NEC LS2400 User manual

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User’s Guide
Server LS2400

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Proprietary Notice and Liability Disclaimer
The information disclosed in this document, including all designs and
related
materials, is the valuable property of NEC Computer Systems Division,
Packard Bell NEC, Inc. (hereinafter “NECCSD”) and/or its licensors.
NECCSD 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 NECCSD 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 NECCSD.
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
NECCSD is prohibited.
Trademarks
INTEL is a registered trademark of Intel Corporation.
MS-DOS is a registered trademark of Microsoft Corporation.
Pentium is a registered trademark of Inter Corporation.
All other product, brand, or trade names used in this publication are the trademarks or
registered trademarks of their respective trademark owners.
PN: 904475 4/98

Using This Guide xiii
Using This Guide
The LS2400 User’s Guide provides a quick
reference to information about your system. Its
goal is to familiarize you with your system and the
tasks necessary for system configuring and
upgrading.
This guide contains the following information:
 Chapter 1, “System Overview” provides an
overview of your system and describes your
system’s major system components. See this
chapter to familiarize yourself with your system.
 Chapter 2, “Setting Up Your System” tells you
how to select a site, unpack the system, make
cable connections, and power on your system.
 Chapter 3, “Configuring Your System” tells you
how to configure the system and provides
instructions for running the BIOS Setup Utility
and the Symbios Configuration Utility, which is
used to configure SCSI devices in your system.
This chapter also provides information on
system board jumper settings.
 Chapter 4, “Upgrades and Options” provides
you with instructions for upgrading your
system with an additional processor, optional
memory, options cards, and peripheral devices.
 Chapter 5, “Problem Solving” contains helpful
information for solving problems that might
occur with your system.

xiv Using This Guide
 Appendix A, “System Cabling” includes cabling
information for the two onboard SCSI
controllers and the onboard IDE controllers.
 Appendix B, “System Setup Utility” provides
information for configuring onboard resources
and add-in boards. It also provides information
on viewing the system event log.
 Appendix C, “Emergency Management Port
Console” provides information on a feature that
provides an interface to the Emergency
Management Port (EMP) Console Manager. This
interface allows remote server management via
a modem or direct connection.
 “Glossary” defines the standard acronyms and
technical terms used in this manual.
 “Equipment Log” provides you with a sample
equipment log for documenting the system
configuration and future updates you may
make to your system.

Using This Guide xv
Text Conventions
This guide uses the following text conventions.
Warnings, cautions, and notes have the following
meanings:
!
WARNING
Warnings alert you to situations that could
result in serious personal injury or loss of
life.
!
CAUTION
Cautions indicate situations that can
damage the system hardware or software.
Note: Notes give important
information about the material
being described.
 Names of keyboard keys are printed as they
appear on the keyboard. For example, Ctrl, Alt,
or Enter.
 Text or keystrokes that you enter appear as
boldface type. For example, type abc123 and
press ENTER.
 File names are printed in uppercase letters. For
example, AUTOEXEC.BAT.

xvi Using This Guide
Related Documents
In addition to this guide, the following system
documentation is included with your server either
as electronic files on EXPRESSBUILDER or as paper
copy shipped with your server.
 System Release Notes
Release Notes provide you with the latest
information about your system. This
information was not available at the time your
user’s guide was developed.
 Getting Started Sheet
The Getting Started Sheet provides several
easy-to-follow steps to become familiar with
your server documentation and to complete
your installation successfully.
 Network Operating System Configuration Guide
This guide contains supplemental instructions
needed to install and configure your server
Windows NT v4.0, Novell NetWare v3.12, Novell
NetWare v4.11, and Santa Cruz Operation
(SCO) OpenServer Release 5.04 Network
Operating Systems. This document is intended
to complement the more detailed procedural
documents available from the vendor of the
network operating system.

Using This Guide xvii
Safety Notices
!
 Caution: To reduce the risk of electric shock
which could cause personal injury, follow all
safety notices. The symbols shown are used in
your documentation and on your equipment to
indicate safety hazards.
 Warning: Lithium batteries can be dangerous.
Improper handling of lithium batteries may
result in an explosion. Dispose of lithium
batteries as required by local ordinance or as
normal waste if no local ordinance exists.
 Warning: The detachable power supply cord is
intended to serve as the disconnect device.
 Warning: This equipment has a 3-wire,
grounded power cord. To prevent electrical
hazards, do not remove or defeat the ground
prong on the power cord. Replace the power
cord if it gets damaged. Contact your dealer for
an exact replacement.

xviii Using This Guide
 Warning: The DC push-button on/off switch on
the front panel does not turn off the system AC
power. Also, +5vdc is present on the system
board whenever the AC power cord is connected
between the system and an AC outlet. Before
doing the procedures in this manual, make sure
that your system is powered off and unplug the
AC power cord from the back of the chassis.
Failure to disconnect power before opening your
system can result in personal injury and
equipment damage.
In the U.S.A. and Canada, the power cord must be
a UL-listed detachable power cord (in Canada,
CSA-certified), type ST or SJT, 16 AWG, 3-
conductor, provided with a molded-on NEMA type
5-15 P plug cap at one end and a molded-on cord
connector body at the other end. The cord length
must not exceed 9 feet (2.7 meters).
Outside the U.S.A. and Canada, the plug must be
rated for 250 VAC, 10 amp minimum, and must
display an international agency approval marking.
The cord must be suitable for use in the end-user
country. Consult your dealer or the local electrical
authorities if you are unsure of the type of power
cord to use in your country. The voltage change
occurs via a switch in the power supply.

Using This Guide xix
 Warning: Under no circumstances should the
user attempt to disassemble the power supply.
The power supply has no user-replaceable
parts. Inside the power supply are hazardous
voltages that can cause serious personal injury.
A defective power supply must be returned to
your dealer.

xx Using This Guide
Safety Notices for Users Outside of the
U.S.A. and Canada
 PELV (Protected Extra-Low Voltage)
Integrity: To ensure the extra-low voltage
integrity of the equipment, connect only
equipment with mains-protected electrically-
compatible circuits to the external ports.
 Remote Earths: To prevent electrical shock,
connect all local (individual office) computers
and computer support equipment to the same
electrical circuit of the building wiring. If you
are unsure, check the building wiring to avoid
remote earth conditions.
 Earth Bonding: For safe operation, only
connect the equipment to a building supply that
is in accordance with current wiring regulations
in your country. In the U.K., those regulations
are the IEE.

Using This Guide xxi
Care and Handling
Use the following guidelines to properly handle
and care for your system.
Protect the system from extremely low or high
temperatures. Let the system warm (or cool)
to room temperature before using it.
Keep the system away from magnetic forces.
Keep the system dry. Do not wash the
system with a wet cloth or pour fluid
into it.
Protect the system from being bumped
or dropped.
Check the system for condensation. If
condensation exists, allow it to
evaporate
before powering on the system.
Keep the system away from dust, sand,
and dirt.

1
System Overview
 Overview
 System Chassis
 Power Supply
 Peripheral Bays
 Diskette Drive
 System Board Features
 System Security

1-2 System Overview
Overview
This server is a modular, multiprocessing server based on
the IntelPentium® II chip set. The combination of
compute performance, memory capacity, and integrated
I/O provides a high performance environment for many
server market applications. These range from large
corporations supporting remote offices to small companies
looking to obtain basic connectivity capability such as file
and print services, e-mail, web access, web site server, etc.
System Front View

System Overview 1-3
As application requirements increase, you can expand your
server with an additional processor, additional memory,
add-in boards and peripheral devices: tape devices, CD-
ROM, diskette drives and hard disk drives.
Your server features the following major components:
 Single or dual high-performance Pentium II processors
packaged in Single Edge Connector (SEC) cartridges
 32 MB to 1 GB of memory, using up to four DIMMs
 Four PCI expansion slots for add-in boards (one slot
shared with an ISA slot). 1x32 bit PCI bus.
 Two ISA expansion slots for add-in boards (one slot
shared with a PCI slot). Embedded PC-compatible
support (serial, parallel, mouse, keyboard, diskette, and
Plug and Play features).
 Integrated onboard Cirrus Logic CL-GD5480 Super Video
Graphics Array (SVGA) controller.
 Symbios SYM53C875 dual function SCSI controller
providing ultra wide and legacy narrow SCSI interfaces
 Integrated onboard Network Interface Controller (NIC), an
Intel 82558 PCI LAN controller for 10 or 100 Mbps TX
Fast Ethernet networks. RJ-45 Ethernet connector.
 Dual Channel enhanced IDE controller including
integrated CD-ROM and 1.44MB diskette drive
 Four hard disk expansion bays
 Three removable media expansion bays.

1-4 System Overview
System Chassis
The system chassis is an easy-to-expand, fabricated metal
structure. The major system components are shown in this
illustration.
System Chassis
A. Removable Media Bays (3)
B. 1.44 MB 3.5" diskette drive
C. System Board
D. Speaker
E. Power supply
F. Disk Drive Bays (4)
G. Fan (behind disk drive bays)
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System Overview 1-5
Power Supply
The 260 watt power supply is switch-selectable for 115 or
230 Vac at an operating frequency of 50/60 Hz. It is
designed to comply with existing emissions standards and
provides sufficient power for a fully loaded system
configuration. The power supply voltage selection switch is
factory set to 115Vac for systems used in the United States;
it is set to 230Vac for systems used in Europe.
Peripheral Bays
The system supports a variety of standard PC AT-
compatible peripheral devices. The chassis includes these
peripheral bays:
 A 3.5-inch front panel bay for a 3.5" diskette drive
 5.25-inch front panel bays for mounting 3 half-height
5.25-inch peripheral devices: tape drive, or CD ROM
drive (not a hard disk drive)
 Internal hard disk drive bays for mounting four hard
disk drives.
Diskette Drive
The system includes a 3.5" diskette drive installed in a
front panel bay. The drive supports 720 KB and 1.44 MB
diskette media.

1-6 System Overview
System Board Features
The system board offers a “flat” design with the processor
and memory subsystems residing on the board. This figure
shows the major components on the system board. The
following subsections describe the system board major
components.
System Board
A. Secondary processor connector O. Narrow SCSI connector
B. Primary processor connector P. Wide SCSI connector
C. Heatsink fan connectors Q. Memory DIMM sockets
D. Main power connector R. PCI slots for add-in boards
E. Diskette drive connector S. ISA slots for add-in boards
F. Front panel power LED connector T. Intrusion alarm connector
G. Speaker connector U. USB connector
H. Front panel hard disk drive LED
connector V. RJ-45 network controller connector
I. Front panel power switch connector W. Serial port B (COM 2) connector
J. Lithium backup battery X. VGA monitor port connector
K. System fan connector Y. Parallel port connector
L. IDE connectors, primary and Z. Serial A (COM 1) connector
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System Overview 1-7
secondary
M. Configuration jumper blocks AA. Keyboard and Mouse PS/2 compatible connectors
N. Server management connector
Pentium II Processor
Depending on system configuration, each system includes
one or two Pentium II processors. Each Pentium II
processor is packaged in a Single Edge Contact (S.E.C.)
cartridge. The cartridge includes the processor core with
an integrated 16 KB primary (L1) cache; the secondary (L2)
cache; a thermal plate; and a back cover.
The processor implements the MMX™technology and the
processor’s numeric coprocessor significantly increases the
speed of floating-point operations.
Each processor cartridge connects to the system board
through a 242-pin edge connector. The cartridge is secured
by a retention module attached to the system board.
The processor external interface is MP-ready and operates
at 100 MHz. The second-level cache is located on the
substrate of the S.E.C. cartridge. The cache includes burst
pipelined synchronous static RAM (BSRAM). The L2 cache
is offered in 512 KB configurations only, with error
correcting code (ECC) that operates at half the core clock
rate.
System Memory
The system board contains four 168-pin DIMM sockets.
Memory is partitioned as four banks of SDRAM DIMMs,
each providing 72 bits of noninterleaved memory (64-bit
main memory plus ECC):
Your system may include from 32 MB to 1 GB of memory,
using up to four DIMMs.

1-8 System Overview
System memory begins at address 0 and is continuous (flat
addressing) up to the maximum amount of DRAM installed
(exception: system memory is noncontiguous in the ranges
defined as memory holes using configuration registers).
The system supports both base (conventional) and extended
memory.
I/O Expansion Slots
The server's expansion capabilities meet the needs of file
and application servers for high performance I/O by
providing a combination of PCI local bus and ISA
connectors.
The system board has two full-length ISA bus connectors.
One of the connectors shares a chassis expansion slot with
a PCI connector. ISA features:
 Bus speed up to 8.33 MHz
 16-bit memory addressing
 Type A transfers at 5.33 Mbps
 Type B transfers at 8 Mbps
 8- or 16-bit data transfers
 Plug and Play ready
The system board has four full-length PCI connectors. One
of the connectors shares a chassis expansion slot with an
ISA connector. PCI features:
 Bus speed up to 33 MHz
 32-bit memory addressing
 5 V signaling environment
 Burst transfers of up to 133 Mbps
 8-, 16-, or 32-bit data transfers
 Plug and Play ready