HP DESKJET 960C User Manual
Hardware Reference Guide
HP Compaq vc4725 Thin Client
Document Part Number: 460468-D61
October 2007
This book provides basic hardware information for this series of thin
clients.
© Copyright 2007 Hewlett-Packard Development Company, L.P.
The information contained herein is subject to change without notice.
Microsoft, MS-DOS, Windows, and Windows Vista are trademarks of Microsoft
Corporation in the U.S. and other countries.
The only warranties for HP products and services are set forth in the Limited
warranty statements 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 written consent of Hewlett-Packard
Company.
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 could result in damage to equipment or loss of information.
Hardware Reference Guide
HP Compaq vc4725 Thin Client
First Edition (October 2007)
Document Part Number: 460468-D61
Contents
Contents
1 Product features
Standard features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–1
Front panel components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 1–2
Rear panel components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–3
Using the keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–4
Windows Logo Key . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1–5
Additional function keys. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1–6
Special 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 intrusion switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B–2
Hardware Reference Guide www.hp.com iii
Contents
C Mounting the thin client
HP Quick Release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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
iv www.hp.com Hardware Reference Guide
Product features
Standard 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
+
1
Product features
Front audio ports
+
Hardware Reference Guide www.hp.com 1-1
Product features
Front panel components
1
2
2
3
4
5
6
Front panel components
1
Biometric device (optional)
2
2
Power LED
3
USB ports (2)
1-2 www.hp.com Hardware Reference Guide
4
Power button
5
Flash activity LED
6
Audio ports
Rear panel components
Product features
1
2
3
4
5
Rear panel components
1
Key board connector
6
Mouse connector
6
7
8
9
Monitor connector
2
3
4
Universal Serial Bus (USB)
7
Parallel connector
8
Ethernet Rj45 connectorSerial port connector
9
Cable lock slot
connectors (2)
Power connector
5
Hardware Reference Guide www.hp.com 1-3
Using the keyboard
Keyboard features
Enhanced keyboard components
1
Caps Lock key Activates/deactivates the Caps Lock
Product features
Feature.
2
Scroll Lock key Activates/deactivates the Scroll Lock
Feature.
Num Lock key Activates/deactivates the Num Lock
3
Feature.
4
Ctrl key Use in combination with another key; its
function depends on the application
software you are using.
5
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
Available in select geographic regions.
Hardware Reference Guide www.hp.com 1-4
Product features
Enhanced keyboard components (Continued)
6
Alt key Use in combination with another key; its
function depends on the application
software you are using.
7
Application key Opens (like the right mouse button)
Editing keys Includes the following: Insert, Home,
8
1
Available in select geographic regions.
Windows Logo Key
Use the Windows Logo Key in combination with other keys to
perform certain functions available in Windows operating systems.
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.
1
pop-up menus in a Microsoft Office
application. May perform other functions
in other software applications.
Page Up, Delete, End, and Page Down.
Hold down Ctrl and Alt while pressing
Delete to restart the thin client.
Windows Logo Key + m Minimize all windows.
Windows Logo Key + Shift + m Undo minimize all.
Windows Logo Key + Break Display the System Properties
dialog box.
Windows Logo Key + r Open the Run dialog box.
1-5 www.hp.com Hardware Reference Guide
Additional function keys
The following key combinations also work on the HP Compaq
vc4725 thin client:
Alt + Esc Cycles through minimized applications.
Alt + Tab Cycles through open applications.
Alt + Shift + Tab Switches to the previous session.
Special mouse functions
Most software applications support the use of a mouse. The functions
assigned to each mouse button depend on the software applications
you are using.
Serial number location
Every thin client has a unique serial number that is located as shown
in the following illustration. Have this number available when
contacting HP customer service for assistance.
Product features
Serial number location
Hardware Reference Guide www.hp.com 1-6
Hardware upgrades
Hardware upgrades
General hardware installation sequence
To ensure the proper installation of any thin client hardware option:
1. Back up any data, if necessary.
2. If the thin client is powered on:
a. Shut the unit down.
b. Turn the unit and any other attached devices off.
c. Disconnect the power cord from the wall outlet.
d. Disconnect any external devices or cables.
2
WARNING: To reduce the risk of personal injury from electrical 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 components of
the thin client or optional equipment. Before beginning these procedures,
ensure that you are discharged of static electricity by briefly touching a
grounded metal object. See for
more information.
Hardware Reference Guide www.hp.com 2-1
Appendix D, “Electrostatic discharge”
Hardware upgrades
3. Remove the chassis cover. For more information, see “Removing
and replacing the chassis cover” on page 2-3.
4. If necessary, remove any hardware that you will replace.
5. Install or replace 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. Reconfigure the thin client, if necessary.
2-2 www.hp.com Hardware Reference Guide
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