IBM ThinkCentre A30 8198 User manual

ThinkCentre
™
User Guide
Types2296,8191,8198,8199,8316,8434


ThinkCentre
™
User Guide
Types2296,8191,8198,8199,8316,8434


Note
Before using this information and the product it supports, be sure to read the “Safety Information” on page v and
Appendix E, “Notices”, on page 111.
First Edition (June 2003)
© Copyright International Business Machines Corporation 2003. All rights reserved.
US Government Users Restricted Rights – Use, duplication or disclosure restricted by GSA ADP Schedule Contract
with IBM Corp.

Contents
Safety Information ..........v
Lithium battery notice ...........vi
Modem safety information .........vi
Laser compliance statement .........vii
Overview ..............ix
Information resources ...........ix
Identifying your computer..........x
Chapter 1. Type 8316 .........1
Features ................1
Specifications ..............4
Available options .............5
Tools required ..............5
Handling static-sensitive devices........5
Installing external options ..........6
Locating the connectors on the front of your
computer ..............6
Locating the connectors on the rear of your
computer ..............7
Obtaining device drivers .........8
Removing the cover ............9
Locating components ...........10
Identifying parts on the system board .....10
Installing memory ............11
Installing adapters ............12
Installing internal drives ..........14
Drive specifications...........14
Installing a CD-ROM or DVD-ROM drive . . . 15
Installing security features .........17
Identifying security locks .........17
Rope clip ..............17
Integrated cable lock ..........19
Password protection ..........19
Changing the battery ...........19
Erasing a lost or forgotten password (clearing
CMOS) ................20
Replacing the cover and connecting the cables. . . 21
Chapter 2. Type 8191.........23
Features ...............23
Specifications ..............26
Available options ............27
Tools required .............27
Handling static-sensitive devices .......27
Installing external options .........28
Locating the connectors on the front of your
computer ..............28
Locating the connectors on the rear of your
computer ..............29
Obtaining device drivers .........30
Removing the cover ...........31
Locating components ...........32
Identifying parts on the system board .....32
Installing memory ............33
Installing adapters ............34
Installing internal drives ..........36
Drive specifications...........36
Installing a drive ...........37
Installing security features .........40
Identifying security locks .........40
Rope clip ..............40
Integrated cable lock ..........42
Password protection ..........42
Changing the battery ...........42
Erasing a lost or forgotten password (clearing
CMOS) ................43
Replacing the cover and connecting the cables. . . 44
Chapter 3. Types 2296 and 8434 ....45
Features ...............45
Specifications ..............48
Available options ............49
Tools required .............49
Handling static-sensitive devices .......49
Installing external options .........50
Locating the connectors on the front of your
computer ..............51
Locating the connectors on the rear of your
computer ..............52
Obtaining device drivers .........53
Removing the cover ...........54
Locating components ...........55
Identifying parts on the system board .....55
Installing memory ............56
Installing adapters ............58
Installing internal drives ..........59
Drive specifications...........59
Installing a drive ...........60
Installing security features .........62
Identifying security locks .........63
Rope clip ..............63
Integrated cable lock ..........65
Password protection ..........65
Changing the battery ...........65
Erasing a lost or forgotten password (clearing
CMOS) ................66
Replacing the cover and connecting the cables. . . 67
Chapter 4. Types 8198 and 8199 ....69
Features ...............69
Specifications ..............72
Available options ............73
Tools required .............73
Handling static-sensitive devices .......73
Installing external options .........74
Locating the connectors on the front of your
computer ..............75
Locating the connectors on the rear of your
computer ..............76
© Copyright IBM Corp. 2003 iii

Obtaining device drivers .........77
Removing the cover ...........78
Locating components ...........79
Identifying parts on the system board .....79
Installing memory ............80
Installing adapters ............81
Installing internal drives ..........83
Drive specifications...........83
Installing a drive ...........84
Installing security features .........87
Identifying security locks .........87
Rope clip ..............88
Integrated cable lock ..........89
Password protection ..........89
Changing the battery ...........89
Erasing a lost or forgotten password (clearing
CMOS) ................90
Replacing the cover and connecting the cables. . . 91
Chapter 5. Using the IBM Setup Utility
program ..............93
Starting the IBM Setup Utility program .....93
Viewing and changing settings ........93
Exiting from the IBM Setup Utility program . . . 93
Using passwords ............93
User password ............94
Administrator password .........94
Setting, changing, and deleting a password. . . 94
Using Security Profile by Device .......94
Selecting a startup device..........95
Selecting a temporary startup device .....95
Changing the startup sequence .......95
Appendix A. Updating system
programs .............97
System programs ............97
Updating (flashing) BIOS from a diskette . . . 97
Updating (flashing) BIOS from your operating
system ...............97
Recovering from a POST/BIOS update failure . . . 98
Appendix B. Cleaning the mouse . . . 99
Cleaning an optical mouse .........99
Cleaning a mouse with a ball ........99
Appendix C. Manual modem
commands ............101
Basic AT commands ...........101
Extended AT commands..........103
MNP/V.42/V.42bis/V.44 commands ......104
Fax Class 1 commands ..........105
Fax Class 2 commands ..........105
Voice commands ............106
Appendix D. Customer replaceable
unit (CRU) parts list ........109
Appendix E. Notices ........111
Television output notice ..........112
Trademarks ..............112
Index ...............113
iv User Guide

Safety Information
DANGER
Electrical current from power, telephone, and communication cables is
hazardous.
To avoid a shock hazard:
vDo not connect or disconnect any cables or perform installation, maintenance,
or reconfiguration of this product during an electrical storm.
vConnect all power cords to a properly wired and grounded electrical outlet.
vConnect to properly wired outlets any equipment that will be attached to this
product.
vWhen possible, use one hand only to connect or disconnect signal cables.
vNever turn on any equipment when there is evidence of fire, water, or
structural damage.
vDisconnect the attached power cords, telecommunications systems, networks,
and modems before you open the device covers, unless instructed otherwise
in the installation and configuration procedures.
vConnect and disconnect cables as described in the following table when
installing, moving, or opening covers on this product or attached devices.
To connect:
1. Turn everything OFF.
2. First, attach all cables to devices.
3. Attach signal cables to connectors.
4. Attach power cords to outlet.
5. Turn device ON.
To disconnect:
1. Turn everything OFF.
2. First, remove power cords from outlet.
3. Remove signal cables from connectors.
4. Remove all cables from devices.
DANGER
Le courant électrique provenant de l’alimentation, du téléphone et des câbles de
transmission peut présenter un danger.
Pour éviter tout risque de choc électrique :
vNe manipulez aucun câble et n’effectuez aucune opération d’installation,
d’entretien ou de reconfiguration de ce produit au cours d’un orage.
vBranchez tous les cordons d’alimentation sur un socle de prise de courant
correctement câblé et mis à la terre.
vBranchez sur des socles de prise de courant correctement câblés tout
équipement connecté à ce produit.
vLorsque cela est possible, n’utilisez qu’une seule main pour connecter ou
déconnecter les câbles d’interface.;
vNe mettez jamais un équipement sous tension en cas d’incendie ou
d’inondation, ou en présence de dommages matériels.
vAvant de retirer les carters de l’unité, mettez celle-ci hors tension et
déconnectez ses cordons d’alimentation, ainsi que les câbles qui la relient aux
© Copyright IBM Corp. 2003 v

réseaux, aux systèmes de té lécommunication et aux modems (sauf instruction
contraire mentionnée dans les procédures d’installation et de configuration).
vLorsque vous installez, que vous déplacez, ou que vous manipulez le présent
produit ou des périphériques qui lui sont raccordés, reportez-vous aux
instructions ci-dessous pour connecter et déconnecter les différents cordons.
Connexion:
1. Mettez les unités hors tension.
2. Commencez par brancher tous les
cordons sur les unités.
3. Branchez les câbles d’interface sur des
connecteurs.
4. Branchez les cordons d’alimentation sur
des prises.
5. Mettez les unités sous tension.
Déconnexion:
1. Mettez les unités hors tension.
2. Débranchez les cordons d’alimentation
des prises.
3. Débranchez les câbles d’interface des
connecteurs.
4. Débranchez tous les câbles des unités.
Lithium battery notice
CAUTION:
Danger of explosion if battery is incorrectly replaced.
When replacing the battery, use only IBM Part Number 33F8354 or an equivalent
type battery recommended by the manufacturer. The battery contains lithium and
can explode if not properly used, handled, or disposed of.
Do not:
vThrow or immerse into water
vHeat to more than 100°C (212°F)
vRepair or disassemble
Dispose of the battery as required by local ordinances or regulations.
ATTENTION
Danger d’explosion en cas de remplacement incorrect de la batterie.
Remplacer uniquement par une batterie IBM de type ou d’un type équivalent
recommandé par le fabricant. La batterie contient du lithium et peut exploser en
cas de mauvaise utilisation, de mauvaise manipulation ou de mise au rebut
inappropriée.
Ne pas :
vLancer ou plonger dans l’eau
vChauffer à plus de 100°C (212°F)
vRéparer ou désassembler
Mettre au rebut les batteries usagées conformément aux règlements locaux.
Modem safety information
To reduce the risk of fire, electrical shock, or injury when using telephone
equipment, always follow basic safety precautions, such as:
vNever install telephone wiring during a lightning storm.
vi User Guide

vNever install telephone jacks in wet locations unless the jack is specifically
designed for wet locations.
vNever touch uninsulated telephone wires or terminals unless the telephone line
has been disconnected at the network interface.
vUse caution when installing or modifying telephone lines.
vAvoid using a telephone (other than a cordless type) during an electrical storm.
There may be a remote risk of electric shock from lightning.
vDo not use the telephone to report a gas leak in the vicinity of the leak.
Consignes de sécurité relatives au modem
Lors de l’utilisation de votre matériel téléphonique, il est important de respecter les
consignes ci-après afin de réduire les risques d’incendie, d’électrocution et d’autres
blessures :
vN’installez jamais de cordons téléphoniques durant un orage.
vLes prises téléphoniques ne doivent pas être installées dans des endroits
humides, excepté si le modèle a été conçu à cet effet.
vNe touchez jamais un cordon téléphonique ou un terminal non isolé avant que
la ligne ait été déconnectée du réseau téléphonique.
vSoyez toujours prudent lorsque vous procédez à l’installation ou à la
modification de lignes téléphoniques.
vSi vous devez téléphoner pendant un orage, pour éviter tout risque de choc
électrique, utilisez toujours un téléphone sans fil.
vEn cas de fuite de gaz, n’utilisez jamais un téléphone situé à proximité de la
fuite.
Laser compliance statement
Some IBM Personal Computer models are equipped from the factory with a
CD-ROM drive or a DVD-ROM drive. CD-ROM drives and DVD-ROM drives are
also sold separately as options. CD-ROM drives and DVD-ROM drives are laser
products. These drives are certified in the U.S. to conform to the requirements of
the Department of Health and Human Services 21 Code of Federal Regulations
(DHHS 21 CFR) Subchapter J for Class 1 laser products. Elsewhere, these drives
are certified to conform to the requirements of the International Electrotechnical
Commission (IEC) 825 and CENELEC EN 60 825 for Class 1 laser products.
When a CD-ROM drive or a DVD-ROM drive is installed, note the following
handling instructions.
CAUTION:
Use of controls or adjustments or performance of procedures other than those
specified herein might result in hazardous radiation exposure.
Removing the covers of the CD-ROM drive or DVD-ROM drive could result in
exposure to hazardous laser radiation. There are no serviceable parts inside the
CD-ROM drive or DVD-ROM drive. Do not remove the drive covers.
Some CD-ROM drives and DVD-ROM drives contain an embedded Class 3A or
Class 3B laser diode. Note the following statement.
Safety Information vii

DANGER
Laser radiation when open. Do not stare into the beam, do not view directly with optical
instruments, and avoid direct exposure to the beam.
DANGER:
Certains modèles d’ordinateurs personnels sont équipés d’origine d’une unité de
CD-ROM ou de DVD-ROM. Mais ces unités sont également vendues séparément
en tant qu’options. L’unité de CD-ROM/DVD-ROM est un appareil à laser. Aux
État-Unis, l’unité de CD-ROM/DVD-ROM est certifiée conforme aux normes
indiquées dans le sous-chapitre J du DHHS 21 CFR relatif aux produits à laser de
classe 1. Dans les autres pays, elle est certifiée être un produit à laser de classe 1
conforme aux normes CEI 825 et CENELEC EN 60 825.
Lorsqu’une unité de CD-ROM/DVD-ROM est installée, tenez compte des
remarques suivantes:
ATTENTION: Pour éviter tout risque d’exposition au rayon laser, respectez les
consignes de réglage et d’utilisation des commandes, ainsi que les procédures
décrites.
L’ouverture de l’unité de CD-ROM/DVD-ROM peut entraîner un risque
d’exposition au rayon laser. Pour toute intervention, faites appel à du personnel
qualifié.
Certaines unités de CD-ROM/DVD-ROM peuvent contenir une diode à laser de
classe 3A ou 3B. Tenez compte de la consigne qui suit:
DANGER
Rayonnement laser lorsque le carter est ouvert. Évitez toute exposition directe des yeux
au rayon laser. Évitez de regarder fixement le faisceau ou de l’observer à l’aide
d’instruments optiques.
viii User Guide

Overview
Thank you for selecting an IBM
®
computer. Your computer incorporates many of
the latest advances in computer technology and can be upgraded as your needs
change.
This publication supports several computer models. Information in this section will
help you identify your computer and help you find the chapter that contains
information specific to your computer.
Adding hardware options to your computer is an easy way to increase its
capabilities. Instructions for installing external and internal options are included in
this publication. When adding an option, use these instructions along with the
instructions that come along with the option.
Information resources
The Quick Reference that comes with your computer provides information for
installing your computer and starting the operating system. It also includes basic
troubleshooting information, software recovery procedures, help and service
information, and warranty information.
Access IBM, on your desktop, provides a link to more information about your
computer.
If you have Internet access, the most up-to-date manuals for your computer are
available from the World Wide Web. To access this information, point your browser
to
http://www.ibm.com/pc/support
Type your machine type and model number in the Quick Path field, and click Go.
© Copyright IBM Corp. 2003 ix

Identifying your computer
See Chapter 1, “Type 8316”, on page 1.
See Chapter 2, “Type 8191”, on
page 23.
See Chapter 3, “Types 2296 and 8434”,
on page 45.
See Chapter 4, “Types 8198 and 8199”,
on page 69.
xUser Guide

Chapter 1. Type 8316
This chapter provides an introduction to the features and options that are available
for your computer. You can expand the capabilities of your computer by adding
memory, adapters, or drives. When installing an option, use these instructions
along with the instructions that come with the option.
Important
Before you install or remove any option, read “Safety Information” on page v.
These precautions and guidelines will help you work safely.
Features
This section provides an overview of the computer features and preinstalled
software.
System information
The following information covers a variety of models. For information for
your specific model, use the IBM Setup Utility. See Chapter 5, “Using the IBM
Setup Utility program”, on page 93.
Microprocessor (varies by model type)
Intel
®
Pentium
®
4 processor with 256 KB or 512 KB of internal L2 cache memory
and Intel NetBurst
™
micro-architecture
Memory
vSupport for two dual inline memory modules (DIMMs)
v512 KB flash memory for system programs
Internal drives
v3.5-inch, 1.44 MB diskette drive
vInternal hard disk drive
vEIDE CD-ROM drive or DVD-ROM drive (some models)
© Copyright IBM Corp. 2003 1

Video subsystem
vIntel Extreme
™
graphics
vAccelerated graphics port (AGP) video adapter slot on the system board (some
models)
Audio subsystem
Integrated SoundMAX 3 audio
Connectivity
v10/100 Mbps integrated Intel Ethernet controller that supports the Wake on
LAN
®
feature
vSoft modem V.90/V.44 (some models)
System management features
vRemote Program Load (RPL) and Dynamic Host Configuration Protocol (DHCP)
vWake on LAN
vWake on Ring (in the IBM Setup Utility program, this feature is called Serial Port
Ring Detect for an external modem and Modem Ring Detect for an internal
modem)
vRemote Administration
vAutomatic power-on startup
vSystem Management (SM) BIOS and SM software
vAbility to store POST hardware test results
Input/output features
v25-pin, Extended Capabilities Port (ECP)/Extended Parallel Port (EPP)
vTwo 9-pin serial connectors
vSix 4-pin, USB connectors
vPS/2
®
mouse connector
vPS/2 keyboard connector
vEthernet connector
vVGA monitor connector
vThree audio connectors (line in, line out, and microphone)
vFront connectors for headphone, microphone, IEEE 1394, and S/PDIF (some
models)
Expansion
vThree drive bays
vThree 32-bit peripheral component interconnect (PCI) adapter slots (supports
low-profile adapters only)
vOne accelerated graphics port (AGP) expansion slot (supports low-profile
adapters only)
Power
v200 W power supply with manual voltage selection switch
vAutomatic 50/60 Hz input frequency switching
vAdvanced Power Management support
vAdvanced Configuration and Power Interface (ACPI) support
2User Guide

Security features
vUser and administrator passwords
vSupport for the addition of a rope clip and lockable cable
vSupport for the addition of an integrated cable lock
vStartup sequence control
vStartup without diskette drive, keyboard, or mouse
vUnattended start mode
vDiskette and hard disk I/O control
vSerial and parallel port I/O control
vSecurity profile by device
IBM preinstalled software
Your computer might come with preinstalled software. If it does, an operating
system, device drivers to support built-in features, and other support programs are
included.
Operating systems (preinstalled) (varies by model type)
Note: Not all countries or regions will have these operating systems.
vMicrosoft
®
Windows
®
XP Home
vMicrosoft Windows XP Professional
vMicrosoft Windows 2000 Professional
Operating systems (tested for compatibility)
1
vMicrosoft Windows NT
®
Workstation Version 4.0
vMicrosoft Windows 98 Second Edition
1. The operating systems listed here are being tested for compatibility at the time this publication goes to press. Additional
operating systems might be identified by IBM as compatible with your computer following the publication of this booklet.
Corrections and additions to this list are subject to change. To determine if an operating system has been tested for compatibility,
check the Web site of the operating system vendor.
Chapter 1. Type 8316 3

Specifications
This section lists the physical specifications for your computer.
Dimensions
Height: 104 mm (4.1 in.)
Width: 360 mm (14.2 in.)
Depth: 412 mm (16.2 in.)
Weight
Minimum configuration as shipped: 8.1 kg (18 lb)
Maximum configuration: 9.1 kg (20 lb)
Environment
Air temperature:
System on: 10° to 35°C (50° to 95° F)
System off: 10° to 43°C (50° to 110° F)
Maximum altitude: 2134 m (7000 ft)
Note: The maximum altitude, 2134 m (7000 ft),
is the maximum altitude at which the specified
air temperatures apply. At higher altitudes, the
maximum air temperatures are lower than those
specified.
Humidity:
System on: 8% to 80%
System off: 8% to 80%
Electrical input
Input voltage:
Low range:
Minimum: 90 V ac
Maximum: 180 V ac
Input frequency range: 47–53 Hz
Voltage switch setting: 115 V ac
High range:
Minimum: 137 V ac
Maximum: 265 V ac
Input frequency range: 57–63 Hz
Voltage switch setting: 230 V ac
Input kilovolt-amperes (kVA) (approximate):
Minimum configuration as shipped: 0.08 kVA
Maximum configuration: 0.25 kVA
Note: Power consumption and heat output vary
depending on the number and type of optional
features installed and the power-management
optional features in use.
Heat output (approximate) in British thermal units (Btu)
per hour:
Minimum configuration: 257 Btu/hr (75 watts)
Maximum configuration: 683 Btu/hr (200 watts)
Airflow
Approximately 0.45 cubic meters per minute (16 cubic
feet per minute) maximum
Acoustical noise-emission values
For microprocessors less than 2.8 GHz:
Average sound-pressure levels:
At operator position:
Idle: 28 dBA
Operating: 30 dBA
At bystander position - 1 meter (3.3 ft):
Idle: 27 dBA
Operating: 29 dBA
Declared (upper limit) sound-power levels:
Idle: 4.2 bels
Operating: 4.3 bels
For microprocessors greater than or equal to 2.8 GHz:
Average sound-pressure levels:
At operator position:
Idle: 29 dBA
Operating: 31 dBA
At bystander position - 1 meter (3.3 ft):
Idle: 28 dBA
Operating: 29 dBA
Declared (upper limit) sound-power levels:
Idle: 4.3 bels
Operating: 4.4 bels
Note: These levels were measured in controlled acoustical
environments according to the procedures specified by the
American National Standards Institute (ANSI) S12.10 and
ISO 7779 and are reported in accordance with ISO 9296.
Actual sound-pressure levels in a given location might
exceed the average values stated because of room
reflections and other nearby noise sources. The declared
sound-power levels indicate an upper limit, below which a
large number of computers will operate.
4User Guide

Available options
The following are some available options:
vExternal options
– Parallel port devices, such as printers and external drives
– Serial port devices, such as external modems and digital cameras
– Audio devices, such as external speakers for the sound system
– USB devices, such as printers, joysticks, and scanners
– Security device, such as a rope clip
– Monitors
vInternal options
– System memory, called dual inline memory modules (DIMMs)
– Peripheral component interconnect (PCI) adapters (supports low-profile
adapters only)
– Accelerated graphics port (AGP) adapters (supports low-profile adapters
only)
– Internal drives, such as:
- CD-ROM drive and DVD-ROM drive (some models)
- Hard disk drive
- Diskette drives and other removable media drives
For the latest information about available options, see the following World Wide
Web pages:
vhttp://www.ibm.com/pc/us/options/
vhttp://www.ibm.com/pc/support/
You can also obtain information by calling the following telephone numbers:
vWithin the United States, call 1-800-IBM-2YOU (1-800-426-2968), your IBM
reseller, or IBM marketing representative.
vWithin Canada, call 1-800-565-3344 or 1-800-IBM-4YOU.
vOutside the United States and Canada, contact your IBM reseller or IBM
marketing representative.
Tools required
To install some options in your computer, you might need a flat-blade or Phillips
screwdriver. Additional tools might be needed for certain options. See the
instructions that come with the option.
Handling static-sensitive devices
Static electricity, although harmless to you, can seriously damage computer
components and options.
When you add an option, do not open the static-protective package containing the
option until you are instructed to do so.
When you handle options and other computer components, take these precautions
to avoid static electricity damage:
vLimit your movement. Movement can cause static electricity to build up around
you.
Chapter 1. Type 8316 5

vAlways handle components carefully. Handle adapters and memory modules by
the edges. Never touch any exposed circuitry.
vPrevent others from touching components.
vWhen you install a new option, touch the static-protective package containing
the option to a metal expansion-slot cover or other unpainted metal surface on
the computer for at least two seconds. This reduces static electricity in the
package and your body.
vWhen possible, remove the option and install it directly in the computer without
setting the option down. When this is not possible, place the static-protective
package that the option came in on a smooth, level surface and place the option
on it.
vDo not place the option on the computer cover or other metal surface.
Installing external options
This section shows the various external connectors on your computer to which you
can attach external options, such as external speakers, a printer, or a scanner. For
some external options, you must install additional software in addition to making
the physical connection. When adding an external option, use the information in
this section to identify the required connector, and then use the instructions that
come with the option to help you make the connection and install any software or
device drivers that are required for the option.
Locating the connectors on the front of your computer
The following illustration shows the locations of the connectors on the front of the
computer.
1USB connector
2USB connector
6User Guide

Locating the connectors on the rear of your computer
The following illustration shows the locations of the connectors on the rear of the
computer.
1Serial connector 9 Audio line out connector
2Mouse connector 10Microphone connector
3Parallel connector 11USB connectors
4Ethernet connector 12VGA monitor connector
5Audio line in connector 13Serial connector
6Power connector 14USB connectors
7PCI slots 15Keyboard connector
8AGP slot (some models)
Note: Some connectors on the rear of the computer are color-coded to help you to
determine where to connect the cables on your computer.
Chapter 1. Type 8316 7

Connector Description
Serial connector Used to attach an external modem, serial printer, or other
devices that use a 9-pin serial connector.
Mouse connector Used to attach a mouse, trackball, or other pointing device that
uses a standard mouse connector.
Parallel connector Used to attach a parallel printer, parallel scanner, or other
devices that use a 25-pin parallel connector.
Ethernet connector Used to attach an Ethernet cable for a local area network
(LAN).
Note: To operate the computer within FCC Class B limits, use
a Category 5 Ethernet cable.
Audio line in connector Used to receive audio signals from an external audio device,
such as a stereo system. When you attach an external audio
device, a cable is connected between the audio line out
connector of the device and the audio line in connector of the
computer.
Audio line out connector Used to send audio signals from the computer to external
devices, such as powered stereo speakers (speakers with
built-in amplifiers), headphones, multimedia keyboards, or the
audio line in connector on a stereo system or other external
recording device.
Microphone connector Used to attach a microphone to your computer when you want
to record voice or other sounds on the hard disk if you use
speech-recognition software.
USB connectors Used to attach a device that requires a Universal Serial Bus
(USB) connection, such as a USB scanner or USB printer. If you
have more than six USB devices, you can purchase a USB hub,
which you can use to connect additional USB devices.
Keyboard connector Used to attach a keyboard that uses a standard keyboard
connector.
Obtaining device drivers
You can obtain device drivers for operating systems that are not preinstalled at
http://www.ibm.com/pc/support/ on the World Wide Web. Installation
instructions are provided in README files with the device-driver files.
8User Guide