NEC PowerMate V75e, PowerMate V100e Service Manual

PROPRIETARY NOTICE AND LIABILITY DISCLAIMER

The information disclosed in this document, including all designs and related materials, is
the valuable property of NEC Corporation (NEC) and/or its licensors. NEC and/or its li­censors, as appropriate, reserve all patent, copyright and other proprietary rights to this
document, including all design, manufacturing, reproduction, use, and sales rights thereto,
except to the extent said rights are expressly granted to others.

The NEC product(s) discussed in this document are warranted in accordance with the terms
of the Warranty Statement accompanying each product. However, actual performance of
each such product is dependent upon factors such as system configuration, customer data,
and operator control. Since implementation by customers of each product may vary, the
suitability of specific product configurations and applications must be determined by the
customer and is not warranted by NEC.

To allow for design and specification improvements, the information in this document is
subject to change at any time, without notice. Reproduction of this document or portions
thereof without prior written approval of NEC is prohibited.

MultiSync and PowerMate are U.S. registered trademarks of NEC Technologies, Inc.
FastFacts is a U.S. trademark of NEC Technologies, Inc.
All other product, brand, or trade names used in this publication are the trademarks or registered trademarks

of their respective trademark owners.

Copyright 1996 Copyright 1996

NEC Technologies, Inc. NEC Corporation

1414 Massachusetts Avenue 7-1 Shiba 5-Chome, Minato-Ku

Boxborough, MA 01719 Tokyo 108-01, Japan

All Rights Reserved All Rights Reserved

First Printing — May 1996

Contents

Preface............................................................................................................................. xiii

Abbreviations.................................................................................................................. xv

Section 1 Technical Information

System Chassis................................................................................................................ 1-2

System Board .................................................................................................................. 1-3

Processor.................................................................................................................. 1-5

Secondary Cache...................................................................................................... 1-6

System and Video BIOS .......................................................................................... 1-6

Power Management.................................................................................................. 1-7

I/O Addressing......................................................................................................... 1-7

System Memory....................................................................................................... 1-8

Interrupt Controller.................................................................................................. 1-10

iii

Integrated Graphics.................................................................................................. 1-11

Motion Video Controller ................................................................................. 1-11

Graphics Accelerator ....................................................................................... 1-11

Video Memory................................................................................................. 1-12

ISA Bus.................................................................................................................... 1-12

PCI Local Bus.......................................................................................................... 1-12

PCI Auto Configuration........................................................................................... 1-13

PCI/IDE Ports .......................................................................................................... 1-13

Parallel Interface ...................................................................................................... 1-13

Serial Interface......................................................................................................... 1-14

Power Supply .................................................................................................................. 1-15

Diskette Drive ................................................................................................................. 1-15

Hard Disk Drive.............................................................................................................. 1-15

Keyboard......................................................................................................................... 1-15

Mouse.............................................................................................................................. 1-16

Multimedia Components................................................................................................. 1-16

Integrated Audio ...................................................................................................... 1-16

CD-ROM Reader..................................................................................................... 1-16

Speakers................................................................................................................... 1-17

Microphone.............................................................................................................. 1-17

Network Board................................................................................................................ 1-17

Plug And Play.................................................................................................................. 1-17

iv Contents

Power Management......................................................................................................... 1-17

Desktop Management Interface....................................................................................... 1-18

DMI Components..................................................................................................... 1-18

Manageable Components......................................................................................... 1-18

CI Module................................................................................................................ 1-19

DMI Browser ........................................................................................................... 1-19

Usage........................................................................................................................ 1-20

Troubleshooting....................................................................................................... 1-21

Specifications.................................................................................................................. 1-22

Section 2 Setup and Operation

Unpacking and Repacking .............................................................................................. 2-1

Setup................................................................................................................................ 2-1

CD-ROM Reader ............................................................................................................ 2-6

System Configuration...................................................................................................... 2-7

Setup Utility............................................................................................................. 2-7

How to Start Setup................................................................................................... 2-8

How to Use Setup .................................................................................................... 2-9

Menu Bar ......................................................................................................... 2-9

Legend Bar....................................................................................................... 2-10

Field Help Window.......................................................................................... 2-11

General Help Window..................................................................................... 2-11

Main Menu Options......................................................................................... 2-11

IDE Adapters ................................................................................................... 2-12

Memory Cache................................................................................................. 2-14

Memory Shadow.............................................................................................. 2-14

Boot Options.................................................................................................... 2-14

Numlock .......................................................................................................... 2-15

Advanced Menu....................................................................................................... 2-16

Integrated Peripherals Menu............................................................................ 2-16

Security Menu.......................................................................................................... 2-18

Power Menu............................................................................................................. 2-19

Boot Menu ............................................................................................................... 2-20

Exit Menu ................................................................................................................ 2-21

Save Changes & Exit....................................................................................... 2-21

Discard Changes & Exit .................................................................................. 2-21

Get Default Values........................................................................................... 2-22

Contents v

Load Previous Values...................................................................................... 2-22

Save Changes................................................................................................... 2-22

BIOS Update Utility........................................................................................................ 2-22

NEC Bulletin Board Service.................................................................................... 2-23

Using the BIOS Update Utility................................................................................ 2-24

Section 3 Option Installation

General Rules for Installing Options............................................................................... 3-1

Precautions...................................................................................................................... 3-2

Removing the System Unit Cover ........................................................................... 3-3

Expansion Boards............................................................................................................ 3-4

Expansion Slot Locations ........................................................................................ 3-4

Expansion Board Installation................................................................................... 3-5

Inside Slot Expansion Board Installation......................................................... 3-7

System Board Options..................................................................................................... 3-9

SIMM Upgrade........................................................................................................ 3-9

Checking System Memory............................................................................... 3-9

SIMM Removal ............................................................................................... 3-11

SIMM Installation............................................................................................ 3-11

Video Upgrade......................................................................................................... 3-12

Processor Upgrade ................................................................................................... 3-13

Processor Removal .......................................................................................... 3-14

Processor Installation....................................................................................... 3-14

Secondary Cache Upgrade .............................................................................................. 3-15

Data Storage Devices...................................................................................................... 3-17

Device Slots............................................................................................................. 3-17

Device Preparation................................................................................................... 3-18

Device Cables .......................................................................................................... 3-18

Diskette Drive Signal Cable ............................................................................ 3-19

IDE Signal Cables............................................................................................ 3-20

System Power Cables....................................................................................... 3-21

Device Cabling......................................................................................................... 3-22

Cabling an IDE Device.................................................................................... 3-22

Cabling a Diskette Drive.................................................................................. 3-22

Storage Device Installation...................................................................................... 3-23

Removing the 3 1/2-Inch Drive Bracket.......................................................... 3-23

Installing the 3 1/2-Inch Drive......................................................................... 3-24

vi Contents

Removing the Front Panel ............................................................................... 3-25

Installing the 5 1/4-Inch Device....................................................................... 3-27

Replacing the Front Panel................................................................................ 3-28

Replacing the 3 1/2-Inch Drive Bracket .......................................................... 3-29

Adding External Options................................................................................................. 3-30

Parallel Printer ......................................................................................................... 3-30

RS-232C Device Connection................................................................................... 3-31

Section 4 Maintenance and Troubleshooting

Maintenance.................................................................................................................... 4-2

System Cleaning ...................................................................................................... 4-2

Keyboard Cleaning................................................................................................... 4-3

Mouse Cleaning....................................................................................................... 4-3

Troubleshooting .............................................................................................................. 4-4

Diagnosing and Solving Problems........................................................................... 4-4

CMOS Battery Replacement.................................................................................... 4-9

Section 5 System Unit Repair

Disassembly And Reassembly ........................................................................................ 5-1

System Unit Cover Removal.................................................................................... 5-2

Expansion Board Removal ...................................................................................... 5-3

PCI/ISA Backboard Removal.................................................................................. 5-5

3 1/2-inch Diskette and Hard Disk Drive Removal................................................. 5-5

Front Panel Assembly Removal............................................................................... 5-7

Blank Panel Removal............................................................................................... 5-8

Speaker Assembly Removal .................................................................................... 5-8

SIMM Removal ....................................................................................................... 5-9

5 1/4-Inch Device Removal ..................................................................................... 5-10

Power Supply Removal............................................................................................ 5-11

System Board Removal............................................................................................ 5-13

Illustrated Parts Breakdown..................................................................................... 5-14

Appendix A Connector Pin Assignments

Serial Interface Connectors............................................................................................. A-3

Parallel Interface Connector............................................................................................ A-4

VGA Interface Connector Pin Assignments ................................................................... A-6

Contents vii

Speaker Connector Pin Assignments.............................................................................. A-7

Power Supply Connector................................................................................................. A-7

Keyboard and Mouse Connectors ................................................................................... A-8

Suspend Button Connector.............................................................................................. A-8

Fan Connector................................................................................................................. A-8

Diskette Drive Interface Pin Assignments ...................................................................... A-9

IDE Interface Connectors................................................................................................ A-9

SIMM Sockets................................................................................................................. A-11

ISA/PCI-Bus Backboard Connector Pin Assignments.................................................... A-12

ISA Expansion Bus Connector Pin Assignments............................................................ A-14

CD Audio In Connector Pin Assignments ...................................................................... A-16

Appendix B System Board Jumpers

Jumper Locations............................................................................................................ B-1

Changing Processor Jumper Settings.............................................................................. B-2

Setting The Cache Jumper .............................................................................................. B-3

Changing The Password.................................................................................................. B-4

Appendix C Hard Disk Drive Specifications and Jumper Settings

635-MB Hard Disk Drive Specifications And Jumper Settings ..................................... C-1

635-MB Hard Disk Drive Jumper Settings..................................................................... C-2

1.2-GB Hard Disk Drive Specifications And Jumper Settings....................................... C-3

Appendix D CD-ROM Reader Specifications and Jumper Settings

CD-ROM Reader Specifications.................................................................................... D-1

CD-ROM Reader Connectors and Jumper Settings....................................................... D-2

List of Figures

1-1 System Controls and Storage Device Slots............................................. 1-2

2-1 Voltage Selector Switch.......................................................................... 2-2

2-2 Peripheral Connections ........................................................................... 2-2

2-3 Network Board Connections................................................................... 2-3

2-4 Assembling the Microphone Holder....................................................... 2-4

2-5 Connecting the Microphone.................................................................... 2-4

2-6 Power Button, Lamps, and Suspend Button............................................ 2-5

viii Contents

2-7 Typical CD-ROM Reader Controls and Indicators................................. 2-6

3-1 Removing Cover Screws......................................................................... 3-3

3-2 Releasing the Cover ................................................................................ 3-4

3-3 Locating Expansion Slots........................................................................ 3-5

3-4 Removing a Slot Cover........................................................................... 3-6

3-5 Inserting the Board.................................................................................. 3-7

3-6 Removing the Slot Cover Support Screws.............................................. 3-8

3-7 Attaching the Slot Cover Support........................................................... 3-8

3-8 System Board Upgrade Sockets and Connectors.................................... 3-9

3-9 Removing a SIMM.................................................................................. 3-11

3-10 Inserting the SIMM................................................................................. 3-12

3-11 Aligning the Video DRAM Module with the Socket.............................. 3-13

3-12 Aligning the Cache Module with the Socket .......................................... 3-15

3-13 Locating Device Slots ............................................................................. 3-18

3-15 Optional Diskette Drive Signal Cable..................................................... 3-20

3-16 Optional IDE Cable Connectors.............................................................. 3-21

3-17 Power Cable Connectors......................................................................... 3-21

3-18 Connecting IDE Device Cables............................................................... 3-22

3-19 Connecting 1.2-MB Diskette Drive Cables............................................. 3-23

3-20 Removing the 3 1/2-Inch Drive Bracket ................................................. 3-24

3-21 Securing a 3 1/2-Inch Drive .................................................................... 3-25

3-22 Removing the Front Panel....................................................................... 3-26

3-23 Locating the Blank Panel Tabs................................................................ 3-26

3-24 Securing the Device ................................................................................ 3-28

3-25 Aligning the Front Panel......................................................................... 3-28

3-26 Securing the 3 1/2-Inch Drive Bracket.................................................... 3-29

3-27 Connecting a Printer Cable ..................................................................... 3-30

3-28 Connecting an RS-232C Cable to the Desktop....................................... 3-31

4-1 Removing the Mouse Ball Cover............................................................ 4-3

4-2 Battery Socket Location.......................................................................... 4-10

4-3 Battery Removal...................................................................................... 4-10

5-1 System Unit Cover Screws...................................................................... 5-3

5-2 Removing the System Unit Cover........................................................... 5-3

5-3 Expansion Slot Screw ............................................................................. 5-4

Contents ix

5-4 Inside Expansion Slot Screw................................................................... 5-4

5-5 PCI/ISA Backboard Screws .................................................................... 5-5

5-6 3 1/2-Inch Drive Bracket......................................................................... 5-6

5-7 3 1/2-Inch Diskette and Hard Disk Drive Screws................................... 5-6

5-8 Indicator Panel Connectors ..................................................................... 5-7

5-9 Blank Panel Tabs..................................................................................... 5-8

5-10 Internal Speaker....................................................................................... 5-9

5-11 SIMM Socket.......................................................................................... 5-9

5-12 5 1/4-Inch Device Screws ....................................................................... 5-10

5-13 Power Button Screws.............................................................................. 5-11

5-14 Power Supply Screws.............................................................................. 5-12

5-15 System Board Connectors and Screws.................................................... 5-13

5-16 PowerMate Ve Illustrated Parts Breakdown*......................................... 5-16

A-1 System Board Layout .............................................................................. A-1

A-2 Serial Interface ........................................................................................ A-3

A-3 Parallel Interface Connector.................................................................... A-4

A-4 VGA Interface Connector ....................................................................... A-6

A-5 Power Supply Connector Pin Assignments............................................. A-7

B-1 System Board Jumper Locations............................................................. B-1

B-2 Processor Upgrade Jumpers.................................................................... B-3

B-3 SRAM cache jumper............................................................................... B-4

B-4 Password clear jumper ............................................................................ B-4

C-1 Western Digital 635-MB Jumper Settings.............................................. C-3

List of Tables

1-1 PowerMate Ve System Configurations................................................... 1-1

1-2 System Board Chips................................................................................ 1-5

1-3 System Memory Map.............................................................................. 1-6

1-4 I/O Address Map..................................................................................... 1-7

1-5 SIMM Memory Upgrade Path................................................................. 1-9

1-6 Interrupt Level Assignments................................................................... 1-10

1-7 Parallel Port Addressing and Interrupts .................................................. 1-13

1-8 Serial Port Addressing and Interrupts ..................................................... 1-14

1-9 Specifications.......................................................................................... 1-22

x Contents

2-1 Setup Key Functions ............................................................................... 2-10

2-2 Main Menu Parameters........................................................................... 2-12

2-3 IDE Hard Disk Parameters...................................................................... 2-13

2-4 Memory Cache Parameters ..................................................................... 2-14

2-5 Boot Parameters...................................................................................... 2-15

2-6 Numlock Parameters............................................................................... 2-15

2-7 Advanced Menu Parameters.................................................................... 2-16

2-8 Integrated Peripherals Parameters........................................................... 2-17

2-9 System Security Options......................................................................... 2-18

2-10 Power Management Parameters.............................................................. 2-20

3-1 Recommended Memory Upgrade Path ................................................... 3-10

4-1 NEC Service and Information Telephone Numbers................................ 4-1

4-2 Problems and Solutions........................................................................... 4-5

5-1 PowerMate Ve Disassembly Sequence................................................... 5-1

5-2 PowerMate Ve Field-Replaceable Parts List........................................... 5-14

5-3 PowerMate Ve Optional Replacement Part ............................................ 5-17

5-4 PowerMate Ve Documentation and Packaging....................................... 5-17

A-1 System Board Connectors....................................................................... A-2

A-2 RS-232C Serial Port Connector Pin Assignments .................................. A-3

A-3 Parallel Printer Port Connector Pin Assignments ................................... A-5

A-4 VGA Interface Connector Pin Assignments ........................................... A-6

A-5 Speaker Connector Pin Assignments ...................................................... A-7

A-6 Keyboard and Mouse Connector Pin Assignments................................. A-8

A-7 Suspend Connector Pin Assignments...................................................... A-8

A-8 Fan Connector Pin Assignments............................................................. A-8

A-9 Diskette Drive Connector Pin Assignments............................................ A-9

A-10 IDE/PCI Connector Pin Assignments..................................................... A-10

A-11 SIMM Socket Pin Assignments.............................................................. A-11

A-12 ISA/PCI-Bus Backboard Connector Pin Assignments............................ A-12

A-13 ISA Expansion Slot Pin Assignments..................................................... A-14

A-14 CD Audio-In Connector.......................................................................... A-16

Contents xi

C-1 Specifications for 635-MB Hard Disk Drive .......................................... C-1

C-2 Specifications for 1.2-GB Hard Disk Drive............................................ C-3

D-1 Specifications for NEC Quad-Speed CD-ROM Reader ......................... D-1

xiii

Preface

This service and reference manual contains the technical information necessary to set up,
maintain, troubleshoot, and repair the NEC PowerMate Ve series computer systems. It
also provides hardware and interface information for users who need an overview of the
computer system design. The manual is written for NEC-trained customer engineers,
system analysts, service center personnel, and dealers.

The manual is organized as follows:
Section 1, Technical Information, provides an overview of the computer features,

hardware design, interface ports, internal devices and system unit specifications.
Section 2, Setup and Operation, gives general setup and operation information. Included

is a description of the system Setup utility and the factory default configuration settings. A
procedure is provided for logging onto the NEC Bulletin Board and obtaining the latest the
Flash ROM BIOS.

Section 3, Options, provides safety precautions and installation procedures for installing
options.

Section 4, Maintenance and Troubleshooting, includes a list of NEC service information
and telephone numbers that provide access to the NEC Bulletin Board System (BBS),
FastFacts, and Technical Information Bulletins. Included are recommended maintenance
information and a lists possible problem and solutions for computer.

Section 5, System Unit Repair, provides disassembly and reassembly procedures along
with an illustrated parts breakdown. NEC service and spare parts ordering information is
also provided.

Appendix A, Connector Pin Assignments, provides a list of the system boards’ internal
connector pin assignments and a list of external pin assignments for the keyboard/mouse,
serial port, parallel port, and video port.

Appendix B, System Board Jumpers, provides jumper information for configuring the
system for a particular requirement.

Appendix C, Hard Disk Drive Specifications and Jumper Settings, provides
specifications and jumper settings for the hard disk drives that ship with the PowerMate Ve
series systems.

Appendix D, CD-ROM Reader Specifications and Jumper Settings, provides
specifications and jumper settings for the CD-ROM readers that ship with the PowerMate
Ve series systems.

Abbreviations

xv

A ampere
AC alternating current
AT advanced technology (IBM PC)
BBS Bulletin Board System
BCD binary-coded decimal
BCU BIOS Customized Utility
BIOS basic input/output system
bit binary digit
BUU BIOS Upgrade Utility
bpi bits per inch
bps bits per second
C capacitance
C centigrade
Cache high-speed buffer storage
CAM constantly addressable memory
CAS column address strobe
CD-ROM compact disk-ROM
CGA Color Graphics Adapter
CGB Color Graphics Board
CH channel
clk clock
cm centimeter
CMOS complementary metal oxide

semiconductor

COM communication
CONT contrast
CPGA ceramic pin grid array
CPU central processing unit
DAC digital-to-analog converter
DACK DMA acknowledge
db decibels
DC direct current
DIP dual in-line package
DMA direct memory access
DMAC DMA controller
DOS disk operating system
DRAM dynamic RAM
ECC error checking and correction

ECP enhanced capabilities port (ECP)
EGA Enhanced Graphics Adapter
EPP Enhanced Parallel Port
EPROM erasable and programmable ROM
EVGA Enhanced Video Graphics Array
F Fahrenheit
FAX facsimile transmission
FCC Federal Communications

Commission
FGframe ground
FIFO first-in/first-out
FM frequency modulation
FRU field-replaceable unit
GB gigabyte
GND ground
HEX hexadecimal
HGA Hercules Graphics Adapter
Hz hertz
IC integrated circuit
ID identification
IDE intelligent device electronics
in. inch
IPB illustrated parts breakdown
ISA Industry Standard Architecture
I/O input/output
IPC integrated peripheral controller
ips inches per second
IR infrared
IRQ interrupt request
K kilo (1024)
k kilo (1000)
KB kilobyte
kg kilogram
kHz kilohertz
lb pound
LED light-emitting diode
M mega
mA milliamps

xvi Abbreviations

max maximum
MB megabyte
MDA Monochrome Display Adapter
MFM modified frequency modulation
MHz megahertz
MIC microphone
MIDI musical instrument device interface
MPC multimedia PC
mm millimeter
MPEG Motion Picture Experts Group
ms millisecond
NASC National Authorized Service Center
NC not connected
NMI Non-maskable Interrupt
ns nanosecond
PAL programmable array logic
PC personal computer
PCI Peripheral Component Interconnect
PDA personal digital assistant
PFP plastic flat package
PIO parallel input/output
pixel picture element
PROM programmable ROM
RAM random-access memory
RAMDAC RAM digital-to-analog converter
RGB red green blue
RGBI red green blue intensity
ROM read-only memory
rpm revolutions per minute
R read
RTC real-time clock
R/W read/write
S slave
SCSI Small Computer System Interface
SGsignal ground
SIMM single inline memory module
SVGA Super Video Graphics Array
SW switch
TSC Technical Support Center
TTL transistor/transistor logic

tpi tracks per inch
V volt
Vac volts, alernating current
Vdc volts, direct current
VESA video electronics standards

association
VGA Video Graphics Array
VRAM video RAM
W watt
W write

Section 1

Technical Information

The PowerMate® Ve Series come standard with an Intel Pentium™ processor, a 3 1/2-inch

1.44 megabyte (MB) diskette drive, 8- or 16-MB random access memory (RAM), and 1
MB of video dynamic random access memory (DRAM).

The PowerMate Ve system configurations are listed in Table Section 1-1.

Table Section 1-1 PowerMate Ve System Configurations

Configurations

Diskless 3 1/2-Inch diskette drive only

Hard disk system 3 1/2-inch diskette drive

Network-ready system 3 1/2-inch diskette drive

Multimedia 3 1/2-inch diskette drive

Multimedia/Network ready 3 1/2-inch diskette drive

PowerMate V75e
(75 MHz)

8 MB of RAM

635 MB hard disk or 1.2 GB
with 8 MB or 16 MB of RAM

635 MB hard disk
Network board
8 MB of RAM

1.2 GB hard disk
quad-speed CD-ROM reader
System board w/audio
16 MB of RAM
5 Watt Speakers
Microphone

1.2 GB hard disk
Quad-speed CD-ROM reader
Network board
System board w/audio
16 MB of RAM
5 Watt Speakers
Microphone

PowerMate V100e
(100 MHz)

3 1/2-Inch diskette drive only
8 MB of RAM

3 1/2-inch diskette drive
635 MB hard disk or 1.2 GB
with 8 MB or 16 MB of RAM

3 1/2-inch diskette drive
635 MB hard disk
Network board
8 MB of RAM

3 1/2-inch diskette drive

1.2 GB hard disk
quad-speed CD-ROM reader
System board w/audio
16 MB of RAM
5 Watt Speakers
Microphone

3 1/2-inch diskette drive

1.2 GB hard disk
Quad-speed CD-ROM reader
Network board
System board w/audio
16 MB of RAM
5 Watt Speakers
Microphone

1-2 Technical Information

SYSTEM CHASSIS

The system chassis provides an enclosure for the system board, power supply, four
expansion slots, a five-connector PCI/ISA backboard, and four storage device slots. The
expansion slots include two 8-/16-bit ISA slots, one dedicated 32-bit PCI slot, and one
shared PCI/ISA (32-bit PCI or 8-/16-bit ISA) slot. For network-ready configurations, one
slot has a network board installed and the remaining slots are open. For multimedia
configurations without a network board, all slots are open. For multimedia configurations
with a network board, one slot has a network board and the remaining slots are open.

The four storage device slots accommodate up to three accessible devices and one internal
hard disk drive device. The accessible devices include the standard one-inch high 3 1/2­inch 1.44-MB diskette drive and up to two 1.6-inch high 5 1/4-inch storage devices. The
non-multimedia hard disk systems ship with an accessible 3 1/2-inch diskette drive and an
internal 3 1/2-inch hard disk drive, leaving two accessible 5 1/4-inch storage device slots
available for optional devices. The multimedia systems ship with an accessible 3 1/2-inch
diskette drive, an internal 3 1/2-inch hard disk drive, and an accessible 5 1/4-inch CD­ROM reader, leaving one accessible 5 1/4-inch storage device slot available for an optional
device.

Figure 1-1 shows front panel features and locations of the accessible storage devices in a
desktop system. Multimedia systems come with a CD-ROM reader installed in the top
accessible device slot.

3 1/2-Inch
Diskette Drive

System Controls
and Lamps

3 1/2-Inch Internal
Hard Drive Slot
(behind panel)

Figure 1-1 System Controls and Storage Device Slots

5 1/4-Inch Accessible
Device Slots

Power Button

SYSTEM BOARD

Key features of the system board include the following:

n Intel Pentium 75- or 100-MHz Pentium processor, depending on system

configuration

n 16-KB internal dual write-back cache integrated on the processor
n system Setup program built into the BIOS
n flash ROM for fast economical BIOS upgrades
n integrated input/output (I/O) controller with keyboard, diskette drive, and hard

disk drive controllers. Supports two serial ports and a parallel port.

n PCI local bus for fast data transfer
n support for Intel OverDrive™ processors
n 8-MB EDO RAM (16 MB in multimedia and multimedia/network

configurations, 1.2 GB hard disk configurations)

Technical Information 1-3

 ships with 32-bit, non-parity, 60-ns single-inline memory modules (SIMMs)
 RAM expandable up to 128 MB

n integrated graphics

 Peripheral Component Interconnect (PCI) graphical user interface (GUI)

accelerator and motion video playback controller using SiS 6205
Graphics and Video Accelerator

 standard 1-MB (two 256K x 16) video DRAM, expandable to 2 MB
 standard 1-MB video DRAM supports resolutions of 640 x 480 with up to

16.8 million colors, 800 x 600 with up to 64K colors, 1024 x 768 with up to
256 K colors, and 1280 x 1024 with up to 16 colors

n integrated sound (multimedia configurations only)

 ESS ES1788 Sound Blaster compatible chip on system board
 Yamaha OPL3 FM synthesis chip on system board
 built-in 16-bit stereo and FM synthesis
 Wavetable sound upgradeable
 3D sound effects

1-4 Technical Information

n two intelligent drive electronics (IDE) interface channels

 one fast IDE/PCI channel (primary connector) used by the hard disk drive to

transfer data at the hard disk’s optimum rate

 one standard IDE channel (secondary connector) for the CD-ROM reader
 supports up to four IDE devices, two to each channel

n power management for placing system in power save mode when idle for a

specified amount of time

n 3 1/2-inch, 1.44-MB diskette drive standard all configurations
n four expansion slots: two ISA, one PCI, and one shared ISA/PCI connectors
n external connectors for connecting the following external devices:

 VGA-compatible monitor (standard, super, high-resolution VGA)
 personal system/2 (PS/2®)-style mouse
 PS/2-style keyboard
 bidirectional Enhanced Parallel Port (EPP) and enhanced capabilities port

(ECP) are supported for a parallel printer

 serial devices through two buffered 16C550 UART serial ports, each

supporting up to 19.2 KB per second

 external speakers, microphone, and headphone connectors (multimedia and

network/multimedia configurations only)

n MIDI/joystick connector on the system board for installation of an optional

MIDI/joystick kit

n Audio Wave upgrade connector on the system board for installation of an

optional Wave upgrade.

Table Section 1-2 lists the major chips on the system board. See Appendix A, Connector
Pin Assignments, for a list of the system board connectors. See Appendix B, System Board
Jumpers, for a description of board jumpers.

Technical Information 1-5

Table Section 1-2 System Board Chips

Chip Description

P54C (CPGA) 75/50-MHz Intel Pentium processor

100/66-MHz Intel Pentium processor

SiS PCI/ISA Chip Set
5511
5512
5513

SMC FDC37C665 Integrated Plug and Play Ultra I/O controller
SiS 6205 PCI GUI graphics controller

U24 128k x 8 Flash ROM
SiS 5513

Toshiba CR2032 Coin Cell Battery
ESS ES1788 Sound Chip

(multimedia and multimedia/network systems
only)

Yamaha OPL3-L Synthesizer Chip
(multimedia and multimedia/network systems
only)

System controller
PCI/ISA cache memory controller
PCI local data buffer
PCI system I/O

Real-time clock
3 Volt Lithium CMOS battery (SMC 935)

Onboard PC sound system

Frequency modulated synthesizer

Processor

The PowerMate Ve series of computers use the following Pentium processors:

n PowerMate Ve75 — 75-MHz processor with internal speed of 75 MHz and

external speed of 50 MHz.

n PowerMate Ve100 — 100-MHz processor with internal speed of 100 MHz and

external speed of 66 MHz.

Each processor has 16 KB of write-back primary cache and a math coprocessor. The 16 KB
primary cache provides 8 KB for instructions and 8 KB for data.

The processor is an advanced pipelined 32-bit addressing, 64-bit data processor designed to
optimize multitasking operating systems. The 64-bit registers and data paths support 64-bit
addresses and data types.

The processor is compatible with 8-, 16-, and 32-bit software written for the Intel386™,
Intel486™, and Pentium processors.

To accommodate future technologies and work requirements, the Pentium processor comes
in a 320-pin zero insertion force (ZIF) socket. The socket provides an upgrade path to the
next generation processor.

1-6 Technical Information

Secondary Cache

The system board contains the connector for an optional 256 KB secondary cache, external
to the processor. The optional cache can be 15-ns asynchronous or 20-ns synchronous
pipeline burst.

Cache allows data to be sent or received from cache with one wait state burst. Cache
memory improves read performance by holding copies of code and data that are frequently
requested from the system memory by the processor. Cache memory is not considered part
of the expansion memory.

System and Video BIOS

The system and video BIOS are stored in a 1 MB (128 KB by 8) flash memory device
(Flash ROM). The system BIOS uses 64 KB, the video BIOS uses 32 KB, and 32 KB is
reserved. The system BIOS is capable of being shadowed and cached through the system’s
Setup utility (see Section 2 for Setup information). System BIOS is write protected and
automatically enabled.

The BIOS programs execute the Power-On Self-Test, initialize processor controllers, and
interact with the display, diskette drives, hard disks, communication devices, and
peripherals. The system BIOS also contains the Setup utility. The hardware setup default
copies the ROM BIOS into RAM (shadowing) for maximum performance.

The Flash ROM allows the system and video BIOS to be upgraded with the BIOS Update
utility, without removing the ROM (see Section 2 for further information on the BIOS
Update utility). The Flash ROM supports the reprogramming of the system BIOS and the
video BIOS.

The system memory map is shown in Table Section 1-3.

Table Section 1-3 System Memory Map

Memory Space Size Function

FFF80000-FFFFFFFF 512 KB BIOS ROM
04000000-07FFFFFF 64 MB L2 cache (Non-Cacheable with less than 512 KB

SRAM)

L1 cache (Cacheable)
01000000-03FFFFFF 48 MB Always cachable
00F00000-00FFFFFF 1 MB Optional memory space gap
00100000-00EFFFFF 14 MB Cachable
000F0000-000FFFFF 64 KB System BIOS (Shadowed in DRAM)

000C8000-000EFFFF 160 KB Expansion region (Shadowed in DRAM)

Technical Information 1-7

Table 1-3 System Memory Map

Memory Space Size Function

000C0000-000C7FFF 32 KB Video BIOS (Shadowed in DRAM)

000A0000-000BFFFF 128 KB Video Buffer (SMM space Non-Cacheable)

00080000-0009FFFF 128 KB Optional memory space gap (DOS Apps)

00000000-0007FFFF 512 KB DOS applications (No read/write protect) (Always

cacheable)

Power Management

Each system incorporates power management features that lower power consumption when
there is no activity detected from the keyboard, mouse, diskette drive, CD-ROM reader, or
hard disk drive after a pre-defined period of time. As soon as activity is detected the system
resumes where it left off.

With Power Management enabled (shipped enabled), the system automatically activates the
power-saving features and enters a suspend mode whenever inactivity is sensed.

I/O Addressing

The processor communicates with I/O devices by I/O mapping. The hexadecimal (hex)
addresses of I/O devices are listed in Table Section 1-4.

Table Section 1-4 I/O Address Map

Address (Hex) I/O Device Name

0000-000F DMA controller 1 (channel 0-3)
0020-0021 Interrupt controller 1
0040-0043 Timer 1
0048-004B Timer 2
0060 Keyboard controller data byte
0061 NMI status and speaker control
0064 Keyboard controller cmd/status byte
0070-007F Real-time clock, NMI mask
0080-008F DMA page registers
00A0-00A1 Interrupt controller 2
00C0-00DE DMA controller 2

00E0-00EF Reserved

1-8 Technical Information

Table Section 1-4 I/O Address Map

Address (Hex) I/O Device Name

00F0 Clear math coprocessor error

00F1 Reset math coprocessor
0F8-0FF Math coprocessor
170-177 Secondary IDE channel
1F0-1F7 Primary IDE channel
200, 202, 207 Game I/O
220-22F Sound port
238-23F Serial port 4 (used for remapping)
278-27F Parallel port 2
2B0-2DF Alternate EGA adapter
2F8-2FF Serial port 2
338-33F Serial port 3 (used for remapping)
370-375 Floppy cont. (secondary address)
376 Secondary IDE channel CMD port
377 Secondary IDE channel stat port
378-37F Parallel port 1
3B0-3BF Mono display & printer adapter
3C0-3CF EGA adapter
3D0-3DF CGA adapter
3F0-3F5, 3F7 Floppy controller (primary)
3F8-3FF Serial port 1

CF8-CFF PCI configuration space

System Memory

Non-multimedia systems come standard with 8 MB of EDO memory: 640 KB of base
memory and 7 MB of extended memory. All multimedia, 1.2 GB hard disk configurations,
come standard with 16 MB of EDO memory: 640 KB of base memory and 15 MB of
extended memory. System memory can be expanded up to 128 MB, using optional single
in-line memory modules (SIMMs) installed in SIMM sockets on the system board.

Four SIMM sockets are integrated on the system board. Non-multimedia systems ship with
two 4-MB SIMMs (8 MB total) installed in two sockets. The multimedia, 1.2 GB hard disk
configurations, ship with two 8-MB SIMMs (16 MB total) installed in two sockets.

Technical Information 1-9

The SIMM memory sockets accept 32-bit (non-parity) 4-, 8-, 16-, or 32-MB 70 ns SIMMs.
The SIMMs are 1 MB x 32 bit (4 MB), 2 MB x 32 bit (8 MB), 4 MB x 32 bit (16 MB), and
8 MB x 32 bit (32 MB). When the standard SIMMs are removed, four 32-MB SIMMs may
be installed for a total of 128 MB.

CAUTION: SIMMs must match the tin metal
plating used on the system board SIMM sockets.
When adding SIMMs, use tin-plated SIMMs.

SIMMs install directly in the four sockets on the system board. The four sockets are
assigned as SIMM 1 through SIMM 4. For non-multimedia configurations, the two
standard 4 MB SIMMs are installed in SIMM 1 and SIMM 2. For multimedia
configurations, the two standard 8 MB SIMMs are installed in SIMM 1 and SIMM 2.
SIMMs must be installed in pairs of the same memory type and speed. Jumpers are not
required to set memory size or type as the system BIOS automatically detects the SIMMs.
SIMM banks 1 and 2 must always be filled for the system to operate. Table Section 1-5
shows the SIMM memory upgrade path.

Table Section 1-5 SIMM Memory Upgrade Path

Total Memory SIMM 1 SIMM 2 SIMM 3 SIMM 4

8 MB 4 MB 4 MB Empty Empty
16 MB 4 MB 4 MB 4 MB 4 MB
16 MB 8 MB 8 MB Empty Empty
24 MB 4 MB 4 MB 8 MB 8 MB
24 MB 8 MB 8 MB 4 MB 4 MB
32 MB 8 MB 8 MB 8 MB 8 MB
32 MB 16 MB 16 MB Empty Empty
40 MB 4 MB 4 MB 16 MB 16 MB

40 MB 16 MB 16 MB 4 MB 4 MB
48 MB 8 MB 8 MB 16 MB 16 MB
48 MB 16 MB 16 MB 8 MB 8 MB
64 MB 16 MB 16 MB 16 MB 16 MB
64 MB 32 MB 32 MB Empty Empty
72 MB 4 MB 4 MB 32 MB 32 MB
72 MB 32 MB 32 MB 4 MB 4 MB

1-10 Technical Information

Table Section 1-5 SIMM Memory Upgrade Path

Total Memory SIMM 1 SIMM 2 SIMM 3 SIMM 4

80 MB 8 MB 8 MB 32 MB 32 MB
80 MB 32 MB 32 MB 8 MB 8 MB
96 MB 16 MB 16 MB 32 MB 32 MB
96 MB 32 MB 32 MB 16 MB 16 MB
128 MB 32 MB 32 MB 32 MB 32 MB

Interrupt Controller

The interrupt controller operates as an interrupt manager for the entire AT system
environment. The controller accepts requests from peripherals, issues interrupt requests to
the processor, resolves interrupt priorities, and provides vectors for the processor to
determine which interrupt routine to execute. The interrupt controller has priority
assignment modes that can be reconfigured at any time during system operations.

The interrupt levels are described in Table Section 1-6. Interrupt-level assignments 0
through 15 are in order of decreasing priority. See Section 2, Setup and Operation, for
information on changing the interrupts using Setup.

Table Section 1-6 Interrupt Level Assignments

Interrupt Priority Interrupt Device

IRQ00 System Timer
IRQ01 Keyboard
IRQ02 Audio (multimedia configurations only)
IRQ03 COM2
IRQ04 COM1
IRQ05 Audio (multimedia configurations only)

IRQ06 Diskette Drive Controller
IRQ07 Parallel Port LPT1

IRQ08 Clock/Calendar
IRQ09 Audio (multimedia configurations only)
IRQ10 Available
IRQ11 3C509B network adapter (NIC configurations only)

IRQ12 PS/2 mouse

Technical Information 1-11

Table Section 1-6 Interrupt Level Assignments

Interrupt Priority Interrupt Device

IRQ13 Coprocessor
IRQ14 Primary IDE
IRQ15 Secondary IDE

Integrated Graphics

The system has an SiS 6205 PCI local bus motion video playback controller and graphics
accelerator integrated on the system board. State of the art techniques are used for
optimizing performance in computer graphic intensive applications and graphical user
interfaces (GUI).

The integrated graphics controller integrates a motion video controller, a high-performance
GUI accelerator, 24-bit high frequency DAC and clock generator, VESA®-compliant
feature connector, and 1 MB of fast 64-bit DRAM (upgradeable to 2 MB).

Motion Video Controller

The motion video controller integrates a powerful Windows® GUI engine and unique
motion video playback hardware for superior performance. The graphics engine includes
an on-chip color space converter to accelerate decompression and a hardware scaler to
scale continuously from native size up to full screen at full speed. The graphics engine
delivers a full screen, smooth display of motion video data up to 30 frames per second
(fps). Support includes MPEG-1 (multimedia systems only) and Video for Windows.

MPEG is a compression/decompression standard developed by the Motion Picture Experts
Group. MPEG produces full-screen 30 fps, broadcast-quality digital video. The video
controller architecture maximizes the motion video performance and removes bandwidth
bottlenecks to display multimedia data at its full speed.

Graphics Accelerator

The graphics accelerator is specifically designed for graphics-intensive operations, text and
color pixel amplification, and scrolling. The graphics accelerator provides 64-bit, ultra­high performance for demanding True Color, High Color, and pseudocolor GUI and CAD
applications.

The accelerator minimizes bus traffic by off-loading the tasks normally performed by the
processor. The dedicated bit-block transfers (BitBLT) engine maximizes performance by
speeding the movement of large blocks of image data in video memory.

1-12 Technical Information

Video Memory

The system comes with 1 MB of on-board video DRAM, upgradeable to 2 MB. The
standard 1 MB DRAM consists of two 256K by 16 DRAM devices soldered to the system
board. The optional 1 MB of DRAM consists of two 256 KB by 16 modules that install in
two sockets on the system board.

With the standard 1 MB of video DRAM, the video hardware supports the following
resolutions, colors, and refresh rates:

n 1280 by 1024 pixels, 16 colors, 60 Hz
n 1024 by 768 pixels, 16/256 colors, 60 Hz, 70 Hz, 75 Hz, and 85 Hz
n 800 by 600 pixels, 16/256/64K colors, 56 Hz, 60 Hz, 72 Hz, 75 Hz, and 85 Hz
n 640 by 480 pixels, 16/256/64K/16 million colors, 60 Hz, 72 Hz, 75 Hz and 85 Hz

With 2 MB of video DRAM, the system supports the following additional resolutions,
colors, and refresh rates:

n 1280 by 1024 pixels, 256 colors, 60 Hz and 75 Hz
n 1024 by 768 pixels, 64K/16 million colors, 60 Hz, 70 Hz, 75 Hz and 85 Hz
n 800 by 600 pixels, 16 million colors, 56 Hz, 60 Hz, 72 Hz, 75 Hz, and 85 Hz
n 640 by 480 pixels, 16 million colors, 60 Hz, 72 Hz, 75 Hz, and 85 Hz.

ISA Bus

The system board uses the ISA bus for transferring data between the processor and I/O
peripherals and expansion boards. The ISA bus supports 16-bit data transfers and typically
operates at 8 MHz. ISA expansion slot connector pin assignments are provided in
Appendix A.

PCI Local Bus

The 32-bit PCI-bus is the primary I/O bus for the system. The PCI-bus is a highly­integrated I/O interface that offers the highest performance local bus available for the
Pentium processor. The bus supports burst modes that send large chunks of data across the
bus, allowing fast displays of high-resolution images.

The PCI-bus operates at half the Pentium’s processor speed, and supports memory transfer
rates of up to 105 MB per second for reads and up to 120 MB per second for writes,
depending on processor configuration.

The high-bandwidth PCI-bus eliminates the data bottleneck found in traditional systems,
maintains maximum performance at high clock speeds, and provides a clear upgrade path
to future technologies.

Technical Information 1-13

The PCI bus contains two embedded PCI devices, the PCI local bus IDE interface and the
PCI video/graphics controller.

PCI expansion slot connector pin assignments are provided in Appendix A.

PCI Auto Configuration

The system comes with a PCI auto configuration utility that operates in conjunction with
the system’s Setup utility. The utilities automatically configure interrupts, DMA channels,
I/O space, and other parameters to allow addition of PCI boards with minimal user
intervention. (See Section 2 for Setup information.)

PCI/IDE Ports

The system board provides two high-performance PCI/IDE ports: a primary channel and a
secondary channel. Each port supports up to two devices for a total of four IDE devices.
The primary PCI/IDE port has an enhanced IDE interface which supports 11.1 MB per
second 32-bit wide data transfers on the high-performance PCI local bus. The installed
hard disk drive is connected to the primary PCI/IDE port. The installed CD-ROM reader
(multimedia, multimedia/network and 1.2 GB hard disk systems only) is connected to the
secondary PCI/IDE port.

Parallel Interface

The system has a 25-pin parallel bidirectional enhanced parallel port on the system board.
Port specifications conform to the IBM-PC standards. The port supports Enhanced
Capabilities Port (ECP) and Enhanced Parallel Port (EPP) modes for devices that require
ECP or EPP protocols. The protocols allow high-speed bidirectional transfer over a parallel
port and increase parallel port functionality by supporting more devices.

The BIOS has automatic ISA printer port sensing. If the BIOS detects an ISA printer port
mapped to the same address, the built-in printer port is disabled. The BIOS also sets the
first parallel interface port it finds as LPT1 and the second port it finds as LPT2. The
interrupt is selected to either IRQ5 or IRQ7 via Setup. Software selectable base addresses
are 3BCh, 378h, and 278h.

I/O addresses and interrupts for the parallel port are given in Table Section 1-7.

NOTE: Any interrupts used for the built-in
parallel port are not available for ISA parallel
ports.

1-14 Technical Information

Table Section 1-7 Parallel Port Addressing and Interrupts

Starting I/O Address Interrupt Level Port

378 IRQ05 LPT1
278 IRQ05 LPT1 or LPT2
3BC IRQ07 LPT1 or LPT2
378 IRQ07 LPT1
278 IRQ07 LPT1 or LPT2
3BC IRQ07 LPT1 or LPT2

Parallel interface signals are output through the system board’s 25-pin, D-subconnector.
The connector is located at the rear of the system unit. Pin locations for the parallel
interface connector are given in Appendix A.

Serial Interface

The system has two 16C550 UART compatible serial ports (COM1 and COM2) integrated
on the I/O controller. The serial ports support the standard RS-232C interface (see Table
Section 1-8). The buffered high-speed serial ports supports transfer rates up to 19.2 KB.
These ports allow the installation of high-speed serial devices for faster data transfer rates.

I/O addresses and interrupt levels for the two channels are given Table Section 1-8. The
interrupt level is selectable via Setup to either IRQ3 or IRQ4. Software selectable base
addresses are 3F8h, 2F8h, 3E8h, and 2E8h.

NOTE: Any interrupts used for the built-in
serial ports are not available for ISA parallel
ports.

Table Section 1-8 Serial Port Addressing and Interrupts

Starting I/O Address Interrupt Level Port

3F8h IRQ04 COM1*
2F8h IRQ03 COM2
3E8h IRQ04 COM3
2E8h IRQ03 COM4

* Disabled if fax/modem installed

Technical Information 1-15

Serial interface specifications include:

n Baud rate up to 19.2 KB per second
n Word length - 5, 6, 7, or 8 bits
n Stop bit - 1, 1.5, or 2 bits
n Start bit - 1 bit
n Parity bit - 1 bit (odd parity or even parity).

Serial interface signals are output through the system board’s 9-pin, D-subconnector. The
connectors are located at the rear of the system unit. Pin locations for the serial interface
connector are shown in Appendix A.

POWER SUPPLY

The power supply is mounted inside the system unit. It supplies power to the system board,
option boards, diskette drives, hard disks, keyboard, and mouse. A fan inside the power
supply provides system ventilation. The power supply supplies 145 watts of power.
Connector locations are in Appendix A.

DISKETTE DRIVE

Up to two diskette drives are supported. The installed 3 1/2-inch diskette drive is connected
by a single ribbon cable with two drive connectors. The diskette drive cable plugs directly
into the system board. Typically both diskette drives are terminated. Connector locations
are given in Appendix A.

HARD DISK DRIVE

Up to two IDE hard drives are supported. The system board has two IDE/PCI interface
connectors (primary and secondary) for connecting various storage devices such as hard
disk drives. Each connector supports up to two IDE devices.

The system ships with one internal 3 1/2-inch hard disk drive (1-inch high, thin-height)
installed behind the front panel. The drive cable plugs into the primary (fast) connector on
the system board.

KEYBOARD

The PS/2-style 104 key keyboard is standard equipment for the system. The keyboard
provides a numeric keypad, separate cursor control keys, and 12 function keys, capable of
up to 48 functions. Status lamps on the keyboard indicate: Num (Numeric) Lock, Caps
(Capital) Lock, and Scroll Lock key status. The keyboard’s six-pin connector plugs into the
rear of the system. The keyboard connector pin assignments are given in Appendix A.

1-16 Technical Information

MOUSE

A PS/2-compatible mouse is standard equipment for the system. The mouse has a self­cleaning mechanism that prevents a buildup of dust or lint around the mouse ball and
tracking mechanism. The mouse’s six-pin connector plugs into the rear of the system. The
mouse connector pin assignments are given in Appendix A.

MULTIMEDIA COMPONENTS

Systems configured for multimedia come with audio integrated on the system board, a CD­ROM reader, a speaker set, and a microphone. The following briefly describes each.
Information on setting up and operating the speakers, microphone, and CD-ROM reader is
in Section 2, Setup and Operation.

Integrated Audio

Multimedia systems come with audio components integrated on the system board. Non­multimedia systems do not have the audio components on the system board. The audio
components include an ESS ES1788 Sound Blaster-compatible chip, a Yamaha OPL3 FM
synthesizer chip, and an SRS Labs Sound Retrieval System®. The system’s integrated
audio features the following:

n built-in 16-bit 128x oversampling Sigma-Delta Stereo Codec with 85dB S/N

ratio

n built-in five-channel 16/32 step MPC compatible stereo mixer with master

volume and sample rates up to 48 Hz stereo

n dual DMA channel and built-in FIFOs for full duplex simultaneous playback and

record in 16-bit stereo

n WaveBlaster upgradeable for Wavetable synthesis
n 3D sound effects
n 20 voice FM synthesis.

The integrated components are compatible with the Sound Blaster™ board and the
Microsoft® Windows Sound System™ board. The components work with the pre-installed
Voyetra AudioStation software.

Technical Information 1-17

CD-ROM Reader

The quad-speed IDE CD-ROM reader is pre-installed as drive E on multimedia and
multimedia/network configurations. The reader can be used to load programs from a CD or
it can be used to play audio CDs. The reader operates at different speeds depending on
whether the CD contains music or data. The reader is fully compatible with Kodak
Multisession Photo CDs™ and standard CDs. The reader is set as the master device on the
secondary IDE/PCI connector port.

Speakers

The multimedia systems come with 5 W high-quality Goldtron stereo speakers, an AC
adapter, and connecting wires. The speaker set features a volume control, power on/off
switch, power lamp, and a headphone jack. Volume is controlled from the speaker or from
the preinstalled sound system software. The speaker set connects to the speaker line out
jack on the back of the system.

Microphone

The microphone that comes with the multimedia systems allows recording of voice and
sound into computer data files. The microphone connects to the MIC jack located on the
back of the system. The microphone works in conjunction with the audio software shipped
with the system.

NETWORK BOARD

Network-ready systems are configured with an Ethernet 3C509B network interface board
(NIC). The network board allows connection to an Ethernet network and communication
with other computers. The network board has three connectors for coaxial and twisted-pair
network cabling:

n BNC connector — supports thin coaxial cables
n AUI connector — supports thick coaxial cables
n RJ-45 connector — supports twisted-pair 10BASE-T cables.

PLUG AND PLAY

The system comes with a Plug and Play BIOS which supports Plug and Play technology.
Plug and Play eliminates complicated setup procedures for installing Plug and Play
expansion boards. With Plug and Play, adding a Plug and Play expansion board is done by
turning off the system, installing the board, and turning on the system. There are no
jumpers to set and no system resource conflicts to resolve. Plug and Play automatically
configures the board.