HP Vectra XA6 User Manual

HP Vectra XA
6/xxx
User’s Guide
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Notice
The information contained in this document is subject to change without notice.
Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.
Hewlett-Packard assumes no responsibility for the use or reliability of its software on equipment that is not furnished by Hewlett-Packard.
This document contains proprietary information that is protected by copyright. All rights are reserved. No part of this document may be photocopied, reproduced, or translated to another language without the prior written consent of Hewlett-Packard Company.
Centronics
® is a registered trademark of Centronics Data Computer
Corporation. Microsoft
® and MS-DOS® are registered trademarks of Microsoft
Corporation. Microsoft Windows
®, and Windows® 95 are products of
Microsoft Corporation. OS/2 is a registered trademark of International Business Machines corporation. Novell
® and NetWare® are U.S. registered trademarks of Novell, Inc.
PENTIUM
TM
is a trademark of Intel Corporation.
UNIX
® is a registered trademark of UNIX System Laboratories Inc. in
the U.S.A. and other countries. Hewlett-Packard France
Grenoble Personal Computer Division Technical Marketing 38053 Grenoble Cedex 9 France
© 1996 Hewlett-Packard Company
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User’s Guide
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iv Francais
Important Safety Information
If you have any doubt that you can lift the PC or display safely, do not try to move it without help.
For your safety, always connect the equipment to a grounded wall outlet. Always use a power cord with a properly grounded plug, such as the one provided with this equipment, or one in compliance with your national regulations. This PC is disconnected from the power by removing the power cord from the power outlet. This means the PC must be located close to a power outlet that is easily accessible.
For your safety, never remove the PC’s cover without first removing the power cord from the power outlet, and any connection to a telecommunications network. Always replace the cover on the PC before switching it on again.
Important Ergonomic Information
It is strongly recommended that you read the ergonomic information before using your PC. This information is contained on the CD-ROM that comes with your PC.
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Contents
English v
1 Setting Up and Using Your PC
Unpacking Your PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Connecting the Mouse, Keyboard, Display and Printer . . . . . . . . . . . 3
Connecting to a Network . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Connecting Audio Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Connecting the Power Cords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Your PC’s Hardware Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Starting and Stopping Your PC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Starting Your PC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Stopping Your PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Setting Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Setting an Administrator Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Setting a User Password . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Using Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Additional Information and Help. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2 How to Install Accessories In Your PC
Accessories You Can Install . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Removing and Replacing the Cover . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Removing the Cover. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
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vi English
Replacing the Cover after Installing Accessories . . . . . . . . . . . . . . . . . . 15
Moving and Replacing the Power Supply . . . . . . . . . . . . . . . . . . . . . 16
Installing Memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Main Memory Modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Upgrading the MGA Millennium Board Memory . . . . . . . . . . . . . . . . . . . 18
Installing Mass Storage Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Connecting IDE Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Configuring an IDE Device After Installation . . . . . . . . . . . . . . . . . . . . . 22
Installing an IDE Hard Disk Drive in the Rear Shelf . . . . . . . . . . . . . . . . 22
Installing an IDE Hard Disk Drive in the Bottom Shelf. . . . . . . . . . . . . . 23
Installing a Tape Drive in the Bottom Shelf. . . . . . . . . . . . . . . . . . . . . . . 25
Installing Accessory Boards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Configuring Accessory Boards with Plug and Play . . . . . . . . . . . . . . . . . 27
Installing the Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
Installing a BNC Coax Adapter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Installing an OverDrive Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Installing the Security Bracket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
3 Troubleshooting Your PC
Solving Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
HP Summary Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
If Your PC Does Not Start Properly . . . . . . . . . . . . . . . . . . . . . . . . . . 37
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English vii
Display is Blank and There Are No Error Messages . . . . . . . . . . . . . . . . 37
If you are Unable to Change any Values in Setup. . . . . . . . . . . . . . . . . . . 38
If a POST Error Message is Displayed . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
If You Cannot Turn Off Your PC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
If Your PC Has a Hardware Problem. . . . . . . . . . . . . . . . . . . . . . . . . . 41
Display Does Not Work Properly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
If Your Keyboard Does Not Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
If Your Mouse Does Not Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
If Your Printer Does Not Work. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
If the Flexible Disk Drive Does Not Work. . . . . . . . . . . . . . . . . . . . . . . . . 44
If the Hard Disk Does Not Work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
If the CD-ROM Drive Has a Problem. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
If an Accessory Board Does Not Work . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
If Your PC Has a Software Problem . . . . . . . . . . . . . . . . . . . . . . . . . . 47
If You Have Forgotten Your Password . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
If Your Application Software Does Not Work . . . . . . . . . . . . . . . . . . . . . . 48
If the Date and Time are Incorrect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
If Your PC Has an Audio Problem . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Changing the Battery. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Technical Information Needed for Troubleshooting. . . . . . . . . . . . . 52
System Board Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Power Consumption. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
IRQs, DMAs, and I/O Addresses Used by Your PC . . . . . . . . . . . . . . . . . . 54
The HP Summary Screen and Setup Program . . . . . . . . . . . . . . . . . . 55
HP Summary Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
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viii English
Using the HP Setup Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
4 Hewlett Packard Support and Information Services
Your HP Authorized Reseller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
HP SupportPack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
HP Support Assistant CD-ROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Hewlett-Packard Information Services . . . . . . . . . . . . . . . . . . . . . . . 61
HP Forum on CompuServe. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
HP Forum on America Online. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
HP BBS Library . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Internet—FTP Library Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Access HP World Wide Web Site. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
HP FAXback on Demand—HP FIRST . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
HP Audio Tips (USA only) HP Automated Support Directory. . . . . . . . 64
Ordering Drivers and BIOS on Diskette. . . . . . . . . . . . . . . . . . . . . . . . . . 65
HP Support Services . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Hewlett-Packard Telephone Support. . . . . . . . . . . . . . . . . . . . . . . . . 67
Lifeline Telephone Support (U.S. Only). . . . . . . . . . . . . . . . . . . . . . . 67
HP Network Phone-in Support Service (NPS) . . . . . . . . . . . . . . . . . 68
Hewlett-Packard Marketing Headquarters . . . . . . . . . . . . . . . . . . . . 68
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .69
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English ix
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
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x English
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1
Setting Up and Using Your PC
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1 Setting Up and Using Your PC
Unpacking Your PC
2 English
Unpacking Your PC
1 When you receive your PC, unpack all the components.
WARNING If you have any doubt that you can lift the PC or display safely, do not
try to move it without help.
2 Place the PC on a sturdy desk near to easily accessible power outlets,
with enough space for the keyboard, mouse, and any other accessories.
3 Position the PC so that its rear connectors are easily accessible. 4 Place the display on top of the computer. If you have a large display,
place it next to the computer. Refer to the display’s manual for information about the display.
Operating System Your PC’s operating system is packed separately inside the box that
contains your PC.
Installation Tools No tools are required to set up your PC. However, if you plan to install a
disk drive or an accessory board in your PC, you will need a flat-blade screwdriver. For further information about installing accessories, "How to Install Accessories In Your PC", on page 13.
Manuals
Mouse
Computer Power Cord
Display Power Cord
Typical Display
Computer
Keyboard
Two HP CD-ROMs: Drivers Documentation
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English 3
1 Setting Up and Using Your PC
Connecting the Mouse, Keyboard, Display and Printer
Connecting the Mouse, Keyboard, Display and Printer
Connect the mouse, keyboard, and display to the back of the computer. The connectors are shaped to go in one way only. Tighten the display cable attachment screws.
Connect the printer cable to the back of the computer and tighten the attachment screws. Use the connector labeled:
Parallel (25-pin parallel connector) for a parallel device
Serial A (9-pin serial connector) for a serial device
Serial B (9-pin serial connector) for a second serial device.
Mouse
Keyboard
MGA Millennium video display connector
Parallel Connector
Serial Connector
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1 Setting Up and Using Your PC
Connecting to a Network
4 English
Connecting to a Network
Let your Network Administrator know you are connecting your PC to the network. Connect the network cable to the RJ-45 UTP (Unshielded Twisted Pair) LAN connector.
To enable your network connection, refer to the Integrated Network Interface Submenu in the Configuration Menu of the HP Setup program.
NOTE If you need a BNC Coax connector to connect to the network, you can
install an optional BNC coax adapter (order HP D3979A). Refer to "Installing a BNC Coax Adapter", on page 30.
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English 5
1 Setting Up and Using Your PC
Connecting Audio Accessories
Connecting Audio Accessories
If your PC comes with an audio board already installed, the PC has a Headphones jack and a Microphone jack on the rear panel. An audio Stereo In jack, an audio Stereo Out jack, and a MIDI interface connector are also located on the rear panel.
WARNING To avoid discomfort from unexpected noise, always turn the volume
down before connecting headphones or speakers. Listening to loud sounds for prolonged periods may permanently damage your hearing. Before putting on headphones, place them around your neck and turn the volume down. When you put on the headphones, slowly increase the volume until you find a comfortable listening level, and leave the volume control in that position.
NOTE The internal speaker and the Stereo Out jack on the rear of your PC are deactivated when you use the Headphones jack. The internal speaker is deactivated when you use the Stereo Out jack.
The audio accessories shown here (headphones, microphone, speakers, and hifi system) are not supplied with your PC
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1 Setting Up and Using Your PC
Connecting the Power Cords
6 English
Connecting the Power Cords
1 If fitted, remove the label covering the computer’s power connector. 2 Connect the power cords to the display and the computer. (The
connectors are shaped to go in one way only.)
3 Connect the display’s power cord and the computer’s power cord to
a grounded outlet.
WARNING For your safety, always connect the equipment to a grounded wall
outlet. Always use a power cord with a properly grounded plug, such as the one provided with this equipment, or one in compliance with your national regulations. This PC is disconnected from the power by removing the power cord from the power outlet. This means the PC must be located close to a power outlet that is easily accessible.
Display Power Cord
Computer Power Cord
Grounded Outlet
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English 7
1 Setting Up and Using Your PC
Your PC’s Hardware Control Panel
Your PC’s Hardware Control Panel
Your PC’s hardware control panel is on the front of your PC.
Power On/Off Button Press this button to turn the power on or off to your PC.
Reset Button Press this button to restart your PC without having to turn off your PC.
PC Lock Button Press this button to lock your PC’c keyboard and mouse while you are
away from the PC for a short period of time. Your applications will remain active. You unlock the PC by entering a password (see "Setting a User Password", on page 10).
Network Activity Light This light glows/flickers when your PC is accessing the network.
Hard Disk Activity Light This light glows/flickers when your hard disk drive is being accessed.
The hard disk activity light only works if you have an IDE hard disk drive, which comes with your Vectra PC. If you replace this drive with a SCSI hard disk drive, this light will not work.
NOTE If your PC comes with an audio board, the front panel controls will be
different. You will also have controls for the audio board on the front panel.
Power On/Off
Reset Button
PC Lock Button
Network Activity Light
Hard Disk Activity Light
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1 Setting Up and Using Your PC
Starting and Stopping Your PC
8 English
Starting and Stopping Your PC
Starting Your PC
1 Before you start your PC, always switch on the display first.
2 Start your PC in one of these ways:
press the power button on the front panel
press the space bar.
When you switch on the computer, the computer carries out the Power-On-Self-Test (POST) while the Vectra logo is displayed. If you wish to view the POST details, press to get the HP Summary Screen. If there is an error in the POST, the error will automatically be displayed.
3 If you have set a password in the PC’s Setup program, the password
prompt displays after the POST has completed. If the Password prompt is displayed, type your password and press to be able to use the PC.
Stopping Your PC
To stop the PC, make sure that you have exited all programs and the operating system (if necessary), and then press the power button on the control panel.
Refer to the operating system manual for details of how to exit the operating system.
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English 9
1 Setting Up and Using Your PC
Setting Passwords
Setting Passwords
You can set two passwords, the administrator password and the user password, to provide two levels of protection for your PC. You set both passwords in the Security menu group of the Setup program.
Setting an Administrator Password
Set the Administrator Password to protect the PC’s configuration in Setup. An Administrator Password can provide a power-on password prompt to prevent your PC being started or used in your absence. You can also use this password to start the PC when the keyboard (and mouse) are locked—you must type the password and press to unlock the keyboard (refer to “Power-On Password” in the Administrator Password Submenu of the Security Menu in the HP Setup program).
If you have set both an Administrator Password and a User Password, and you enter the Setup program by using the User Password, you will be restricted in your ability to change setup items. If you enter the Setup program with an Administrator Password, you will have no restrictions.
To set an Administrator Password:
1 Start the Setup Program. Refer to "Using the HP Setup Program", on
page 56.
2 Select the Security menu group. 3 Select the “Administrator Password” submenu. 4 Choose the “Set Administrator Password” setup item. You will be
asked to enter your password twice. Be sure to save your changes before you exit the Setup program.
To remove the password, follow the same procedure as to set a password, but do not enter anything in the password field. Press return and then press return a second time to confirm your action.
NOTE If you forget your password, refer to "If You Have Forgotten Your
Password", on page 47.
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1 Setting Up and Using Your PC
Setting Passwords
10 English
Setting a User Password
A user password can only be set if an Administrator Password has already been set.
Set a User Password to:
provide a power-on password prompt to prevent your PC from being
started or used in your absence
start the PC when the keyboard (and mouse) are locked—you must
type the password and press to unlock the keyboard (refer to “Power-On Password” in the Administrator Password Submenu of the Security Menu in the HP Setup program).
If you have set both an Administrator Password and a User Password, and you enter the Setup program by using the User Password, you will be restricted in your ability to change setup items. If you enter the Setup program with an Administrator Password, you will have no restrictions.
To set a User Password:
1 Start the Setup Program. Refer to "Using the HP Setup Program", on
page 56.
2 Select the Security menu group. 3 Select the “User Password” submenu.
4 Choose the “Set User Password” setup item. You will be asked to
enter your password twice. Be sure to save your changes before you exit the Setup program.
To remove the password, follow the same procedure as to set a password, but do not enter anything in the password field. Press return and then press return a second time to confirm your action.
NOTE If you forget your password, refer to "If You Have Forgotten Your
Password", on page 47.
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English 11
1 Setting Up and Using Your PC
Using Power Management
Using Power Management
Power management enables you to reduce the PC’s power consumption when you are not using the PC. To configure power management, refer to the Power Menu in the HP Setup program.
Refer to your operating system documentation for detailed information about the capabilities of your operating system to implement power management.
Additional Information and Help
Additional information about your PC is supplied on a documentation CD-ROM that comes with your PC. It includes:
New features—what is new and special about your PC
Using your PC—simple, “how-to-use” guidelines about using your PC
Working in comfort—guidance on ergonomic issues
Inside your PC—describes the basic parts of your PC, how to
upgrade, and how to optimize performance
HP support—similar to chapter 4 in this User’s Guide.
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1 Setting Up and Using Your PC
Additional Information and Help
12 English
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2
How to Install Accessories In Your PC
This chapter explains how to install accessories, such as extra memory, accessory boards, and additional disk drives, in your PC.
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2 How to Install Accessories In Your PC
Accessories You Can Install
14 English
Accessories You Can Install
Please contact your authorized reseller for information about HP accessory part numbers.
WARNING For your safety, never remove the PC’s cover without first removing
the power cord from the power outlet, and any connection to a telecommunications network. Always replace the cover on the PC before switching it on again.
Bottom Front Access Shelf, for accessories such as:
Tape drive Second hard disk drive
Mounting Rails can be ordered for front access devices:
5.25-inch disk drive rails
3.5-inch disk drive rails
One internal mass storage device
Network LAN Board (UTP)
Main Memory Modules (32-bit EDO):
8 MB kit (includes 2 x 4 MB modules) 16 MB kit (includes 2 x 8MB modules) 32 MB kit (includes 2 x 16 MB modules) 64 MB kit (includes 2 x 32 MB modules)
Up to four accessory boards
Processor
(Some slots may come with pre-installed boards.)
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2 How to Install Accessories In Your PC
Removing and Replacing the Cover
Removing and Replacing the Cover
Removing the Cover
1 Switch off the display and the PC.
2 Disconnect the power cords from the power outlets, the PC, and the
display. Disconnect any connection to a telecommunications network. Then remove the display.
3 If necessary, unlock the cover using the key provided with the PC.
4 Slide the two tabs on the front of the computer inwards. Firmly slide
the cover forward 5 cm (2 inches), and lift it up and off the computer.
Replacing the Cover after Installing Accessories
1 Check that you have installed all your accessories.
2 Make sure that all internal cables are properly connected and safely
routed so they will not be entangled when you replace the cover.
3 Ensure the cover lock is unlocked and the tabs are inwards.
4 Lower the cover onto the computer, and firmly slide it into position. 5 Slide the two tabs on the front of the cover outwards.
6 If a keylock is fitted, lock the cover using the key.
7 Place the display on top of the computer. Reconnect all cables and
power cords.
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2 How to Install Accessories In Your PC
Moving and Replacing the Power Supply
16 English
Moving and Replacing the Power Supply
You must move the power supply to access the sockets for the main memory, video memory, processor, battery, or accessory board slots.
1 Disconnect the computer’s power supply cord and any connection to
a telecommunications network. Remove the computer’s cover.
2 Lift the front of the power supply to disengage the hinge on the rear.
Lift the power supply clear and lay it upside down on the frame above the disk drives.
3 Before replacing the power supply, ensure that you have installed all
your accessories in the PC. Replace the power supply on the left­hand side of the PC, and ensure that the cables are neatly routed around any accessory boards.
4 Raise the front of the power supply and engage the hinge on the rear.
Lower the front of the power supply into position so that it rests on the front panel
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English 17
2 How to Install Accessories In Your PC
Installing Memory
Installing Memory
CAUTION Static electricity can damage electronic components.
Turn all equipment OFF. Don’t let your clothes touch the accessory. To equalize the static electricity, rest the accessory bag on top of the power supply while you are removing the accessory from the bag. Handle the accessory as little as possible and with care.
Main Memory Modules
Your PC is supplied with main memory. If you need more main memory to run your application software, you can install up to a total of 192 MB (6 x 32 MB).
Main memory is available in modules of 4 MB, 8 MB, 16 MB, or 32 MB. There are three memory “banks”, with each bank requiring two memory modules. You must install identical modules as pairs in each bank.
To install a main memory module: 1 Disconnect the computer’s power supply cord and any connection to
a telecommunications network.
2 Remove the computer’s cover and power supply.
Bank Memory Modules You can Install
A1 and A2 Comes preloaded with either 16 MB (2 x 8 MB) or 32 MB (2 x 16 MB).
B1 and B2 Any pair of identical modules.
C1 and C2 Any pair of identical modules.
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2 How to Install Accessories In Your PC
Installing Memory
18 English
3 For each memory module, slide it into the slot at 45°. Pivot the
memory module to the vertical position and click into place.
4 If you need to remove a main memory module, release the retaining
clip and pull the module forward and out of the socket.
5 Install any other accessories before replacing the cover and power
supply. Reconnect all cables and power cords.
6 Check the HP Summary Screen to verify the new configuration.
Refer to "HP Summary Screen", on page 55.
Upgrading the MGA Millennium Board Memory
1 Switch off the display and computer, and disconnect the power
supply cables and any telecommunications cables. Remove the PC’s cover and power supply.
2 Unscrew and remove the screw securing the MGA Millennium board.
Put the screw to one side. Note which slot the board is in.
3 Carefully remove the board from its slot, holding the board at each
end by its top edge. Do not bend the board. With its components facing up, place the board on a clean, flat, solid, static-free surface. Handle the board by its edges.
A1
B1
C1
A2
B2
C2
A1
B1
C1
A2
B2
C2
A1
B1
C1
A2
B2
C2
naja-2.fb4 Page 18 Wednesday, May 15, 1996 1:56 PM
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