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®
Symbios SYM8953U
PCI to Ultra2 SCSI
Host Adapter
User’s Guide
December 1999
Version 1.0
®
Order Number S14036
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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 DB15-000133-00, First Edition (Decem
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iv
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Contents Chapter 1 Using the SYM8953U Host Adapter 1.1 General Description 1-1 1.2 Features 1-2 1.2.1 PCI Interface 1-2 1.2.2 SCSI Interface 1-2 1.2.3 Board Characteristics 1-3 1.3 Interface Descriptions 1-3 1.3.1 The PCI Interface 1-4 1.3.2 The SCSI Interface 1-4 1.3.3 Ultra2 SCSI Technology 1-5 1.3.4 LVD Link Technology 1-5 1.3.5 On-Board LED 1-6 Chapter 2 Installing the SYM8953U Host Adapter 2.1 Quick Installation Procedure 2-1 2.2 Detailed Installation Procedure 2-3 2.2.1 Before You Start 2-
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3.2 The Symbios SCSI BIOS Configuration Utility Menus 3-3 3.2.1 Using the Menus 3-3 3.2.2 Main Menu 3-4 3.2.3 Adapter Properties Menu 3-6 3.2.4 Device Properties Menu 3-10 3.2.5 Boot Adapter List Menu 3-15 3.2.6 Global Properties Menu 3-18 3.2.7 Exit Menu 3-20 Appendix A Technical Specifications A.1 Physical Environment A-1 A.1.1 Physical Characteristics A-1 A.1.2 Electrical Characteristics A-2 A.1.3 Thermal, Atmospheric Characteristics A-3 A.1.4 Electromagnetic Compliance A-3 A.1.5 Safety Chara
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2.7 Multiple Internal SCSI Devices Chained Together 2-13 2.8 SCSI LED Connector 2-14 2.9 External Cable to Host Adapter 2-15 2.10 External SCSI Device Cable 2-16 2.11 Multiple External SCSI Devices Chained Together 2-17 2.12 Internal SCSI Device Termination 2-19 2.13 External SCSI Device Termination 2-20 2.14 Internal and External SCSI Device Termination 2-21 3.1 Main Menu 3-5 3.2 Adapter Properties Menu 3-7 3.3 Device Properties Menu (Left Half) 3-11 3.4 Device Properties Menu (Right Half) 3-12
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viii Contents
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Preface This book is the primary reference and user’s guide for the LSI Logic ® Symbios SYM8953U PCI to Ultra2 SCSI Host Adapter. It contains a complete functional description for the SYM8953U as well as complete physical and electrical specifications. Audience This document assumes that you have some familiarity with SCSI protocol and related support devices and will benefit persons installing and using the SYM8953U Host Adapter Board. Organization • Chapter 1, Using the SYM8953U Host Adapter,
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Related Publications ® Symbios PCI SCSI Device Management System SDMS™ 4.0 User’s Guide, LSI Logic Corporation, Order Number S14007 ® Symbios SYM53C895A PCI to Ultra2 SCSI Controller Technical Manual, LSI Logic Corporation, Order Number S14028 xPreface
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3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc Chapter 1 Using the SYM8953U Host Adapter 12 pc 12.938 pc 13.851 pc This chapter describes the SYM8953U Host Adapter interface to PCI computer systems and includes these topics: • Section 1.1, “General Description,” page 1-1 • Section 1.2, “Features,” page 1-2 • Section 1.3, “Interface Descriptions,” page 1-3 1.1 General Description ® The LSI Logic Corporation Symbios SYM8953U PCI to Ultra2 SCSI Host Adapter board provides an Ultra2 SCSI interf
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3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc the actions of the SCSI and DMA cores. The SCRIPTS processor executes complex SCSI bus sequences independently of the host CPU. For more information on the SCSI SCRIPTS Instruction Set used to write these algorithms, refer to the Symbios SYM53C895A PCI to Ultra2 SCSI Controller Technical Manual. This user’s guide, along with the Symbios PCI SCSI Device Management System SDMS 4.0 User’s Guide, contains a complete library of product information a
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3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc • Contains external 68-pin High Density (HD) and internal 68-pin HD latching connectors • Performs wide Ultra2 SCSI LVD synchronous transfers up to 80 Mbytes/s • Supports SCSI synchronous offset up to 31 • Provides SCSI termination power (TERMPWR) source with autoresetting circuit protection device • Supports SCSI Configured AutoMatically (SCAM) Level 1 Capability (Set “OFF” by default) • Utilizes flash ROM for BIOS storage for up to 256 Kbytes
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3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc 1.3.1 The PCI Interface PCI, a high-speed standard local bus, interfaces I/O components to the processor and memory subsystems in equipment ranging from PCs to servers. The PCI functionality for the SYM8953U is contained within the Symbios SYM53C895A PCI to Ultra2 Controller with LVD Link Universal Transceivers. The SYM53C895A connects directly to the PCI bus and generates signal timing and bus protocol in compliance with the PCI Specification
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3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc 1.3.3 Ultra2 SCSI Technology The SYM8953U fully supports Ultra2 SCSI. Ultra2 SCSI is an extension of the SCSI Parallel Interface 2 and 3 (SPI-2 and SPI-3) family of standards. SCSI2 expands the bandwidth of the SCSI bus, allowing faster synchronous data transfers. For the internal bus, special impedance SCSI ribbon cables are specified for operation with Ultra and Ultra2 SCSI devices. You must consider the total length of the bus cables and the
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3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc integration of I/O transceivers into the chip. LVD provides the reliability of HVD SCSI without the added cost of external differential transceivers. Ultra2 SCSI with LVD allows a longer SCSI cable and more devices on the bus, using the same cables defined in the SCSI-3 parallel Interface (SPI-2) standard for Ultra SCSI. Important: To utilize Ultra2 SCSI performance, you must only have LVD devices on the bus. Do not mix any SE devices with LVD
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3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc Chapter 2 Installing the SYM8953U Host Adapter 12 pc 12.938 pc 13.851 pc This chapter provides instructions on how to install the SYM8953U Host Adapter and includes these topics: • Section 2.1, “Quick Installation Procedure,” page 2-1 • Section 2.2, “Detailed Installation Procedure,” page 2-3 • Section 2.3, “Completing the Installation,” page 2-24 2.1 Quick Installation Procedure This section provides an overview of the installation procedure.
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3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc electronic components. Handle plug-in boards by the edge; do not touch board components or gold connector contacts. The use of a static ground strap is recommended. Step 5. Locate the slots for installing a PCI plug-in board. The SYM8953U requires a PCI slot that allows bus master operation. See Figure 2.2. Step 6. Remove the blank bracket panel on the back of the computer aligned with the PCI slot you intend to use. Save the bracket screw for
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3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc Remember: The SCSI bus requires proper termination, and no duplicate SCSI IDs. 2.2 Detailed Installation Procedure This section provides step-by-step instructions for installing the SYM8953U host adapter board, and connecting it to your SCSI peripherals. If you are experienced in these tasks, you may prefer to use Section 2.1, “Quick Installation Procedure.” 2.2.1 Before You Start Before starting, look through the following task list to get an
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3.75 pc 10.25 pc 11.25 pc 38.25 pc 34.5 pc 4.333 pc 2.2.2 Inserting the Host Adapter For safe and proper installation, you will need the user’s manual supplied with your computer for reference. Perform the steps listed below to install the SYM8953U. Step 1. Ground yourself before removing this host adapter board. Step 2. Remove the SYM8953U PCI to Ultra2 SCSI Host Adapter board from the packing and check that it is not damaged. An example of this host adapter board is shown in Figure 2.1. A more
