IBM 2255, 2275 User Manual

Note
Before using this information and the product it supports, be sure to read the “Safety Information” on page v and “Notices and trademarks” on page 51.
First Edition (January 2001) © Copyright International Business Machines Corporation 2001. 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
About this book . . . . . . . . . . . . . . . . . . . . . ix
How this book is organized. . . . . . . . . . . . . . . . . . . . . . ix
Information resources. . . . . . . . . . . . . . . . . . . . . . . . . . ix
Chapter 1.Overview . . . . . . . . . . . . . . . . . . . 1
Identifying your computer . . . . . . . . . . . . . . . . . . . . . . . . 1
Desktop model computer . . . . . . . . . . . . . . . . . . . . . . 2
Microtower model computer . . . . . . . . . . . . . . . . . . . . 2
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Physical specifications-desktop model. . . . . . . . . . . . 5
Physical specifications - microtower model . . . . . . . . 6
Available options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Tools required. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Handling static-sensitive devices . . . . . . . . . . . . . . . . . . 7
Chapter 2.Installing external options. . . . . 9
Locating the connectors on the front of your computer . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Locating the connectors on the rear of your computer. . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Obtaining device drivers. . . . . . . . . . . . . . . . . . . . . . . . 13
Chapter 3.Installing internal options-
desktop model . . . . . . . . . . . . . . . . . . . . . . 15
Removing the cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Locating components . . . . . . . . . . . . . . . . . . . . . . . . . . 16
Installing options on the system board . . . . . . . . . . . . . 16
Accessing the system board. . . . . . . . . . . . . . . . . . . 16
Identifying parts on the system board. . . . . . . . . . . . 16
Installing memory . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Removing a DIMM . . . . . . . . . . . . . . . . . . . . . . . . 18
Installing a DIMM . . . . . . . . . . . . . . . . . . . . . . . . . 18
Installing adapters . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Adapter slots. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Installing adapters . . . . . . . . . . . . . . . . . . . . . . . . 19
Installing internal drives . . . . . . . . . . . . . . . . . . . . . . . . 20
Drive specifications. . . . . . . . . . . . . . . . . . . . . . . . . . 20
Power and signal cables for internal drives . . . . . . . 21
Installing internal drives . . . . . . . . . . . . . . . . . . . . . . 22
Replacing the cover and connecting the cables. . . . . . 23
Chapter 4.Installing internal options-
microtower model . . . . . . . . . . . . . . . . . . . 25
Removing the cover . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
Locating components . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Removing the power supply . . . . . . . . . . . . . . . . . . . . . 26
Installing options on the system board . . . . . . . . . . . . . 28
Accessing the system board. . . . . . . . . . . . . . . . . . . 28
Identifying parts on the system board. . . . . . . . . . . . 28
Installing memory. . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Removing a DIMM. . . . . . . . . . . . . . . . . . . . . . . . 30
Installing DIMMs . . . . . . . . . . . . . . . . . . . . . . . . . 30
Installing adapters. . . . . . . . . . . . . . . . . . . . . . . . 31
Adapter slots . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Installing adapters . . . . . . . . . . . . . . . . . . . . . . . . 31
Installing internal drives. . . . . . . . . . . . . . . . . . . . . . . . 31
Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . 32
Power and signal cables for internal drives. . . . . . . 33
Installing internal drives. . . . . . . . . . . . . . . . . . . . . . 33
Replacing the cover and connecting the cables . . . . . 34
Chapter 5.Updating the computer configuration
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Configuration/Setup Utility menu . . . . . . . . . . . . . . . . 37
Viewing system information and product data. . . . . . . 38
Changing parameter settings. . . . . . . . . . . . . . . . . . 38
Load FDDless Defaults . . . . . . . . . . . . . . . . . . . . . . 38
Load Optimized Defaults . . . . . . . . . . . . . . . . . . . . . 38
Canceling the default settings . . . . . . . . . . . . . . . . . 38
Exiting Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Start Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Startup Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Virus Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Quick Power-On Self Test. . . . . . . . . . . . . . . . . . . . 39
Boot Up Floppy Seek. . . . . . . . . . . . . . . . . . . . . . . . 40
Boot Up NumLock Status . . . . . . . . . . . . . . . . . . . . 40
Gate A20 Option . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Typematic Rate Setting . . . . . . . . . . . . . . . . . . . . . . 40
Typematic Rate (Chars/Sec) . . . . . . . . . . . . . . . . . . 40
Typematic Delay (Msec) . . . . . . . . . . . . . . . . . . . . . 40
Halt When Error occurence . . . . . . . . . . . . . . . . . . . 40
Halt On. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Date and Time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Advanced Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Power Management Setup . . . . . . . . . . . . . . . . . . . . . 41
Set Administrator Password . . . . . . . . . . . . . . . . . . . . 41
Set User Password . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Erasing a lost or forgotten password (clearing CMOS) . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Appendix A.Changing the battery . . . . . . 43
Appendix B.Updating System Programs 45
System programs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Appendix C.System address maps . . . . . 47
System memory map. . . . . . . . . . . . . . . . . . . . . . . . . . 47
I/O address map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Appendix D.Interrupt request and direct memory access channel assignments . . 49
Appendix E.Notices and trademarks. . . . 51
Trademarks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
iv Contents

Safety Information

DANGER Electrical current from power, telephone, and communication cables is hazardous. To avoid a shock hazard:
Never turn on any equipment when there is evidence of fire, water, or structural damage.
Do not connect or disconnect any cables or perform installation, maintenance, or reconfiguration of this product during an electrical storm.
Connect all power cords to a properly wired and grounded electrical outlet.
Connect to properly wired outlets any equipment that will be attached to this product.
•When possible, use one hand only to connect or disconnect signal cables.
Never turn on any equipment when there is evidence of fire, water, or structural damage.
Disconnect the attached power cords, telecommunications systems, networks, and modems before you open the device covers, unless instructed otherwise in the installation and configuration procedures.
Connect 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.
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 :
Ne manipulez aucun câble et n’effectuez aucune opération d’installation, d’entretien ou de reconfiguration de ce produit au cours d’un orage.
Branchez tous les cordons d’alimentation sur un socle de prise de courant correctement câblé et mis à la terre.
Branchez sur des socles de prise de courant correctement câblés tout équipement connecté à ce produit.
Lorsque cela est possible, n’utilisez qu’une seule main pour connecter ou déconnecter les câbles d’interface.;
Ne mettez jamais un équipement sous tension en cas d’incendie ou d’inondation, ou en présence de dommages matériels.
Avant 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 réseaux, aux systèmes de té lécommunication et aux modems (sauf instruction contraire mentionnée dans les procédures d’installation et de configuration).
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.
v
Lorsque 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.

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 cont ains lithium and can explode if not properly used, handled, or disposed of.
Do not:
Throw or immerse into water
Heat to more than 100°C (212°F)
Repair or disassemble
Dispose of the battery as required by local ordinances or regulations.
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.
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 :
Lancer ou plonger dans l'eau
Chauffer à plus de 100°C (212°F)
Réparer 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:
Never install telephone wiring during a lightening storm.
Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations.
Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface.
Use caution when installing or modifying telephone lines.
Avoid using a telephone (other than a cordless type) during an electrical storm. There may be a remote risk of electric shock from lightning.
Do not use the telephone to report a gas leak in the vicinity of the leak.
vi Safety Information
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 :
Ninstallez jamais de cordonsléphoniques durant un orage.
Les prises téléphoniques ne doivent pas être installées dans des endroits humides, excepté si le modèle a été con u! à cet effet.
Ne touchez jamais un cordon téléphonique ou un terminal non isolé avant que la ligne ait été déconnectée du réseau téléphonique.
Soyez toujours prudent lorsque vous procédez à l’installation ou à la modification de lignes téléphoniques.
Si vous devez téléphoner pendant un orage, pour éviter tout risque de choc électrique, utilisez toujours un téléphone sans fil.
En 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 DVD­ROM 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.
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 mod les 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 tre 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:
A TTENTION: 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:
vii
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 Safety Information

About this book

This publication provides instructions for installing most options into your computer. It also contains information to help you decide which options to add to your computer.

How this book is organized

This book contains the following chapters and appendices:
“Overview” on page 1 provides an introduction to the options available for your computer.
“Installing external options” on page 9 provides information to orient you to the connectors
on your computer and instructions for installing external options and peripheral devices.
“Installing internal options-desktop model” on page 15 provides instructions for removing the cover and installing hard disk drives, memory, and adapters in the desktop model computer.
“Installing internal options-microtower model” on page 25 provides instructions for removing the cover and installing hard disk drives, memory, and adapters in the microtower model computer.
“Updating the computer configuration” on page 37 provides instructions for updating the computer configuration, installing device drivers, and erasing a lost or forgotten password.
“Changing the battery” on page 43 provides instructions to help you change the battery if you need to.
“Updating System Programs” on page 45 provides instructions to help you update your system programs and how to recover from a POST/BIOS update failure.
“System address maps” on page 47 provides information for programmers describing the address maps of the computer.
“Interrupt request and direct memory access channel assignments” on page 49 provides information about the interrupt and direct memory access channel assignments.
“Notices and trademarks” on page 51 contains notice and trademark information.

Information resources

This publication is intended to provide the necessary instructions for installing most options into your computer. This publication also includes an overview of computer features, locating connectors, and updating configuration settings.
Access IBM, on your desktop, provides a link to more information about your computer. For those with 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.
ix
x About this book
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 with the option.
This chapter provides a brief introduction to the options and features that are available for your computer. Also, important information about required tools, electrical safety, and static-sensitive devices is included.
Important
Before you install any option, read “Safety Information” on page v. These precautions and guidelines will help you work safely.
See Access IBM for general information about the use, operation, and maintenance of your computer. Access IBM also contains information to help you solve problems and get repair service or other technical assistance.

Identifying your computer

To properly install options, you will need to know the model of your computer. The best way to identify your computer is by the machine type/model number. The machine type/model number indicates the various features of the computer, such as the type of microprocessor and the number of drive bays. You can find this number on the small label on the front of your computer. An example of the machine type/model number is 2255-13A.
The information in this publication is for the desktop, and microtower model computers.
The desktop type is 2255.
The microtower type is 2275.
When it is necessary to distinguish between the models you will see references to the model type. When the model is not specified, the information applies to all. See the following pages for descriptions of the two basic types
.
1

Desktop model computer

Desktop models come with a hard disk drive and diskette drive (only some models). Some models come with a CD-ROM, DVD-ROM, or Combo drive. The power button is located on the right side of the computer as you are facing it.

Microtower model computer

Microtower models come with a diskette drive and a hard disk drive. Some models come with a CD-ROM, DVD-ROM, or Combo drive. The power button is located on the right side of the computer as you are facing it.

Features

2 Overview
This section provides an overview of the computer features, standard software, and specifications.
Not all models come with all features that are summarized here.
Microprocessor
AMD Duron™ microprocessor with 128KB L1 cache and 64 KB L2 cache or AMD Athlon™ microprocessor with 128KB L1 cache and 256 KB L2 cache memory
Memory
Support for SDRAM or dual in-line memory modules (DIMMs) — 3.3 V, synchronous, 168-pin, unbuffered, 133 MHz nonparity dynamic random access
memory (SDRAM)
64 MB, 128 MB, and 256 MB unbuffered nonparity DIMMs for a maximum of 512 MBDIMM heights of 38.1 mm (1.5 inches)
Internal drives
3.5-inch, 1.44 MB diskette drive (some models)
Internal hard disk drive
EIDE CD-ROM, CD-RW, DVD-ROM, or Combo drive (some models)
Video controller
Unified video memory technology
Audio subsystem
• 16-bit integrated Sound Blaster Pro compatible audio subsystem
Connectivity
•Modem
10/100 Mb Ethernet
System management features
Wake on LAN
Wake on Ring (in the Configuration/Setup Utility program, this feature is called Serial Port Ring Detect for an external modem and Modem Ring Detect for an internal modem)
Wake on Alarm
Input/output features
25-pin, ECP/EPP parallel connector
One 9-pin serial connector
Three or Four USB connectors
PS/2 mouse connector
PS/2 keyboard connector
15-pin monitor connector
Audio line-in, Audio line-out and Microphone connectors
S/PDIF connector (some models only)
IEEE 1394 connector (some models only)
Game port (some models only)
Expansion
Drive bays:Desktop model: 3
Microtower model: 4
PCI expansion slots — Desktop model: 3 — Microtower model: 3
PCMCIA adapter (some desktop models)
Power
120 W or 155 W power supply with manual voltage selection switch
Automatic 50/60 Hz input frequency switching
Advanced Power Management support
Advanced Configuration and Power Interface (ACPI) support
Security features
Power-on and administrator passwords
Lockable Cover (microtower models only)
Startup sequence control
3

Specifications

IBM standard software
Your computer might come with standard software. If it does, an operating system, device drivers to support built-in features, and other support programs are included.
Operating systems (supported)
Microsoft Windows Millennium Edition (Me)
Operating systems (tested for compatibility)
Microsoft Window 2000
This section lists the physical specifications for the computer. The desktop and microtower models have three 32-bit PCI expansion slots. The desktop models have three drive bays and
microtower models have 4 drive bays.
Note: The computer is classified as a Class A or Class B digital device. See the Quick
Reference for further information about this classification.
4 Overview

Physical specifications-desktop model

Dimensions
Width: 88 mm (3.4 in.) Height: 305 mm (12.0 in.) Depth: 380 mm (14.9 in.)
Weight
Minimum configuration as shipped: 8.5 kg (18 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: 137 V ac Input frequency range: 57–63 Hz Voltage switch setting: 115 V ac
High range:
Minimum: 180 V ac Maximum: 265 V ac Input frequency range: 47–53 Hz Voltage switch setting: 230 V ac
Input kilovolt-amperes (kVA) (approximate):
Minimum configuration as shipped: 0.08 kVA Maximum configuration: 0.30 kVA
Heat output (approximate) in British thermal units (Btu) per hour:
Minimum configuration: 13.7 Btu/hr (4 watts) Maximum configuration: 341 Btu/HR (100 watts)
Airflow
Approximately 0.28 cubic meters per minute (10 cubic feet per minute) maximum
Acoustical noise-emission values
Average sound-pressure levels:
At operator position:
Idle: 38 dBA Operating: 43 dBA
At bystander position - 1 meter (3.3 ft):
Idle: 33 dBA Operating: 37 dBA
Declared (upper limit) sound-power levels:
Idle: 3.75 bels Operating: 4.99 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.
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.
5

Physical specifications - microtower model

Dimensions
Width: 385 mm (15.1 in.) Height: 192 mm (7.5 in.) Depth: 388 mm (15.2 in.)
Weight
Minimum configuration as shipped: 9.3 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: 137 V ac Input frequency range: 57–63 Hz Voltage switch setting: 115 V ac
High range:
Minimum: 180 V ac Maximum: 265 V ac Input frequency range: 47–53 Hz Voltage switch setting: 230 V ac
Input kilovolt-amperes (kVA) (approximate):
Minimum configuration as shipped: 0.08 kVA Maximum configuration: 0.3 kVA
Heat output (approximate in British thermal units (Btu) per hour:
Minimum configuration: 13.7 Btu/hr (4 watts) Maximum configuration: 341 Btu/HR (100 watts)
Airflow
Approximately 0.28 cubic meters per minute (10 cubic feet per minute) maximum
Acoustical noise-emission values
Average sound-pressure levels:
At operator position:
Idle: 38 dBA Operating: 43 dBA
At bystander position - 1 meter (3.3 ft):
Idle: 33 dBA Operating: 37 dBA
Declared (upper limit) sound-power levels:
Idle: 3.75 bels Operating: 4.99 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.
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.
6 Overview

Available options

The following are some available options:
External options
Internal options

Tools required

To install some options in your computer, you might need a flat-blade and a Phillips screwdriver. Additional tools might be needed for certain options. See the instructions that come with the option.
Parallel port devices, such as printers and external drivesSerial port devices, such as external modems and digital camerasAudio devices, such as external speakers for the sound systemUSB devices, such as printers and scanners — Monitor
System memory
Dual in-line memory modules (DIMMs)
Adapters
Peripheral component interconnect (PCI) adapters
Internal drives
CD-ROM drive or DVD-ROM drive Hard disk drive
Diskette drives and other removable media drives

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:
Limit your movement. Movement can cause static electricity to build up around you.
Always handle components carefully. Handle adapters and memory modules by the edges. Never touch any exposed circuitry.
Prevent others from touching components.
When 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.
When 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.
Do not place the option on the computer cover or other metal surface.
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8 Overview
This chapter 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 chapter 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.
Important
Before you install or remove any option, read “Safety Information” on page v. These precautions and guidelines will help you work safely.

Locating the connectors on the front of your computer

The following illustration shows the location of the connectors on the front of the desktop computer.
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2
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1 USB connector 2 USB connector (Some models are IEEE 1394 connector ) 3 S/PDIF connector 4 Microphone connector 5 Headphone connector 6 Volume control knob
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The following illustration shows the location of the connectors on the front of the microtower computer.
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1 Front USB connector 2 Front USB connector
10Installing external options
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