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Hardware Reference Guide

Security provisions

Chassis Intrusion Switch 

 (optional)

Status /Mode

Description

Installing CI switch at the back panel

Chassis Intrusion (CI) Switch, is a combination of hardware and software technology that can alert you 
when the computer cover or side panel has been removed. There are various levels of protection, as described in the
following table.  

System switched off and power 
plug completely removed, 
completely OFF mode 

 

Setting the Chassis Intrusion Switch

To set the CI Protection, complete the following
steps:

1. Fix the CI Switch on the Back panel of Chassis

as directed in the diagram.

2. Connect the CI Switch cable to the CI Pins on

the system motherboard.

3. Fix the Side panel/cover on the chassis (refer 

page 2-2)

For maximum security, be sure to establish a setup password.
The setup password prevents unauthorized access to the Computer Setup utility 

System in Running/User Mode

Connecting CI switch to CI pins
on motherboard 

When the computer is restarted, the screen displays a message indicating that
the computer cover or side panel has been removed. Make sure that any system
access was authorized and press F1 to continue  
 

When the computer is restarted, the screen displays a message indicating that
the computer cover or side panel has been removed. Make sure that any system
access was authorized and press F1 to continue  

At the next boot, the screen displays a message indicating that the computer
cover or side panel has been removed. Make sure that any system access was
authorized and press F1 to continue
 
 The user is notified at the next boot with a message indicating that the

computer cover or side panel has been removed. Ensure that any system access
was authorized and press F1 to continue 
 

System in Power Management
Mode 

Power cable plugged in (power
ON) , but System in Shutdown
Mode 
 

!

Summary of Contents for Compaq vc4725

Page 1: ...Document Part Number 460468 D61 October 2007 This book provides basic hardware information for this series of thin clients Hardware Reference Guide HP Compaq vc4725Thin Client ...

Page 2: ...ble 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 written consent of Hewlett Packard Company WARNING Text set off in this manner indicates that failure to follow directions could result in bodily h...

Page 3: ...mouse functions 1 6 Serial number location 1 6 2 Hardware upgrades General hardware installation sequence 2 1 Removing and replacing the chassis cover 2 3 Installing thin client options 2 4 Installing additional DDR2 Memory 2 5 CF card capacity upgrade 2 8 uDOC capacity upgrade 2 9 Internal battery replacement 2 10 A Specifications A 1 B Security provisions Securing the thin client B 1 Chassis int...

Page 4: ...se C 1 Supported mounting options C 5 D Electrostatic discharge Preventing electrostatic damage D 1 Grounding methods D 2 E Thin client operation Routine thin client care E 1 Supported orientations E 2 F Shipping information Shipping preparation F 1 Important service repair information F 2 ...

Page 5: ...dard features The vc4725 includes the following features VIA C7 1 0GHz or more processor speed Two DIMMs slots supports maximum 2GB memory Flash storage options available from 512MB to 4GB Optional internal hard drive 4 USB ports Front audio ports Product features ...

Page 6: ... com Hardware Reference Guide Product features Front panel components Front panel components Power button Flash activity LED Power LED USB ports 2 Audio ports 2 2 Biometric device optional 5 5 3 3 6 6 4 4 1 1 2 2 ...

Page 7: ...panel components Rear panel components Cable lock slot Key board connector Mouse connector Monitor connector Ethernet Rj45 connector Serial port connector Parallel connector Power connector Universal Serial Bus USB connectors 2 8 8 5 7 7 3 6 6 5 4 4 3 1 2 2 1 9 9 ...

Page 8: ... Feature Num Lock key Activates deactivates the Num Lock Feature Ctrl key Use in combination with another key its function depends on the application software you are using Windows Logo Opens the Start menu in Microsoft 1 Key Windows Use in combination with other keys to perform other functions For more information see Windows Logo Key on page1 5 1 2 3 4 5 Keyboard features 1 Available in select g...

Page 9: ...p Delete End and Page Down Hold down Ctrl and Alt while pressing Delete to restart the thin client Windows Logo Key Tab Switch between open items Windows Logo Key e Open My Computer Windows Logo Key f Search for a file or folder Windows Logo Key Ctrl f Search for computers Windows Logo Key m Minimize all windows Windows Logo Key Shift m Undo minimize all Windows Logo Key Break Display the System P...

Page 10: ... through minimized applications Alt Tab Cycles through open applications Alt Shift Tab Switches to the previous session Most software applications support the use of a mouse The functions assigned to each mouse button depend on the software applications you are using Every thin client has a unique serial number that is located as shown in the following illustration Have this number available when ...

Page 11: ...trical shock and or hot surfaces be sure to disconnect the power cord from the wall outlet and allow the internal system components to cool before touching WARNING To reduce the risk of electrical shock fire or damage to the equipment do not plug telecommunications or telephone connectors into the network interface controller NIC receptacles CAUTION Static electricity can damage the electronic com...

Page 12: ...e equipment For removal and replacement procedures see the following sections DDR2 DIMM upgrade on page 2 5 CF Compact Flash card storage capacity upgrade 2 8 uDOC storage upgrade on page 2 9 Internal battery on page 2 10 6 Refix the chassis cover 7 Reconnect any external devices and power cords 8 Turn on the monitor the thin client and any devices you want to test 9 Load any necessary drivers 10 ...

Page 13: ... the following procedures WARNING Before removing the chassis cover ensure that the thin client is turned off and the power cord is disconnected from the electrical outlet 1 Remove the two screws that secure the cover to the chassis 2 Slide the cover about 1 2 inch toward the back of the unit then lift the cover off the chassis 1 2 To replace the chassis cover reverse the previous procedure 1 2 V ...

Page 14: ...g or replacing hardware Please refer to the below table for various storage options that are supported or Not supported for vc4725 thinclient vc4725 DDR2 DIMMs CF card storage uDOC storage and security hardware For more information about security hardware see Appendix B Security provisions General hardware installation sequence on page 2 1 Option CF Card U DOC Hard Drive Result 1 Supported Support...

Page 15: ...u install unsupported DIMMs CAUTION The memory module sockets have gold metal contacts When upgrading the memory it is important to use memory modules with gold metal contacts to prevent corrosion and or oxidation resulting from having incompatible metals in contact with each other CAUTION Static electricity can damage the electronic components of the computer or optional cards Before beginning th...

Page 16: ... the 3 Open both latches of the memory module socket and insert the Memory module into the socket A memory module can be installed in only one way Match the notch on the module with the tab on the memory socket 4 Push the module down into the socket ensuring that the module is fully inserted and properly seated Make sure the latches are in the closed position General hardware installation sequence...

Page 17: ...matically recognize the additional memory the next time you turn on the computer 5 Complete steps 6 through 10 of the General hardware installation sequence on page 2 2 2 7 www hp com Hardware Reference Guide Hardware upgrades ...

Page 18: ...pgrade 1 Complete steps 1 through 4 of the Complete steps 6 through 10 of the Compact Flash card General hardware installation sequence on page 2 1 General hardware installation sequence on page 2 2 2 Remove the existing CF card from the bracket 3 Insert the new CF card into the bracket 4 5 Install the thin client software 2 8 www hp com Hardware Reference Guide Hardware upgrades ...

Page 19: ...mpressing the plastic snap button and simultaneously lifting the uDOC board 2 Insert the new uDOC into the USB connector and push uDOC board aligning the plastic snap button with the uDOC hole 3 Complete steps 6 through 10 of the General hardware installation sequence on page 2 2 4 Install the thin client software 4 General hardware installation sequence on page 2 1 2 9 www hp com Hardware Referen...

Page 20: ...n remove the battery 4 Depending on the type of battery holder on the system board complete the following instructions to replace the battery 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 b To insert the new battery slide one edge of the replacement battery under the holder with the positive side up ...

Page 21: ...e of change is 10 per hour or 18 F per hour Nonoperating 22 to 140 F 30 to 60 C max rate of change is 20 C per hour or 36 F per hour Specifications are at sea level with altitude derating of 1 C 300m 1 8 F 1000ft to a maximum of 3Km 10 000ft with no direct sustained sunlight Upper limit may be limited by the type and number of options installed The operating temperature range when the thin client ...

Page 22: ...mperature is 38 7 C or 101 6 F Maximum Altitude unpressurized Operating 10 000 ft 3048 m max allowed rate of change is 457m per minute or 1500 ft per minute Nonoperating max allowed rate of change is 457m per minute or 1500 ft per minute Power Supply Operating Voltage Range 100 240 VAC 100 240 VAC Rated Line Frequency 50 60 Hz 50 60 Hz Output 19V DC 19V DC Rated Output Current maximum 3 42 A 3 42 ...

Page 23: ...ovisions Securing the thin client optional Securing the thin client The HP Compaq thin client is designed to accept a security cable lock 1 Locate the cable lock slot on the back panel 2 Insert the cable lock and use the key to lock it vc4725 1 1 2 2 3 3 ...

Page 24: ...he setup password prevents unauthorized access to the Computer Setup utility System in Running User Mode Connecting CI switch to CI pins on motherboard When the computer is restarted the screen displays a message indicating that the computer cover or side panel has been removed Make sure that any system access was authorized and press F1 to continue When the computer is restarted the screen displa...

Page 25: ...de of the unit These mounting points follow the VESA Video Electronics Standards Association standard which provides industry standard mounting interfaces for Flat Displays FDs such as flat panel monitors flat displays and flat TVs The HP Quick Release connects to the VESA standard mounting points allowing you to mount the thin client in a variety of orientations vc4725 ...

Page 26: ...ecting the HP Quick Release to the thin client To use the HP Quick Release with a VESA configured thin client 1 Using four screws included in the mounting device kit attach one side of the HP Quick Release to the thin client as shown in the following illustration V V V V ...

Page 27: ...lient Connecting the HP Quick Release to another device 2 Using four screws included in the mounting device kit attach the other side of the HP Quick Release to the device to which you will mount the thin client Make sure the release lever points Upward V V V V ...

Page 28: ...o mount the thin client An audible click Indicates a secure connection When attached the HP Quick Release automatically locks in position You only need to slide the lever to one side to remove the thin client CAUTION To ensure proper function of the HP Quick Release and a secure connection of all components make sure both the release lever on one side of the mounting device and the rounded opening...

Page 29: ... the thin client on a wall Thin client mounted on wall Mounting the thin client Supported mounting options The following illustrations demonstrate some of the supported and not supported mounting options for the mounting bracket Y ou can mount the thin client on the back of a flat panel monitor stand ...

Page 30: ...ectancy of the device To prevent electrostatic damage observe the following precautions Avoid hand contact by transporting and storing products in static safe containers Keep electrostatic sensitive parts in their containers until they arrive at static free workstations Place parts on a grounded surface before removing them from their containers Avoid touching pins leads or circuitry Always be pro...

Page 31: ... the ground cords To provide proper grounding wear the strap snug against the skin Use heelstraps toestraps or bootstraps at standing workstations Wear the straps on both feet when standing on conductive floors or dissipating floor mats Use conductive field service tools Use a portable field service kit with a folding static dissipating work mat If you do not have any of the suggested equipment fo...

Page 32: ...cking the vents or air intake Keep the thin client away from excessive moisture direct sunlight and extreme heat and cold For information about the recommended temperature and humidity ranges for the thin Client see Keep liquids away from the thin client and keyboard Turn off the thin client before you do either of the following Wipe the exterior of the thin client with a soft damp cloth as needed...

Page 33: ...t operation Supported orientations HP supports the following orientations for the thin client Vertical orientation CAUTION You must adhere to HP supported orientations to ensure your thin clients function properly You can stand thin clients vertically ...

Page 34: ... com E 3 Thin client operation Y ou can lay thin clients horizontally facing vent hole upwards Horizontal orientation Under monitor stand You can lay thin clients under a monitor stand with a minimum two inch clearance above the unit ...

Page 35: ...rientations for the thin client Do not put a monitor on top of the thin client CAUTION Thin clients require proper ventilation to maintain operating temperature CAUTION Non supported placement of thin clients could result in operation failure and or damage to the devices Do not put a monitor directly on top of a thin client ...

Page 36: ...hin clients in drawers or other sealed enclosures Do not horizontally stack thin clients Thin clients require proper ventilation to maintain operating temperatures Do not stack thin clients Do not horizontally stack thin clients Thin clients require proper ventilation to maintain operating temperatur ...

Page 37: ...of the thin client Do not position the thin client vertically without using the stand Do not place materials on thin clients that block the vents Thin clients require proper ventilation to maintain operating temperatures Do not position the thin client vertically without using the stand ...

Page 38: ...the thin client 3 Disconnect the system components and external devices from their power sources then from the thin client 4 If you have upgraded the DDR2 DIMM remove it and replace the original DDR2 DIMM that came with the unit 5 Pack the system components and external devices in their original packing boxes or similar packaging with sufficient packing Material to protect them For environmental n...

Page 39: ...n repair by returning the same unit to the customer HP makes every effort to return the repaired unit with the same internal memory and flash modules that were sent In countries that do not support customer mail in repair by returning the same unit to the customer all internal options should be removed and safeguarded in addition to the external options The thin client should be restored to the or...

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