
My Computer Windows Logo Key + f Launches Find Document Windows Logo Key + Ctrl + f Launches Find Computer Windows Logo Key + F1 Launches Windows Help Windows Logo Key + l Locks the computer if you are connected to a network domain, or allows you to switch users if you are not connected to - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 13
on the software applications you are using. Serial Number Location Each computer has a unique serial number and product ID number in the location shown below. Keep these numbers available for use when contacting customer service for assistance. Figure 1-6 Serial Number and Product ID Location ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 14
injury, read the Safety & Comfort Guide. It describes proper workstation, 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. CAUTION: Static electricity can - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 15
the Small Form Factor Computer in a Tower Orientation The Small Form Factor computer can be used in a tower orientation. The HP logo plate on the front bezel is adjustable for either desktop or tower orientation. 1. Remove/disengage any security devices that prohibit opening the computer. 2. Remove - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 16
is facing down. Figure 2-2 Changing from Desktop to Tower Orientation NOTE: To stabilize the computer in a tower orientation, HP recommends the use of the optional tower stand. 12. Reconnect the power cord and any external devices, then turn on the computer. 13. Lock any security devices that were - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 17
cover. You will need the key 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 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 18
Cover Lock Screw 7. Remove the access panel. To reattach the Smart Cover Lock, secure the lock in place with the tamper-proof screw. 12 Chapter 2 Hardware Upgrades ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 19
the system 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. 5. If the computer is on a stand, remove the computer from the stand. 6. Press the buttons on the left and right sides of the - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 20
Replacing the Computer Access Panel Align the tabs on the panel with the slots on the chassis (1) then slide the access panel all the way onto the chassis until it locks into place (2). Figure 2-5 Replacing the Access Panel 14 Chapter 2 Hardware Upgrades ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 21
on the system 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. 5. Remove the access panel. 6. Lift up the green latch behind the upper right side of the bezel (1) and pull the - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 22
edge of the bezel (1) and pull the bezel blank inwards to remove it (2). Figure 2-8 Removing a 5.25-inch Bezel Blank 4. Replace the front bezel. 16 Chapter 2 Hardware Upgrades ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 23
Replacing the Front Bezel Insert the two hooks on the left side of the bezel into the rectangular holes on the chassis (1) then rotate the right side of the bezel onto the chassis (2) and snap it into place. Figure 2-9 Replacing the Front Bezel ENWW Replacing the Front Bezel 17 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 24
timing), and CAS latency 6 DDR2 800 Mhz (6-6-6 timing) ● contain the mandatory JEDEC SPD information In addition, the computer supports: ● 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 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 25
4 DIMM4 socket, Channel B White NOTE: A DIMM must occupy the black DIMM1 socket. Otherwise, the system will display a POST error message indicating that a memory module must be installed in the black socket. The system will automatically operate in single channel mode, dual channel mode, or flex - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 26
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 memory modules while voltage is present may - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 27
, replace the stand. 13. Reconnect the power cord and turn on the computer. 14. Lock any security devices that were disengaged when the access panel was removed. The computer should automatically recognize the additional memory the next time you turn on the computer. ENWW Installing Additional - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 28
(6.875 inches) in length. The computer also has two PCI Express x1 expansion slots and one PCI Express x16 expansion slot. NOTE: The PCI and PCI Express slots support only low profile cards. An optional riser is available from HP that will support two full-height PCI cards. If the riser is installed - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 29
Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab on the latch and rotating the latch to the open position. Figure 2-13 Opening the Expansion Slot Retainer 9. Before installing an expansion card, remove the expansion slot cover or the existing expansion - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 30
scrape the card against the other components. Figure 2-16 Removing a PCI Express x16 Expansion Card 10. Store the removed card in anti-static packaging. 11. If you are not installing a new expansion card, install an expansion slot cover to close the open slot. 24 Chapter 2 Hardware Upgrades ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 31
stand. 17. Reconnect the power cord and turn on the computer. 18. Lock any security devices that were disengaged when the access panel was removed. 19. Reconfigure the computer, if necessary. Refer to the Computer Setup (F10) Utility Guide for instructions on using Computer Setup. ENWW Removing or - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 32
drive shown) 3 3.5-inch external drive bay for optional drives (media card reader shown) NOTE: The 3.5-inch external drive bay can also be configured in the computer, run Computer Setup. Refer to the Computer Setup (F10) Utility Guide for more information. 26 Chapter 2 Hardware Upgrades ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 33
. ● Connect a media card reader to the USB connector labeled MEDIA. ● The system does not support Parallel ATA (PATA) optical drives or PATA hard 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 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 34
inserting or removing a drive, shut down the operating system properly, turn off the computer, and unplug the power cord. Before handling a drive, ensure that you are discharged of static electricity. While and label the package "Fragile: Handle With Care." 28 Chapter 2 Hardware Upgrades ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 35
table to identify the system board drive connectors. Figure 2-21 System Board Drive Connections Table 2-4 System Board Drive Connections No. System Board Connector System Board Label 1 Media Card Reader MEDIA 2 Diskette Drive FLOPPY 3 SATA0 SATA0 4 SATA1 SATA1 5 SATA4 SATA4 Color - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 36
from the computer. NOTE 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 power cord to avoid damage to the internal components of the computer. 5. If the computer is on a stand, remove the computer - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 37
cable (1) and data cable (2) from the rear of the optical drive. Figure 2-23 Disconnecting the Power and Data Cables 9. Rotate the drive cage back down to its normal position. CAUTION: Be careful not to pinch any cables or wires when rotating - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 38
reverse the removal procedure. When replacing a drive, transfer the four guide screws from the old drive to the new one. Installing an must disconnect the power cord to avoid damage to the internal components of the computer. 5. If the computer is on a stand, remove the computer from the stand - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 39
drive. HP has provided four extra M3 metric guide screws on the front of the chassis, under the front bezel. The M3 metric guide screws Guide Screws in the Optical Drive 9. Position the guide screws on the drive into the J-slots in the drive bay. Then slide the drive toward the front of the computer - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 40
frame under the drive cage. Ensure that the data cable is routed through these guides before connecting it to the optical drive. 13. Connect the power cable (1) and data cable (2) to the rear of the optical drive. Figure 2-29 Connecting the Power and Data Cables 34 Chapter 2 Hardware Upgrades ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 41
access panel. 16. If the computer was on a stand, replace the stand. 17. Reconnect the power cord and turn on the computer. 18. Lock any security before removing the drive from the computer. NOTE: The 3.5-inch drive bay may contain a diskette drive or a media card reader. The 3.5-inch drive is - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 42
data cable (1) and power cable (2) from the back of the drive. Figure 2-31 Disconnecting the Diskette Drive Cables b. If you are removing a media card reader, disconnect the USB cable from the system board. Figure 2-32 Disconnecting the Media Card Reader Cable 36 Chapter 2 Hardware Upgrades ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 43
the HP-supplied 6-32 standard screws are silver. Refer to Installing and Removing Drives on page 27 for illustrations of the guide screw computer is turned off and that the power cord is disconnected from the electrical outlet before proceeding. 2. If you are installing a diskette drive or media card - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 44
card reader, connect the USB cable from the media card reader to the USB connector on the system board labeled MEDIA. 5. Replace the optical drive. 6. Replace the front bezel and access panel. 7. If the computer was on a stand, replace the stand. 8. Reconnect the power cord and turn on the computer - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 45
NOTE: The system does not support Parallel ATA (PATA) hard drivers, and any software applications that were preinstalled on the computer. If you do not have this CD set, select Start > HP Backup and Recovery and create it now. The preinstalled 3.5-inch hard drive is located under the power supply - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 46
its upright position. The hard drive is located beneath the power supply. CAUTION: If the computer has a Smart Cover Lock installed next to the drive cage, carefully route all cables around the Smart Cover Lock assembly as you raise the power supply to avoid damage to the cables or lock. Figure 2-36 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 47
Torx T-15 or flat blade screwdriver to remove and reinstall the guide screws. If you are replacing the primary hard drive, make sure you have created a Recovery Disc Set to restore the operating system, software drivers, and any software applications that were preinstalled on the computer. If you do - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 48
a Recovery Disc Set 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, select Start > HP Backup and Recovery (2). Figure 2-40 Removing the Thermal Sensor 42 Chapter 2 Hardware Upgrades ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 49
4. Remove the four screws from the bottom of the hard drive carrier. Figure 2-41 Removing the Security Screws 5. Slide the hard drive back to disconnect it from the carrier then lift it up and out of the carrier. Figure 2-42 Removing the Hard Drive ENWW Installing and Removing Drives 43 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 50
7. Replace the four screws in the bottom of the carrier to hold the drive securely in place. Figure 2-44 Replacing the Security Screws 44 Chapter 2 Hardware Upgrades ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 51
to secure the cover in place (2). Figure 2-46 Replacing the Carrier Cover 10. Slide the hard drive carrier into the enclosure on the computer and lock it with the key provided. NOTE: The carrier must be locked for power to be supplied to the hard drive. ENWW Installing and Removing Drives 45 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 52
Specifications Table A-1 Specifications Desktop Dimensions Height 3.95 in 10.0 cm Width 13.3 in 33.8 cm Depth 14.9 in 37.8 cm Approximate Weight 19 lb 8.6 kg Weight Supported (maximum distributed load in desktop BTU/hr 60 kg-cal/hr Power Supply 115V 230V Operating Voltage Range1 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 53
Table A-1 Specifications (continued) Standard PS 4A @ 100 VAC 2A @ 200 VAC 80 Plus PS 3.5A @ 100VAC 1.75A @ 200VAC 1 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 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 54
of the lithium battery can be extended by plugging the computer into a live 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 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 55
8. Depending on the type of battery holder on the system board, complete the following instructions to replace the battery. Type 1 a. Lift the battery out of its holder. Figure B-1 Removing a Coin Cell Battery (Type 1) b. Slide the replacement battery into position, positive - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 56
was on a stand, replace the stand. 11. Plug in the computer and turn on power to the computer. 12. Reset the date and time, your passwords, and any special system setups using Computer Setup. Refer to the Computer Setup (F10) Utility Guide. 13. Lock any security devices that were disengaged when the - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 57
Security Devices NOTE: For information on data security features, refer to the Computer Setup (F10) Utility Guide, the Desktop Management Guide, 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 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 58
Padlock Figure C-2 Installing a Padlock 52 Appendix C External Security Devices ENWW - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 59
HP Business PC Security Lock 1. Fasten the security cable by looping it around a stationary object. Figure C-3 Securing the Cable to a Fixed Object 2. Thread the keyboard and mouse cables through the lock. Figure C-4 Threading the Keyboard and Mouse Cables ENWW Installing a Security Lock 53 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 60
3. Screw the lock to the chassis using the screw provided. Figure C-5 Attaching the Lock to the Chassis 4. Insert the plug end of the security cable into the lock (1) and push the button in (2) to engage the lock. Use the key provided to disengage the lock. Figure C-6 Engaging the Lock 54 Appendix - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 61
sensitive parts: ● Use a wrist strap connected by a ground cord to a grounded workstation or computer chassis. Wrist straps are flexible straps HP authorized dealer, reseller, or service provider. NOTE: For more information on static electricity, contact an HP authorized dealer, reseller, or service - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 62
feet down, directly against the front of the desktop unit as this also restricts airflow. ● Never operate the computer with the access panel or any of the expansion card slot covers removed. ● Do not stack computers on top of each other or place computers so near each other that they are subject to - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 63
as condensation may form inside the unit. If the temperature before you turn off the power. If you operate the Clean the panel and controls with a soft, dry computer and have it checked by an authorized HP service provider. Shipping Preparation Follow these suggestions when preparing to ship the computer - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 64
57 removing 30 P parallel connector 4 PCI card 22, 24 PCI Express card 22, 24 power supply 46 product ID location 7 R rear panel components 4 removable hard drive replacing 42 removing battery 48 bezel blanks 16 computer access panel 13 diskette drive 35 expansion card 22 expansion slot cover 23 - HP dc73 | Hardware Reference Guide - HP Compaq dc7800 Small Form Factor - Page 65
24 PCI Express card 24 Smart Cover Lock 11 S security cable lock 51 HP Business PC Security Lock 53 padlock 52 Smart Cover Lock 11 serial connector 4 serial number location 7 shipping preparation 57 Smart Cover Lock 11 specifications computer 46 memory 18 system board drive connections 29 T tower
Hardware Reference Guide - dc7800 Series Small
Form Factor Model
HP Compaq Business PC