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Hardware Reference Guide - dc7800 Series SmallForm Factor ModelHP Compaq Business PC

Rear Panel ComponentsFigure 1-4 Rear Panel ComponentsTable 1-3 Rear Panel Components1 Serial Connector 6 VGA Monitor Connector2 Parallel Connector 7

KeyboardFigure 1-5 Keyboard ComponentsTable 1-4 Keyboard Components1 Function Keys Perform special functions depending on the software application b

Using the Windows Logo KeyUse the Windows Logo key in combination with other keys to perform certain functions available in theWindows operating syste

Special Mouse FunctionsMost software applications support the use of a mouse. The functions assigned to each mouse buttondepend on the software applic

2 Hardware UpgradesServiceability FeaturesThe computer includes features that make it easy to upgrade and service. No tools are needed for mostof the

Using the Small Form Factor Computer in a TowerOrientationThe Small Form Factor computer can be used in a tower orientation. The HP logo plate on the

11. Orient the computer so that its right side is facing down.Figure 2-2 Changing from Desktop to Tower OrientationNOTE: To stabilize the computer in

Unlocking the Smart Cover LockNOTE: The Smart Cover Lock is an optional feature included on some models only.The Smart Cover Lock is a software-contro

6. Use the Smart Cover FailSafe Key to remove the tamper-proof screw that secures the Smart CoverLock to the chassis.Figure 2-3 Removing the Smart Co

Removing the Computer Access Panel1. Remove/disengage any security devices that prohibit opening the computer.2. Remove all removable media, such as d

© Copyright 2007 Hewlett-PackardDevelopment Company, L.P. Theinformation contained herein is subject tochange without notice.Microsoft, Windows, and W

Replacing the Computer Access PanelAlign the tabs on the panel with the slots on the chassis (1) then slide the access panel all the way ontothe chass

Removing the Front Bezel1. Remove/disengage any security devices that prohibit opening the computer.2. Remove all removable media, such as diskettes o

Removing Bezel BlanksOn some models, there are bezel blanks covering the 3.5-inch and 5.25-inch external drive bays thatneed to be removed before inst

Replacing the Front BezelInsert the two hooks on the left side of the bezel into the rectangular holes on the chassis (1) then rotatethe right side of

Installing Additional MemoryThe computer comes with double data rate 2 synchronous dynamic random access memory (DDR2-SDRAM) dual inline memory module

Populating DIMM SocketsThere are four DIMM sockets on the system board, with two sockets per channel. The sockets arelabeled DIMM1, DIMM2, DIMM3, and

Installing DIMMsCAUTION: You must disconnect the power cord before adding or removing memory modules.Regardless of the power-on state, voltage is alwa

8. Open both latches of the memory module socket (1), and insert the memory module into the socket(2).Figure 2-11 Installing a DIMMNOTE: A memory mod

Removing or Installing an Expansion CardThe computer has one standard low-profile PCI expansion slot that can accommodate an expansioncard up to 17.46

8. Release the slot cover retention latch that secures the PCI slot covers by lifting the green tab onthe latch and rotating the latch to the open pos

About This BookThis guide provides basic information for upgrading this computer model.WARNING! Text set off in this manner indicates that failure to

b. If you are removing a standard PCI card, hold the card at each end, and carefully rock it backand forth until the connectors pull free from the soc

CAUTION: After removing an expansion card, you must replace it with a new card or expansionslot cover for proper cooling of internal components during

Drive PositionsFigure 2-18 Drive PositionsTable 2-3 Drive Positions1 3.5-inch internal hard drive bay2 5.25-inch external drive bay for optional dri

Installing and Removing DrivesWhen installing additional drives, follow these guidelines:●The primary Serial ATA (SATA) hard drive must be connected t

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

System Board Drive ConnectionsRefer to the following illustration and table to identify the system board drive connectors.Figure 2-21 System Board Dr

Removing an Optical DriveCAUTION: All removable media should be taken out of a drive before removing the drive from thecomputer.NOTE: An optical drive

8. Disconnect the power cable (1) and data cable (2) from the rear of the optical drive.Figure 2-23 Disconnecting the Power and Data Cables9. Rotate

10. Press the green drive retainer latch (1) located on the right side of the drive to disengage the drivefrom the drive cage. While pressing the driv

8. Install two M3 metric guide screws in the lower holes on each side of the drive. HP has providedfour extra M3 metric guide screws on the front of t

iv About This Book ENWW

10. Rotate the drive cage to its upright position.Figure 2-28 Rotating the Drive Cage Up11. Connect the SATA data cable to the white system board con

14. Rotate the drive cage back down to its normal position.CAUTION: Be careful not to pinch any cables or wires when rotating the drive cage down.Figu

2. Disconnect the drive cables, as indicated in the following illustrations:a. If you are removing a diskette drive, disconnect the data cable (1) and

3. Press the green drive retainer latch (1) located on the right side of the drive to disengage the drivefrom the drive cage. While pressing the drive

3. Position the guide screws on the drive into the J-slots in the drive bay. Then slide the drive towardthe front of the computer until it locks into

Removing and Replacing the Primary 3.5-inch Internal SATA Hard DriveNOTE: The system does not support Parallel ATA (PATA) hard drives.Before you remov

8. Rotate the power supply to its upright position. The hard drive is located beneath the power supply.CAUTION: If the computer has a Smart Cover Lock

10. Press down on the green release latch next to the hard drive (1). While holding the latch down,slide the drive forward until it stops, then lift t

Removing and Replacing a Removable 3.5-inch SATA Hard DriveSome models are equipped with a Removable SATA Hard Drive Enclosure in the 5.25-inch extern

4. Remove the four screws from the bottom of the hard drive carrier.Figure 2-41 Removing the Security Screws5. Slide the hard drive back to disconnec

Table of contents1 Product FeaturesStandard Configuration Features ...

6. Place the new hard drive in the carrier then slide the hard drive back so that it seats in the SATAconnector on the carrier's circuit board. B

8. Place the thermal sensor on top of the hard drive in a position that does not cover the label (1) andattach the thermal sensor to the top of the ha

A SpecificationsTable A-1 SpecificationsDesktop DimensionsHeightWidthDepth3.95 in13.3 in14.9 in10.0 cm33.8 cm37.8 cmApproximate Weight 19 lb 8.6 kgWe

Standard PS80 Plus PS4A @ 100 VAC3.5A @ 100VAC2A @ 200 VAC1.75A @ 200VAC1This system utilizes an active power factor corrected power supply. This allo

B Battery ReplacementThe battery that comes with the computer provides power to the real-time clock. When replacing thebattery, use a battery equivale

8. Depending on the type of battery holder on the system board, complete the following instructionsto replace the battery.Type 1a. Lift the battery ou

b. Insert the new battery and position the clip back into place.Figure B-3 Removing a Coin Cell Battery (Type 3)NOTE: After the battery has been repl

C External Security DevicesNOTE: For information on data security features, refer to the Computer Setup (F10) Utility Guide, theDesktop Management Gui

PadlockFigure C-2 Installing a Padlock52 Appendix C External Security Devices ENWW

HP Business PC Security Lock1. Fasten the security cable by looping it around a stationary object.Figure C-3 Securing the Cable to a Fixed Object2. T

Appendix C External Security DevicesInstalling a Security Lock ...

3. Screw the lock to the chassis using the screw provided.Figure C-5 Attaching the Lock to the Chassis4. Insert the plug end of the security cable in

D Electrostatic DischargeA discharge of static electricity from a finger or other conductor may damage system boards or otherstatic-sensitive devices.

E Computer Operating Guidelines,Routine Care and Shipping PreparationComputer Operating Guidelines and Routine CareFollow these guidelines to properly

Optical Drive PrecautionsBe sure to observe the following guidelines while operating or cleaning the optical drive.Operation●Do not move the drive dur

IndexAaccess panellocking and unlocking 11, 51audio connectors 2, 4Bbackup and recovery 41battery replacement 48Ccomputer access panelremoving 13rep

front bezel 15hard drive 39media card reader 35optical drive 30PCI card 24PCI Express card 24Smart Cover Lock 11Ssecuritycable lock 51HP Business PC S

1 Product FeaturesStandard Configuration FeaturesThe HP Compaq Small Form Factor features may vary depending on the model. For a complete listingof th

Front Panel ComponentsDrive configuration may vary by model.Figure 1-2 Front Panel ComponentsTable 1-1 Front Panel Components1 5.25-inch Optical Dri

Media Card Reader ComponentsThe media card reader is an optional device available on some models only. Refer to the followingillustration and table to