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®
Symbios SYM20810
PCI to SCSI
Host Adapter
User’s Guide
Version 1.1
®
Order Number S14037
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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 prote
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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 (Decemb
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iv
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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 Customer Feedback Figures 1.1 SYM20810 Board Outline 1-2 1.2 Inserting the Host Adap
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vi Contents
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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. Audience 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 sy
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viii Preface
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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, tap
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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
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1.1 Installation Step 1. Before you begin the installation, switch off the power to the 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. Step 2. Remove the cover on your computer to access the PCI slots. Re
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Figure 1.2 Inserting the Host Adapter Bracket Screw 1-4 What is Covered in this Guide
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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
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Figure 1.3 Internal SCSI Devices Chained Together J2 1-6 What is Covered in this Guide
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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
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Figure 1.4 Multiple External Devices Chained Together 1-8 What is Covered in this Guide
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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 t
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Figure 1.5 SCSI Bus Termination Last Device on Chain Termination Enabled Host Adapter Does Not Termination End Chain Automatically Termination Disabled Disabled Last Device on Chain Termination Enabled 1-10 What is Covered in this Guide
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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 s
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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. Co
