LSI S14037 User Manual

®

Symbios

SYM20810
PCI to SCSI
Host Adapter

User’s Guide

Version 1.1

Order Number S14037

®

Electromagnetic Compatibility Notices

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and

2. This device must accept any interference received, including interference that may cause undesired operation.
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15

of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a
residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed
and used in accordance with the instructions, may cause harmful interference to radio communications. However,
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful
interference to radio or television reception, which can be determined by turning the equipment off and on, the user
is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and the receiver.

• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Shielded cables for SCSI connection external to the cabinet are used in the compliance testing of this Product. LSI
Logic is not responsible for any radioortelevision interference caused by unauthorized modification of this equipment
or the substitution or attachment of connecting cables and equipment other than those specified by LSI Logic. The
correction of interferences caused by such unauthorized modification, substitution, or attachment will be the
responsibility of the user.



The LSI Logic Symbios

This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du

Canada.

SYM20810 is tested to comply with FCC standards for home or office use.

This is a Class B product based on the standard of the Voluntary Control Council for Interference from Information
Technology Equipment (VCCI). If this is used near a radio or television receiver in a domestic environment, it may
cause radio interference. Install and use the equipment according to the instruction manual.

LSI Logic Corporation
North American Headquarters
Milpitas, CA

408.433.8000

ii

This document contains proprietary information of LSI Logic Corporation. The
information contained herein is not to be used by or disclosed to third parties
without the express written permission of an officer of LSI Logic Corporation.

LSI Logic products are not intended for use in life-support appliances, devices,
or systems. Use of any LSI Logic product in such applications without written
consent of the appropriate LSI Logic officer is prohibited.

Document DB15-000134-00, Second Edition (December 1999)
This document describes Version 1.1 of LSI Logic Corporation’s SYM20810 PCI
to SCSI Host Adapter and will remain the official reference source for all
revisions/releases of this product until rescinded by an update.

To receive product literature, visit us at http://www.lsilogic.com

LSI Logic Corporation reserves the right to make changes to any products herein
at any time without notice. LSI Logic does not assume any responsibility or
liability arising out of the application or use of any product described herein,
except as expressly agreed to in writing by LSI Logic; nor does the purchase or
use of a product from LSI Logic convey a license under any patent rights,
copyrights, trademark rights, or any other of the intellectual property rights of LSI
Logic or third parties.

Copyright © 1997–1999 by LSI Logic Corporation. All rights reserved.
TRADEMARK ACKNOWLEDGMENT

LSI Logic logo design and Symbios are registered trademarks and SDMS is a
trademark of LSI Logic Corporation.

SR

iii

iv

Contents

Preface

Chapter 1 What is Covered in this Guide

1.1 Installation 1-3

1.2 Connecting Internal SCSI Devices 1-5

1.2.1 Completing the Installation 1-7

1.2.2 Connecting External SCSI Devices 1-7

1.2.3 SCSI Bus Termination 1-9

1.2.4 Setting SCSI IDs 1-11

1.3 Installing the Host Adapter Device Driver Software 1-12

1.3.1 DOS/Windows 1-12

1.3.2 Windows 95/Windows NT 1-12

1.3.3 OS/2 1-13

1.4 Troubleshooting 1-14

Figures

Customer Feedback

1.1 SYM20810 Board Outline 1-2

1.2 Inserting the Host Adapter 1-4

1.3 Internal SCSI Devices Chained Together 1-6

1.4 Multiple External Devices Chained Together 1-8

1.5 SCSI Bus Termination 1-10

Contents v

vi Contents

Audience

Preface

This book is the primary reference and User’s Guide for the LSI Logic
SymbiosSYM20810 PCI to SCSI Host Adapter. It contains a complete
functional description for the SYM20810 and includes complete physical
and electrical specifications for the SYM20810.

This document assumes that you have some familiarity with
microprocessors and related support devices. The people who benefit
from this book are:

• Engineers and managers who are evaluating the processor for

possible use in a system

• Engineers who are designing the processor into a system

Related Publications

SymbiosPCI SCSI Device Management System SDMS 4.0 User’s
Guide,

Revision Record

Revision Date Remarks

1.0 9/97 First official release.

1.1 12/99 Miscellaneous cosmetic/format changes from Symbios to LSI Logic.

Preface vii

LSI Logic Corporation, Order Number S14007

viii Preface

Chapter 1
What is Covered in this
Guide

This installation guide provides instructions and illustrations to help you
install a SymbiosSYM20810 PCI to SCSI host adapter. It covers the
following topics:

• Section 1.1, “Installation”

• Section 1.2, “Connecting Internal SCSI Devices”

• Section 1.3, “Installing the Host Adapter Device Driver Software”

• Section 1.4, “Troubleshooting”

The SYM20810 provides a low-cost SCSI solution for attaching SCSI
devices (disk drives, scanners, CD-ROM drives, tape drives, removable
media drives, etc.) to PCI computer systems with an ISA/EISA bracket
type. Figure 1.1 shows the major components and connections of the
SYM20810 host adapter.

The Symbios SCSI Device Management System (SDMS™) software
includes drivers and utilities for operating this host adapter in computers
running DOS/Windows, Windows 95, Windows NT, and OS/2.

Symbios SYM20810 PCI to SCSI Host Adapter 1-1

Figure 1.1 SYM20810 Board Outline

Internal

SCSI Interface

J2

P1

External
SCSI Interface
J3

SYM2081x, J1 to
PCI Mainboard

1-2 What is Covered in this Guide

1.1 Installation

Step 1. Before you begin the installation, switch off the power to the

Step 2. Remove the cover on your computer to access the PCI slots.

Step 3. Locate an unused expansion slot for installing the PCI to SCSI

Step 4. Remove the blank bracket panel on the back of the computer

Step 5. Remove the SYM20810 host adapter board from the antistatic

computer and any peripheral devices and disconnect all power
cords.

Caution: Before handling the SYM20810 board, ground yourself

using a ground strap attached to the computer metal frame.
Static charges on your body can damage electronic
components. Handle plug-in boards by the edge; do not
touch board components or gold connector contacts.

Refer to your computer documentation if necessary.

host adapter. Refer to your computer documentation if
necessary to locate the expansion slots.

that covers the slot you intend to use. Save the bracket screw.

bag and insert the edge connector into the PCI slot, as pictured
in Figure 1.2. Make sure the edge connector is properly aligned
before pressing the board into place. Apply even pressure to
both ends of the board while inserting it.

Installation 1-3

Figure 1.2 Inserting the Host Adapter

Bracket Screw

1-4 What is Covered in this Guide

1.2 Connecting Internal SCSI Devices

Step 1. If you are connecting an internal SCSI device, plug the 50-pin

connector cable on one end of the internal SCSI ribbon cable
into the connector J2 (see Figure 1.3). The ribbon cable
included in your SYM20810 host adapter kit is keyed to assure
that it can be easily connected.

Step 2. Plug the 50-pin connector on the other end of the ribbon cable

into the SCSI connector on your internal SCSI device.

Step 3. To attach more than one internal device, use a SCSI ribbon

cable with the required number of 50-pin connectors attached
along its length. Plug the cable connectors into the internal
SCSI device connectors, as illustrated in Figure 1.3.

Step 4. Terminate the SCSI bus as described in the Section 1.2.3,

“SCSI Bus Termination,” page 1-9.

Step 5. Make any required power connections to your internal SCSI

device(s).

Connecting Internal SCSI Devices 1-5

Figure 1.3 Internal SCSI Devices Chained Together

J2

1-6 What is Covered in this Guide

1.2.1 Completing the Installation

Step 1. The bracket around the end connector (J3) should fit where the

blank bracket panel was removed. Secure the bracket with the
bracket screw.

Step 2. Replace the cover as described in your computer

documentation.

1.2.2 Connecting External SCSI Devices

Step 1. If you need to connect external SCSI devices to the SYM20810

host adapter, plug the 50-pin connector on one end of a
shielded external SCSI cable into the host adapter SCSI
connector J3. This connector is now bracketed to the back
panel of your computer. Figure 1.4 shows how this connection
is made.

Step 2. Plug the 50-pin connector on the other end of the SCSI cable

into the SCSI connector on the peripheral device. This
connection is shown in Figure 1.4.

Step 3. If you wish to connect more than one device to the host

adapter, use shielded cables to chain them together as
illustrated in Figure 1.4.

Step 4. Terminate the SCSI bus as described in the section Section

1.2.3, “SCSI Bus Termination,” page 1-9.

Connecting Internal SCSI Devices 1-7

Figure 1.4 Multiple External Devices Chained Together

1-8 What is Covered in this Guide

1.2.3 SCSI Bus Termination

All SCSI devices have a set of resistors called terminators to assure
reliable operation of the SCSI bus. The first and last physical devices on
the SCSI bus must have these terminators enabled; all other SCSI
devices on the bus must have their terminators removed or disabled.
Termination on the SYM20810 host adapter is automatically enabled
when it is connected to the end of the bus. Refer to the SCSI device
documentation for information on how to identify and change the
terminator setting on each SCSI peripheral device.

Connecting Internal SCSI Devices 1-9

Figure 1.5 SCSI Bus Termination

Last Device
on Chain
Termination
Enabled

Host Adapter
Termination
Automatically
Disabled

Last Device
on Chain
Termination
Enabled

Does Not
End Chain
Termination
Disabled

1-10 What is Covered in this Guide

1.2.4 Setting SCSI IDs

Each device on the SCSI bus, including the host adapter, must have a
unique SCSI ID from 0 through 7. Refer to your peripheral device
documentation for instructions on how to determine and change the ID
of each peripheral device. The SCSI ID on the SYM20810 is 7.

Caution: The SYM20810 host adapter supports only Single-Ended

(SE) SCSI devices. Differential SCSI devices may be
damaged if you connect them to this host adapter. Refer to
your SCSI device documentation to make sure you are
connecting a SE device.

Connecting Internal SCSI Devices 1-11

1.3 Installing the Host Adapter Device Driver Software

The SYM20810 is supported by Symbios SDMS drivers for
DOS/Windows 3.x, Windows 95, Windows NT, and OS/2. Consult the
software documentation for complete installation instructions. The
Symbios SDMS driver/utility software and documentation for your
operating system can be downloaded from the LSI Logic web site
(www.lsilogic.com).

1.3.1 DOS/Windows

The Symbios SDMS driver for DOS runs under DOS 5.0 and above and
all versions of Windows 3.x. Consult the software documentation
(dos.txt) for specific installation instructions and descriptions of the
DOS/Windows 3.x drivers and utilities. Symbios SDMS software also
includes the following DOS/Windows utilities:

• DOS Installation Utility

• SCSI Low Level Format Utility

• Verify Utility

• SCSI Configuration Utility

1.3.2 Windows 95/Windows NT

Windows 95 and Windows NT (versions 3.51 and newer) have
embedded support for the SYM20810, so the driver is installed
automatically during setup. To add the SYM20810 to an existing system,
install the board according to the instructions in this guide, then restart
the computer. The operating system will automatically launch the “Add
New Hardware” wizard to install the driver. Follow these steps to make
sure that the driver software has been properly installed:

Step 1. From the Windows 95 Start menu, select Settings, then Control

Panel.

Step 2. From the Control Panel window, click the System icon. The

System Properties menu displays.
Step 3. Select the Device Manager.
Step 4. Click on the SCSI Controllers icon.

1-12 What is Covered in this Guide

1.3.3 OS/2

Step 5. The name of the driver for the SYM20810 is “Symbios

8100ASP, 2081x PCI SCSI Adapter; 53C810A Device.” If

this driver is not listed, follow the instructions in the Symbios

SDMS Windows 95 or Windows NT driver documentation. This

documentation can be found on the LSI Logic web site at

www.lsilogic.com.
Step 6. If there are no red X’s or yellow question mark icons next to the

listing for the SYM20810, the driver is loaded and ready to use.

Please keep in mind that Windows NT only displays the driver

information, not every controller found by the driver.
For information on how to change the Symbios driver in your system or

to add a driver to a Windows 95 or Windows NT system that is set up
with a different SCSI driver, refer to the LSI Logic

Device Management System SDMS 4.0 User’s Guide

documentation that accompanies the driver on your diskette or on the LSI
Logic web site. The file names are 95.txt for Windows 95 and
8xxnt.txt for Windows NT.

The Symbios SYM8XX.ADD device driver complies with the IBM OS/2
Adapter Device Driver specification, and works with third party
applications that comply with the same specification. For complete
installation instructions, refer to the OS2.txt file supplied with your
Symbios OS/2 SCSI driver software. The latest version of this driver and
the text file may also be found on the LSI Logic web site at
www.lsilogic.com.

Symbios PCI SCSI

or the software

Installing the Host Adapter Device Driver Software 1-13

1.4 Troubleshooting

During installation, no SCSI devices are found:

• Check the cable connections and the host bus adapter installation.

• Ensure that all devices are powered on and terminated correctly.

• Check that no devices have duplicate SCSI IDs.

• Make sure INT A is assigned for the PCI slot(s) where your SCSI

host adapter(s) are installed.

• Make sure the SCSI device driver is installed properly.

The computer hangs or locks up when booting and the SCSI devices
attached are not seen by the computer system:

• Make sure that all the SCSI devices are configured at different ID

numbers (the boot drive should have the lowest ID).

• Make sure both ends, but only the ends, of the SCSI bus are

terminated.

• (DOS, OS/2) Make sure the device driver is listed in CONFIG.SYS

(and loaded when booting).

The device driver does not see one of the SCSI devices:

• Reboot the computer.

• Make sure the SCSI devices have different ID numbers (the boot

drive should have the lowest ID).

• Make sure both ends, but only the ends, of the SCSI bus are

terminated.

• Check the cable and power connections.

1-14 What is Covered in this Guide

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Silicon Valley

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Wireless Design Center

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Colorado

Boulder

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Colorado Springs

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Fort Collins
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Florida

Boca Raton
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Georgia

Alpharetta
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Illinois

Oakbrook Terrace
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Kentucky

Bowling Green
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Maryland

Bethesda
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Massachusetts

Waltham

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Burlington - Mint Technology

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Minnesota

Minneapolis

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New Jersey

Red Bank
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Cherry Hill - Mint Technology
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New York

Fairport
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North Carolina

Raleigh
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Oregon

Beaverton
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Texas

Austin
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Plano

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Houston

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Canada
Ontario

Ottawa

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INTERNATIONAL
France

Paris

LSI Logic S.A.
Immeuble Europa

♦Tel: [phone]

Fax: [phone]

Germany

Munich

LSI Logic GmbH

♦Tel: [phone]

Fax: [phone]
Stuttgart

Tel: [phone]
Fax: [phone]

Italy

Milano

LSI Logic S.P.A.

♦Tel: [phone]

Fax: [phone]

Japan

Tokyo

LSI Logic K.K.

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Fax: [phone]
Osaka

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Korea

Seoul

LSI Logic Corporation of
Korea Ltd

Tel: [phone]
Fax: [phone]

The Netherlands

Eindhoven

LSI Logic Europe Ltd

Tel: [phone]
Fax: [phone]

Singapore

Singapore

LSI Logic Pte Ltd

Tel: [phone]
Fax: [phone]

Tel: [phone]
Fax: [phone]

Sweden

Stockholm

LSI Logic AB

♦Tel: [phone]

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Taiwan

Taipei

LSI Logic Asia, Inc.
Taiwan Branch

Tel: [phone]
Fax: [phone]

United Kingdom

Bracknell

LSI Logic Europe Ltd

♦Tel: [phone]

Fax: [phone]

♦Sales Offices with

Design Resource Centers

International Distributors

Australia

New South Wales

Reptechnic Pty Ltd

♦Tel: [phone]

Fax: [phone]

Belgium
Acal nv/sa

Tel: [phone]
Fax: [phone]

China

Beijing

LSI Logic International
Services Inc.

Tel: [phone]
Fax: [phone]

France

Rungis Cedex

Azzurri Technology France

Tel: [phone]
Fax: [phone]

Germany

Haar

EBV Elektronik

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Fax: [phone]

Munich

Avnet Emg GmbH

Tel: [phone]
Fax: [phone]

Wuennenberg-Haaren

Peacock AG

Tel: [phone]
Fax: [phone]

Hong Kong

Hong Kong

AVT Industrial Ltd

Tel: [phone]
Fax: [phone]

EastEle

Tel: [phone]
Fax: [phone]

India

Bangalore

Spike Technologies India
Private Ltd

♦Tel: [phone]

Fax: [phone]

Israel

Tel Aviv

Eastronics Ltd

Tel: [phone]
Fax: [phone]

Japan

Tokyo

Global Electronics
Corporation

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Fax: [phone]
Technical Center
Tel: [phone]

Yokohama-City

Macnica Corporation

Tel: [phone]
Fax: [phone]

The Netherlands

Eindhoven

Acal Nederland b.v.

Tel: [phone]
Fax: [phone]

Switzerland

Brugg

LSI Logic Sulzer AG

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Fax: [phone]

Taiwan

Taipei

Avnet-Mercuries
Corporation, Ltd

Tel: [phone]
Fax: [phone]

Lumax International
Corporation, Ltd

Tel: [phone]
Fax: [phone]

Prospect Technology
Corporation, Ltd

Tel: [phone]
Fax: [phone]

Serial Semiconductor
Corporation, Ltd

Tel: [phone]
Fax: [phone]

United Kingdom

Maidenhead

Azzurri Technology Ltd

Tel: [phone]
Fax: [phone]

Swindon

EBV Elektronik

Tel: [phone]
Fax: [phone]

♦Sales Offices with

Design Resource Centers