HP EliteDesk 705 G4 Hardware Reference Manual Download Page 18

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System board connections

Refer to the following illustration and table to identify the system board connectors for your model.

Item System board connector

System board label

Color

Component

PCI Express x1

X1PCIEXP3

black

Expansion card

PCI Express x1

X1PCIEXP2

black

Expansion card

PCI Express x1

X1PCIEXP1

black

Expansion card

PCI Express x16

X16PCIEXP

black

Expansion card

SATA 3.0

SATA0

dark blue

Primary hard drive

SATA 3.0

SATA1

light blue

Any SATA device other than the primary

hard drive

DIMM4 (Channel A)

DIMM4

white

Memory module

DIMM3 (Channel B)

DIMM3

black

Memory module

DIMM2 (Channel A)

DIMM2

white

Memory module

DIMM1 (Channel B)

DIMM1

black

Memory module

SATA 3.0

SATA2

light blue

Any SATA device other than the primary

hard drive

SATA 3.0

SATA3

light blue

Any SATA device other than the primary

hard drive

Battery

BAT

black

Battery

M.2 WLAN 2230

WIRELESS

black

M.2 WLAN card

M.2 SSD card

SSD1

black

M.2 SSD storage card

Chapter 2 Hardware upgrades

Summary of Contents for EliteDesk 705 G4

Page 1: ...Hardware Reference Guide HP EliteDesk 705 G4 MT Workstation PC ...

Page 2: ...at are common to most models Some features may not be available on your product To access the latest user guide go to http www hp com support and follow the instructions to find your product Then select User Guides Software terms By installing copying downloading or otherwise using any software product preinstalled on this computer you agree to be bound by the terms of the HP End User License Agre...

Page 3: ...IMPORTANT Indicates information considered important but not hazard related for example messages related to property damage A notice alerts the user that failure to follow a procedure exactly as described could result in loss of data or in damage to hardware or software Also contains essential information to explain a concept or to complete a task NOTE Contains additional information to emphasize ...

Page 4: ...iv About This Guide ...

Page 5: ...ystem board connections 12 Upgrading system memory 13 Installing a memory module 13 Removing or installing an expansion card 17 Drive positions 21 Removing and Installing drives 22 Removing a 5 25 inch drive 23 Installing a 5 25 inch drive 24 Removing a 9 5 mm slim optical drive 27 Installing a 9 5 mm slim optical drive 28 Removing a 3 5 inch hard drive 30 Installing a 3 5 inch hard drive 32 Remov...

Page 6: ...ds 54 Appendix C Computer operating guidelines routine care and shipping preparation 55 Computer operating guidelines and routine care 55 Optical drive precautions 56 Operation 56 Cleaning 56 Safety 56 Shipping preparation 56 Appendix D Accessibility 57 Supported assistive technologies 57 Contacting support 57 Index 58 vi ...

Page 7: ...guration features Features may vary depending on the model For support assistance and to learn more about the hardware and software installed on your computer model run the HP Support Assistant utility Standard configuration features 1 ...

Page 8: ...onal NOTE The audio out headphone audio in microphone combo jack supports headphones line output devices microphones line input devices or CTIA style headsets NOTE The USB port with HP Sleep and Charge provides current to charge a device such as a smart phone The charging current is available whenever the power cord is connected to the system even when the system is off NOTE The light on the power...

Page 9: ... Power cord connector 5 USB SuperSpeed ports 2 NOTE When a graphics card is installed in one of the system board slots the video connectors on the graphics card and or the integrated graphics on the system board may be used The specific graphics card installed and software configuration will determine the behavior The system board graphics can be disabled by changing settings in BIOS F10 Setup Rea...

Page 10: ...ach computer has a unique serial number and a product ID number that are located on the exterior of the computer Keep these numbers available for use when contacting customer service for assistance 4 Chapter 1 Product features ...

Page 11: ...at all times To reduce the risk of serious injury read the Safety Comfort Guide It describes proper workstation setup and proper posture health and work habits for computer users The Safety Comfort Guide also provides important electrical and mechanical safety information The Safety Comfort Guide is available on the Web at http www hp com ergo WARNING Energized and moving parts inside Disconnect p...

Page 12: ...ernal devices 4 Disconnect the power cord from the AC outlet and disconnect any external devices IMPORTANT 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 To prevent damage to internal components you must disconnect the power cord from the power source before opening the computer 5 Slide the access panel relea...

Page 13: ...e access panel release lever is locked into place and then place the access panel on the computer 1 and slide the panel forward 2 The release lever will automatically move back to the right and lock the access panel Replacing the computer access panel 7 ...

Page 14: ...he power cord from the AC outlet and disconnect any external devices IMPORTANT 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 To prevent damage to internal components you must disconnect the power cord from the power source before opening the computer 5 Remove the computer access panel 6 Lift up the three tab...

Page 15: ... 2 To remove a 5 25 inch optical drive bezel blank press inward on the two tabs on the right side of the blank 1 and then rotate the blank off the front bezel 2 To remove a slim optical drive bezel blank press inward on the tab on the right side of the blank 1 and then rotate the blank away from the front bezel 2 and slide the left side of the blank out of the slot on the front bezel 3 Removing be...

Page 16: ...ot impede air flow through the computer NOTE The optional front bezel dust filter is available from HP To remove clean and replace the dust filter 1 Turn off the computer properly through the operating system and turn off any external devices 2 Disconnect the power cord from the AC outlet and disconnect any external devices IMPORTANT Regardless of the power on state voltage is always present on th...

Page 17: ...or cloth to clean dust from the filter If heavily soiled rinse the filter clean with water 5 To replace the dust filter press the filter firmly onto the front bezel at the tab locations shown below 6 Reconnect the power cord and any external devices and then turn on the computer Removing and installing the optional front bezel dust filter 11 ...

Page 18: ...A0 dark blue Primary hard drive 6 SATA 3 0 SATA1 light blue Any SATA device other than the primary hard drive 7 DIMM4 Channel A DIMM4 white Memory module 8 DIMM3 Channel B DIMM3 black Memory module 9 DIMM2 Channel A DIMM2 white Memory module 10 DIMM1 Channel B DIMM1 black Memory module 11 SATA 3 0 SATA2 light blue Any SATA device other than the primary hard drive 12 SATA 3 0 SATA3 light blue Any S...

Page 19: ...l A The system will automatically operate in single channel mode dual channel mode or flex mode depending on how the DIMMs are installed NOTE Single channel and unbalanced dual channel memory configurations will result in inferior graphics performance 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 ...

Page 20: ...re discharged of static electricity by briefly touching a grounded metal object For more information refer to Electrostatic discharge on page 54 When handling a memory module be careful not to touch any of the contacts Doing so may damage the module 1 Remove disengage any security devices that prohibit opening the computer 2 Remove all removable media such as compact discs or USB flash drives from...

Page 21: ...7 Lift the rear of the drive cage up 1 and then slide the drive cage back 2 Then lift the drive cage 3 out of the chassis Upgrading system memory 15 ...

Page 22: ... on the module with the tab on the memory socket Populate the black DIMM sockets before the white DIMM sockets For maximum performance populate the sockets so that the memory capacity is spread as equally as possible between Channel A and Channel B 9 Repeat step 8 to install any additional modules 10 Align the pegs on the sides of the drive cage with the slots on the chassis and press the drive ca...

Page 23: ...cket 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 compact discs or USB flash drives from the computer 3 Turn off the computer properly through the operating system and turn off any external devices 4 Disconnect the power cord from the AC outlet and disconnect any external devices IMPORTANT...

Page 24: ... socket you must slide one of the expansion slot covers up and out of the chassis or use a flat bladed screwdriver to pry out one of the metal shields on the rear panel that covers the expansion slot Be sure to remove the appropriate shield for the expansion card you are installing b If you are removing a PCI Express x1 card hold the card at each end and carefully rock it back and forth until the ...

Page 25: ... the inside of the chassis 3 to remove it Be sure not to scrape the card against other components 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 IMPORTANT After removing an expansion card you must replace it with a new card or expansion slot cover for proper cooling of internal components du...

Page 26: ...ly on the card so that the whole connector seats properly in the expansion card socket 12 Rotate the slot cover retention latch back in place to secure the expansion card 13 Connect external cables to the installed card if needed Connect internal cables to the system board if needed 14 Replace the computer access panel 15 Reconnect the power cord and any external devices and then turn on the compu...

Page 27: ...drive bay 2 2 5 inch hard drive bay 3 9 5 mm slim optical drive bay 4 5 25 inch half height drive bay 5 2 5 inch hard drive bay NOTE The drive configuration on your computer may be different than the drive configuration shown above Drive positions 21 ...

Page 28: ...If you are inserting or removing a drive shut down the operating system properly turn off the computer and unplug the power cord Do not remove a drive while the computer is on or in standby mode Before handling a drive be sure that you are discharged of static electricity While handling a drive avoid touching the connector For more information about preventing electrostatic damage refer to Electro...

Page 29: ... cord from the AC outlet and disconnect any external devices IMPORTANT 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 To prevent damage to internal components you must disconnect the power cord from the power source before opening the computer 5 Remove the computer access panel and front bezel 6 Disconnect th...

Page 30: ...s 4 Disconnect the power cord from the AC outlet and disconnect any external devices IMPORTANT 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 To prevent damage to internal components you must disconnect the power cord from the power source before opening the computer 5 Remove the computer access panel 6 Remov...

Page 31: ...e old drive to the new drive IMPORTANT Use only 5 mm long screws as mounting screws Longer screws can damage the internal components of the drive 8 If you are installing a 5 25 inch drive in a vacant drive bay you may need to remove the metal shield covering the front of the bay Insert a flat bladed screwdriver into the slots on the front of the shield 1 and rock the shield back and forth 2 to bre...

Page 32: ...end of the data cable to one of the light blue SATA connectors on the system board NOTE Refer to System board connections on page 12 for an illustration of the system board drive connectors 12 Replace the front bezel and computer access panel 13 Reconnect the power cord and any external devices and then turn on the computer 14 Lock any security devices that were disengaged when the access panel wa...

Page 33: ...ny external devices IMPORTANT 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 To prevent damage to internal components you must disconnect the power cord from the power source before opening the computer 5 Remove the computer access panel 6 Disconnect the power cable 1 and data cable 2 from the rear of the opt...

Page 34: ... and disconnect any external devices IMPORTANT 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 To prevent damage to internal components you must disconnect the power cord from the power source before opening the computer 5 Remove the computer access panel 6 If you are installing a slim optical drive in a bay c...

Page 35: ... small hole on the side of the drive and press the latch firmly onto the drive 9 Slide the optical drive through the front of the chassis 1 all the way into the bay so that the green latch locks onto the chassis frame 2 Removing and Installing drives 29 ...

Page 36: ... hard drive so that you can transfer the data to the new hard drive 1 Remove disengage any security devices that prohibit opening the computer 2 Remove all removable media such as compact discs or USB flash drives from the computer 3 Turn off the computer properly through the operating system and turn off any external devices 4 Disconnect the power cord from the AC outlet and disconnect any extern...

Page 37: ... of the hard drive 7 Pull the release lever next to the rear of the hard drive outward 1 While pulling the release lever out lift the rear of the drive up 2 and then slide the front of the drive back and lift it out of the bay 3 Removing and Installing drives 31 ...

Page 38: ...utlet To prevent damage to internal components you must disconnect the power cord from the power source before opening the computer 5 Remove the computer access panel 6 Install mounting screws on the sides of the hard drive using standard 6 32 silver and blue mounting screws NOTE 6 32 mounting screws can be purchased from HP If you are replacing a drive transfer the mounting screws from the old dr...

Page 39: ... Secure the drive to the bay adapter bracket by installing four black M3 adapter bracket screws through the underside of the bracket and into the drive Removing and Installing drives 33 ...

Page 40: ... side of the bracket 7 Align the mounting screws on the front of the hard drive with the slots on the drive cage and press the front of the drive down and forward into the bay 1 Then press the rear of the drive down into the drive bay 2 to lock it in place 34 Chapter 2 Hardware upgrades ...

Page 41: ... 12 Lock any security devices that were disengaged when the access panel was removed Removing a 2 5 inch hard drive 1 Remove disengage any security devices that prohibit opening the computer 2 Remove all removable media such as compact discs or USB flash drives from the computer 3 Turn off the computer properly through the operating system and turn off any external devices 4 Disconnect the power c...

Page 42: ...he rear of the hard drive 7 Pull the release lever at the rear of the drive outward 1 and lift the rear of the drive up 2 Then slide the front of the drive back until it stops and pull the drive up and out of the drive bay 3 36 Chapter 2 Hardware upgrades ...

Page 43: ...ces IMPORTANT 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 To prevent damage to internal components you must disconnect the power cord from the power source before opening the computer 5 Remove the computer access panel 6 Install four black and blue M3 mounting screws two on each side of the drive NOTE M3 m...

Page 44: ...e hard drive NOTE If the 2 5 inch hard drive is the primary drive connect the other end of the data cable to the dark blue SATA connector on the system board labeled SATA0 If it is a secondary hard drive connect the other end of the data cable to one of the light blue SATA connectors on the system board 9 Replace the computer access panel 10 Reconnect the power cord and any external devices and th...

Page 45: ...ect the power cord from the AC outlet and disconnect any external devices IMPORTANT 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 To prevent damage to internal components you must disconnect the power cord from the power source before opening the computer 5 Remove the computer access panel 6 Disconnect the p...

Page 46: ...en slide the card out of the system board connector 3 9 To install an M 2 SSD card slide the pins on the card into the system board connector while holding the card at approximately a 30 angle 1 Press the other end of the card down 2 and then secure the card with the screw 3 40 Chapter 2 Hardware upgrades ...

Page 47: ... forward 2 so that it locks in place 11 Connect the power and data cables to the rear of the drives in the drive cage 12 Replace the computer access panel 13 Reconnect the power cord and any external devices and then turn on the computer 14 Lock any security devices that were disengaged when the access panel was removed Removing and Installing drives 41 ...

Page 48: ... and on the following pages can be used to secure the computer Security cable lock 1 Loop the security cable around a stationary object 2 Insert the security cable lock into the security cable slot Then lock it in place with the key 42 Chapter 2 Hardware upgrades ...

Page 49: ...urity Lock V2 1 Attach the security cable fastener to a desktop using the appropriate screws for your environment screws not provided 1 and then snap the cover onto the base of the cable fastener 2 Installing a security lock 43 ...

Page 50: ...2 Loop the security cable around a stationary object 3 Slide the security cable through the security cable fastener 44 Chapter 2 Hardware upgrades ...

Page 51: ...ble slot on the rear of the monitor 1 close the scissor hands together to secure the lock in place 2 and then slide the security cable guide through the center of the monitor lock 3 5 Slide the security cable through the security cable guide installed on the monitor Installing a security lock 45 ...

Page 52: ...top using the appropriate screw for your environment screw not provided 1 and then place the accessory cables into the base of the fastener 2 7 Slide the security cable through the holes in the accessory cable fastener 46 Chapter 2 Hardware upgrades ...

Page 53: ... to the chassis using the screw provided 9 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 Installing a security lock 47 ...

Page 54: ...B flash drives from the computer 3 Turn off the computer properly through the operating system and turn off any external devices 4 Disconnect the power cord from the AC outlet and disconnect any external devices IMPORTANT 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 To prevent damage to internal components ...

Page 55: ...hrough the front of the chassis and into the screw hole located below the center bezel release tab 9 Replace the computer access panel 10 Reconnect the power cord and any external devices and then turn on the computer 11 Lock any security devices that were disengaged when the access panel was removed Installing a security lock 49 ...

Page 56: ...tended by plugging the computer into a live AC outlet 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 http www hp com recycle 1 Remove disengage any security devices that prohibit opening the computer...

Page 57: ...sitive side up The battery holder automatically 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 1 When the battery pops up lift it out 2 51 ...

Page 58: ...y 2 Type 3 a Pull back the clip 1 that is holding the battery in place and remove the battery 2 b Insert the new battery and position the clip back into place NOTE After the battery has been replaced use the following steps to complete this procedure 8 Replace the computer access panel 9 Reconnect the power cord and any external devices and then turn on the computer 52 Appendix A Battery replaceme...

Page 59: ...10 Reset the date and time your passwords and any special system setups using Computer Setup 11 Lock any security devices that were disengaged when the computer access panel was removed 53 ...

Page 60: ...several 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 t...

Page 61: ... 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 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 ...

Page 62: ...he 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 1 Back up the hard drive files to an external storage device Be sure that the backup media is not exposed to electrical or magnetic impulses while stored or in transit...

Page 63: ... contact customer support for that product Contacting support We are constantly refining the accessibility of our products and services and welcome feedback from users If you have an issue with a product or would like to tell us about accessibility features that have helped you please contact us at 888 259 5707 Monday through Friday 6 a m to 9 p m Mountain Time If you are deaf or hard of hearing a...

Page 64: ... 7 drive cables 22 dust filter 10 expansion card 17 M 2 SSD card 39 memory 13 optical drive 24 28 L locks front bezel 48 HP Business PC Security Lock 43 padlock 43 security cable lock 42 M M 2 SSD card installation 39 removal 39 memory installation 13 socket population 13 O optical drive cleaning 56 installation 24 28 precautions 56 removal 23 27 P product ID location 4 R rear panel components 3 r...

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