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Serial Number Location

Each computer has a unique serial number and product ID number that are located on the top of the
computer. Keep these numbers available for use when contacting customer service for assistance.

Figure 1-5

Serial Number and Product ID Location

6

Chapter 1 Product Features

ENWW

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Содержание Compaq dx2818 Microtower

Страница 1: ...Hardware Reference Guide dx2818 Microtower Model HP Compaq Business PC ...

Страница 2: ...tatements accompanying such products and services 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 No part of this document may be photocopied reproduced or translated to another language without the prior writ...

Страница 3: ...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 could result in damage to equipment or loss of information NOTE Text set off in this manner provides important supplemental information ENWW iii ...

Страница 4: ...iv About This Book ENWW ...

Страница 5: ...s 11 Replacing the Front Bezel 12 Installing Additional Memory 13 DIMMs 13 DDR2 SDRAM DIMMs 13 Populating DIMM Sockets 14 Installing DIMMs 15 Removing or Installing an Expansion Card 17 Drive Positions 22 Installing Additional Drives 23 System Board Drive Connections 24 Removing an Optical Drive 25 Installing an Optical Drive into the 5 25 inch Drive Bay 26 Removing an External 3 5 inch Drive 28 I...

Страница 6: ...3 Hood Sensor 45 Port Cover 45 Appendix D Electrostatic Discharge Preventing Electrostatic Damage 47 Grounding Methods 47 Appendix E Computer Operating Guidelines Routine Care and Shipping Preparation Computer Operating Guidelines and Routine Care 48 Optical Drive Precautions 49 Operation 49 Cleaning 49 Safety 49 Shipping Preparation 49 Index 50 vi ENWW ...

Страница 7: ...are provided in the Troubleshooting Guide Figure 1 1 HP Compaq dx2818 Microtower NOTE The drive configuration shown above may be different than your computer model The illustration shown above may look different than your computer model Serviceability Features The Microtower computer includes features that make it easy to upgrade and service A Torx T 15 or flat blade screwdriver is needed for many...

Страница 8: ...al Drive Activity Light 7 Optical Drive Eject Button 3 Diskette Drive optional 2 8 USB Universal Serial Bus 2 0 Ports 4 Reset Recovery Button 9 Headphone Connector 5 Dual State Power Button 10 Microphone Connector 1 Some models have bezel blanks covering one or both of the 5 25 inch drive bays 2 Some models have a bezel blank covering the 3 5 inch drive bay 2 Chapter 1 Product Features ENWW ...

Страница 9: ... 6 Line In Audio Connector blue 12 PS 2 Keyboard Connector purple NOTE Arrangement and number of connectors may vary by model The monitor connector on the system board is inactive when a PCI Express x16 graphics card is installed in the computer If a 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 may need to be c...

Страница 10: ...n May perform other functions in other software applications 8 Windows Logo Keys1 Used to open the Start menu in Microsoft Windows Used in combination with other keys to perform other functions 9 Alt Keys Used in combination with another key their effect depends on the application software you are using 1 Keys available in select geographic regions Using the Windows Logo Key Use the Windows Logo k...

Страница 11: ...programs on the Taskbar using the Windows Flip 3 D In addition to the Windows Logo Key functions described above the following functions are also available in Microsoft Windows Vista Ctrl Windows Logo Key Tab Use the arrow keys to cycle through programs on the Taskbar by using Windows Flip 3 D Windows Logo Key Spacebar Brings all gadgets to the front and select Windows Sidebar Windows Logo Key g C...

Страница 12: ...e serial number and product ID number that are located on the top of the computer Keep these numbers available for use when contacting customer service for assistance Figure 1 5 Serial Number and Product ID Location 6 Chapter 1 Product Features ENWW ...

Страница 13: ...es 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 WARNING Energized and moving parts inside Disconnect power to the equipment before removing the enclosure Replace and secure the enclosure before re energizing the equipment CAUTION Static elec...

Страница 14: ... active AC outlet You must disconnect the power cord to avoid damage to the internal components of the computer 5 Loosen the captive thumbscrew 1 that secures the access panel to the computer chassis 6 Slide the access panel back 2 about 1 3 cm 1 2 inch then lift it off the unit NOTE You may want to lay the computer on its side to install internal parts Be sure the side with the access panel is fa...

Страница 15: ... 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 Figure 2 2 Replacing the Computer Access Panel ENWW Replacing the Computer Access Panel 9 ...

Страница 16: ...d disconnect any external devices CAUTION Regardless of the power on state voltage is always present 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 computer access panel 6 Press outward on the three latches on the right side of the bezel 1 then rotate the right ...

Страница 17: ... the lower 5 25 inch bezel blank gently twist and pull on the bezel blank until it breaks free from the front bezel 1 then discard the bezel blank If the blank needs to be replaced at a later date you can order a replacement blank from HP 3 To remove the 3 5 inch bezel blank press the two retaining tabs towards the outer left edge of the bezel 2 and pull the bezel blank inwards to free it from the...

Страница 18: ...Insert the three hooks on the left side of the bezel into the slots on the chassis 1 and rotate the bezel on from left to right 2 so that it snaps in place Figure 2 5 Replacing the Front Bezel 12 Chapter 2 Hardware Upgrades ENWW ...

Страница 19: ...nnel mode DDR2 SDRAM DIMMs For proper system operation the DDR2 SDRAM DIMMs must be industry standard 240 pin unbuffered PC2 6400 800 MHz compliant 1 8 volt DDR2 SDRAM DIMMs The DDR2 SDRAM DIMMs must also support CAS latency 5 DDR2 800 Mhz 5 5 5 timing and CAS latency 6 DDR2 800 Mhz 6 6 6 timing contain the mandatory JEDEC SPD information In addition the computer supports 512Mbit 1Gbit and 2Gbit n...

Страница 20: ...dual channel mode or flex mode depending on how the DIMMs are installed The system will operate in single channel mode if the DIMM sockets are populated in one channel only 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 be...

Страница 21: ...d metal contacts to prevent corrosion and or oxidation resulting from having incompatible metals in contact with each other Static electricity can damage the electronic components of the computer or optional cards Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object For more information refer to Appendix D Electrostatic ...

Страница 22: ...MM Sockets on page 14 for more information 8 Push the DIMM module down firmly into the socket ensuring that the module is fully inserted and properly seated The DIMM must be pushed all the way down into the socket and sit evenly in the socket to avoid memory corruption Make sure the latches are in the closed position 3 9 Repeat steps 7 and 8 to install any additional modules 10 Replace the compute...

Страница 23: ...the PCI Express x16 expansion slot To remove replace or add an expansion card 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 4 Disconnect the power cord from the power outlet and disconnect any...

Страница 24: ...7 On the rear of the computer a slot cover lock secures the expansion card brackets in place Remove the screw from the slot cover lock then slide the slot cover lock up to remove it from the chassis Figure 2 9 Opening the Slot Cover Lock 8 Before installing an expansion card remove the expansion slot cover or the existing expansion card 18 Chapter 2 Hardware Upgrades ENWW ...

Страница 25: ...e expansion slot Be sure to remove the appropriate shield for the expansion card you are installing Figure 2 10 Removing an Expansion Slot Cover b If you are removing a PCI or PCI Express x1 card hold the card at each end and carefully rock it back and forth until the connectors pull free from the socket Be sure not to scrape the card against the other components Figure 2 11 Removing a PCI or PCI ...

Страница 26: ... card against the other components Figure 2 12 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 slot cover to close the open slot CAUTION After removing an expansion card you must replace it with a new card or expansion slot cover for proper cooling of internal components during operat...

Страница 27: ... 2 13 Installing an Expansion Card NOTE When installing an expansion card press firmly on the card so that the whole connector seats properly in the expansion card slot 12 Replace the slot cover lock and secure it in place with the screw that was previously removed Figure 2 14 Securing the Expansion Cards and Slot Covers 13 Connect external cables to the installed card if needed Connect internal c...

Страница 28: ...tions Figure 2 15 Drive Positions 1 Two 5 25 inch external drive bays for optional drives optical drive shown 2 One 3 5 inch external drive bay for optional drive diskette drive shown 3 Primary 3 5 inch internal hard drive bay 4 Secondary 3 5 inch internal hard drive bay for optional hard drive To verify the type size and capacity of the storage devices installed in the computer run Computer Setup...

Страница 29: ...drive to the connector labeled FLOPPY Connect a media card reader to the USB connector labeled F_USB2 The system does not support Parallel ATA PATA optical drives or PATA hard drives You may install either a third height or a half height drive into a half height bay If needed HP has provided extra drive retainer screws on the interior of the front bezel that are used to secure the drives in the dr...

Страница 30: ... do not drop it Do not use excessive force when inserting a drive Avoid exposing a hard drive to liquids temperature extremes or products that have magnetic fields such as monitors or speakers If a drive must be mailed place the drive in a bubble pack mailer or other protective packaging and label the package Fragile Handle With Care System Board Drive Connections Refer to the following illustrati...

Страница 31: ...rough 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 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 ...

Страница 32: ...l devices CAUTION Regardless of the power on state voltage is always present 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 and front bezel 6 If you are installing a drive in a bay covered by a bezel blank remove the front bezel then remove the beze...

Страница 33: ... screws location Figure 2 20 Installing the Optical Drive 10 If the system configuration includes only one optical drive connect the SATA data cable to the white system board connector labeled SATA2 If you are adding a second optical drive connect the SATA data cable to the orange system board connector labeled SATA4 11 Connect the power cable 1 and data cable 2 to the rear of the optical drive Fi...

Страница 34: ... 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 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 ...

Страница 35: ...rd from the power outlet and disconnect any external devices CAUTION Regardless of the power on state voltage is always present 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 and front bezel 6 If you are installing a drive in a bay covered by a beze...

Страница 36: ...the media card reader to the USB connector on the system board labeled F_USB2 NOTE Refer to System Board Drive Connections on page 24 for an illustration of the system board drive connectors 11 Replace the front bezel and access panel 12 Reconnect the power cord and turn on the computer 13 Lock any security devices that were disengaged when the access panel was removed Removing an Internal 3 5 inc...

Страница 37: ...gged into an active AC outlet You must disconnect the power cord to avoid damage to the internal components of the computer 5 Remove the computer access panel 6 Remove the two screws that secure the hard drive cage to the chassis Figure 2 25 Removing the Hard Drive Cage Screws 7 Push down the latch on the side of the hard drive cage 1 then slide the hard drive cage away from the bottom of the chas...

Страница 38: ...ge out of the chassis Figure 2 27 Removing the Hard Drive Cage 9 Disconnect the power cable 1 and data cable 2 from the back of the hard drive Figure 2 28 Disconnecting the Hard Drive Cables 32 Chapter 2 Hardware Upgrades ENWW ...

Страница 39: ...emoving the Hard Drive NOTE To install an internal 3 5 inch hard drive refer to Installing an Internal 3 5 inch Hard Drive on page 33 Installing an Internal 3 5 inch Hard Drive 1 Follow the steps in Removing an Internal 3 5 inch Hard Drive on page 30 to remove the hard drive cage and if necessary the existing hard drive ENWW Installing Additional Drives 33 ...

Страница 40: ...you are replacing an old drive with a new drive use the four retainer screws from the old drive to install the new drive NOTE If you are installing a second hard drive use four of the extra standard 6 32 screws that are installed on the interior of the front bezel The 6 32 screws are silver Refer to Installing Additional Drives on page 23 for an illustration of the retainer screws location Figure ...

Страница 41: ...ON Never crease or bend a SATA data cable tighter than a 30 mm 1 18 in radius A sharp bend can break the internal wires 4 Place the hard drive cage into the chassis 1 then slide it down toward the bottom of the chassis until it locks into place 2 Figure 2 32 Installing the Hard Drive Cage ENWW Installing Additional Drives 35 ...

Страница 42: ...d any hard drive performance problems If you are adding a second hard drive connect the data cable to the light blue connector labeled SATA3 7 Replace the computer access panel 8 Reconnect the power cord and any external devices then turn on the computer 9 Lock any security devices that were disengaged when the access panel was removed NOTE If you are replacing the primary hard drive use the Recov...

Страница 43: ... Operating Nonoperating 10 000 ft 30 000 ft 3048 m 9144 m NOTE Operating temperature is derated 1 0 C per 300 m 1000 ft to 2 286 m 7 5000 ft above sea level no direct sustained sunlight Maximum rate of change is 7 5 C Hr The upper limit may be limited by the type and number of options installed Heat Dissipation Maximum Typical idle 1575 BTU hr 307 BTU hr 397 kg cal hr 77 kg cal hr Power Supply Ope...

Страница 44: ...upply 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 This supply requires the use of an input voltage range select switch Table A 1 Specifications continued 38 Appendix A Specifications ENWW ...

Страница 45: ... computer or optional equipment Before beginning these procedures ensure that you are discharged of static electricity by briefly touching a grounded metal object NOTE The lifetime 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 electron...

Страница 46: ...utomatically secures the battery in the proper position Type 2 a To release the battery from its holder squeeze the metal clamp that extends above one edge of the battery When the battery pops up lift it out 1 b 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 t...

Страница 47: ...lowing steps to complete this procedure 8 Replace the computer access panel 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 11 Lock any security devices that were disengaged when the access panel was removed ENWW 41 ...

Страница 48: ... the Computer Setup F10 Utility Guide and the Desktop Management Guide Installing a Security Lock The security locks displayed below and on the following pages can be used to secure the computer Cable Lock Figure C 1 Installing a Cable Lock 42 Appendix C External Security Devices ENWW ...

Страница 49: ...igure C 2 Installing a Padlock 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 ENWW Installing a Security Lock 43 ...

Страница 50: ...mouse cables through the lock Figure C 4 Threading the Keyboard and Mouse Cables 3 Screw the lock to the chassis using the screw provided Figure C 5 Attaching the Lock to the Chassis 44 Appendix C External Security Devices ENWW ...

Страница 51: ... power to the computer If the alarm sounds unplug the computer and leave it unplugged until the access panel is replaced Port Cover To install the port cover slide the bottom half of the cover onto the chassis 1 then slide the top half of the cover onto the chassis at an angle 2 then rotate the top half down onto the bottom half 3 Ensure that the cables coming out of the rear of the computer are r...

Страница 52: ...46 Appendix C External Security Devices ENWW ...

Страница 53: ...everal methods for grounding Use one or more of the following methods when handling or installing electrostatic sensitive parts Use a wrist strap connected by a ground cord to a grounded workstation or computer chassis Wrist straps are flexible straps with a minimum of 1 megohm 10 percent resistance in the ground cords To provide proper ground wear the strap snug against the skin Use heelstraps to...

Страница 54: ...ck computers on top of each other or place computers so near each other that they are subject to each other s re circulated or preheated air If the computer is to be operated within a separate enclosure intake and exhaust ventilation must be provided on the enclosure and the same operating guidelines listed above will still apply Keep liquids away from the computer and keyboard Never cover the ven...

Страница 55: ...diately 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 media is not exposed to electrical or magnetic impulses while stored or in transit NOTE The hard drive locks automatically when the s...

Страница 56: ...hone connector 2 hood sensor 45 I installation guidelines 7 installing battery 39 diskette drive 29 drive cables 23 expansion card 17 front bezel 12 hard drive 33 media card reader 29 memory 13 optical drive 26 security locks 42 K keyboard components 4 connector 3 L line in connector 3 line out connector 3 locks cable lock 42 HP Business PC Security Lock 43 padlock 43 M media card reader installin...

Страница 57: ...ock 42 hood sensor 45 HP Business PC Security Lock 43 padlock 43 port cover 45 serial number location 6 serial port 3 serviceability features 1 shipping preparation 49 specifications computer 37 memory 13 system board drive connections 24 U unlocking access panel 42 USB ports front panel 2 rear panel 3 V ventilation guidelines 48 VGA monitor connector 3 W Windows Logo key 4 ENWW Index 51 ...

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