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MPMC101
PMC SCSI-2 Adapter
User’s Manual
PMC101A/UM1
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Notice While reasonable efforts have been made to assure the accuracy of this document, Motorola, Inc. assumes no liability resulting from any omissions in this document, or from the use of the information obtained therein. Motorola reserves the right to revise this document and to make changes from time to time in the content hereof without obligation of Motorola to notify any person of such revision or changes. No part of this material may be reproduced or copied in any tangible mediu
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Preface The information in this manual is adapted from the 4520/5520 PCI SCSI-2 Adapter UserÕs Guide, Interphase part number UG05520-000. This manual describes the PCI and PMC SCSI-2 adapters, the installation of the adapters into a motherboard, and the installation of the PCI software drivers. Please note that only the MPMC101 Single-ended PMC SCSI-2 Adapter is currently supported by Motorola. The terminology and structure of this manual are directed to system adm
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Related Documentation The NCR 53C8XX ProgrammerÕs Reference Guide (part number J109311) is referenced in this document. You may purchase this document by contacting your local Motorola sales ofÞce. ¨ Motorola and the Motorola symbol are registered trademarks of Motorola, Inc. Interphase¨ is a registered trademark of Interphase Corporation, Inc. All other products mentioned in this document are trademarks or registered trademarks of their respective holders. © Copyright Motorola, Inc. 1
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Acronyms and Terminology The following acronyms and terminology are often used in this manual instead of the complete title or name: AEN Asynchronous Event Notification CCB Command Control Block CCS Command Control Set CDB Command Descriptor Block CPU Central Processing Unit DMA Direct Memory Access ISA Industry Standard Architecture LU Logical Unit LUN Logical Unit Number MIC Media Interface Connector PCI Peripheral Component Interface SCB SCSI Control Block SCSI Small Computer System In
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Conventions The following conventions are used in this manual. Computer-generated text is shown in typewriter font. Examples of computer-generated text are: program output (such as the screen display during the software installation procedure), commands, directory names, Þle names, variables, prompts, and sections of program code. Computer-generated text example Commands to be entered by the user are printed in bold courier type. For example: cd /usr/tmp Pressing the
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Safety Summary Safety Depends On You The following general safety precautions must be observed during all phases of operation, service, and repair of this equipment. Failure to comply with these precautions or with speciÞc warnings elsewhere in this manual violates safety standards of design, manufacture, and intended use of the equipment. Motorola, Inc. assumes no liability for the customer's failure to comply with these requirements. The safety precautions listed below repre
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This equipment generates, uses, and can radiate electro- ! magnetic energy. It may cause or be susceptible to WARNING electro-magnetic interference (EMI) if not installed and used in a cabinet with adequate EMI protection.
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Contents Adapter Overview 1-1 Product Features 1-2 Supported Software Drivers 1-3 System Requirements 1-3 PCI Overview 1-4 Introduction to SCSI-2 1-5 Overview 2-1 Tools Required 2-1 Unpacking the Adapter 2-2 Installing the PCI SCSI-2 Adapter 2-3 Installing the PMC SCSI-2 Adapter 2-9 Connecting to the SCSI Bus 2-13 AIX Operating Systems 3-1 Windows NT Operating Systems 3-2 Installing the Windows NT Driver 3-2 Overview 4-1 Start-up 4-1 Boot-up 4-2 Applications 4-3 PCI and PMC Adapter 4-3 Hardwa
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List of Figures PCI SCSI-2 Adapter 1-1 Single Initiator, Single Target Systems 1-5 Target with Multiple Peripherals 1-6 Multiple Device ConÞguration 1-7 Desktop PCI Slot ConÞguration 2-4 Expansion Backplate Removal 2-4 Single-ended PCI Adapter 2-5 Differential PCI Adapter 2-6 Inserting the PCI Adapter Card 2-7 Adapter Card Installed to Chassis 2-8 Differential PMC SCSI-2 Adapter 2-9 Single-ended PMC SCSI-2 Adapter 2-9 Installing the PMC Adapter 2-10 SCSI Connector Port 2-14 Windows NT Setup
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List of Tables PCI SCSI-2 Adapter Jumper Settings 2-6 PMC SCSI-2 Adapter Jumper Settings 2-12 Connector and Cable Requirements 2-13 Start-up Problems 4-1 Bootup Problems 4-2 Application Problems 4-3 PCI and PMC Adapter Problem 4-3 xi
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1Introduction 1 Adapter Overview Note Though this manual covers the PMC and PCI single-ended and differential SCSI-2 adapters, only the MPMC101 Single-ended PMC SCSI-2 Adapter is currently supported by Motorola. The PCI Adapter is a single slot, fast and wide SCSI-2 (Small Computer System Interface - 2) that provides high throughput connectivity for open systems applications. The PMC Adapter provides the same level of performance for workstations with embedded PMC (PCI Mezzanine
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Introduction 1 Combined with a 32-bit/33-MHz PCI (Peripheral Component Interconnect) interface into local CPU memory, the adapters provide a total wide and fast pathway for data, which is especially important for servers, image processing, high-speed networks, and other high performance peripherals. They are designed to operate within the framework of todayÕs open systems architectures by providing physical and data-link services as defined by the ANSI X3.131 specificat
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Supported Software Drivers 1 Supported Software Drivers The software drivers for the PCI and PMC Adapters are contained in the Windows NT 3.51 and the AIX 4.1 operating systems, respectively. Note The PMC Adapter and the PCI Adapter use the same software drivers. Whether the adapter is installed to a PCI slot (PCI Adapter) or to a PMC mezzanine slot (PMC Adapter), the selection of a driver is based upon the operating system in use by the host computer; not by the configur
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Introduction 1 PCI Overview Peripheral Component Interconnect (PCI) was developed by IntelÕs Architecture Lab, along with leading computer vendors, to overcome the bottlenecks associated with traditional 16-bit expansion slots, operating at 8 MHz, or essentially 5 megabytes per second. The result was a local bus system capable of transferring 32 bits of data at 33 MHz for a maximum data transfer rate of 132 megabytes per second. The PCI Local Bus takes peripherals off t
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Introduction to SCSI-2 1 Introduction to SCSI-2 SCSI (Small Computer System Interface) is an I/O bus protocol that provides high performance, peer-to-peer data communications for up to 16 devices, including one or more host computers. The main advantage for using SCSI-2 is that all the initialization information is stored within the SCSI-2 device. The hostÕs operating system can obtain all the pertinent information about the device without referencing external setup files or software
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Introduction 1 In a SCSI-2 system, a computer with a host-adapter serves as the primary initiator for all actions on the SCSI bus. All other devices connected to the bus are SCSI targets. Figure 1-2 above illustrates a simple configuration where a host computer is connected to a single target, a disk drive with an embedded SCSI controller. The controller can be a stand-alone device with multiple peripherals as shown in Figure 1-3. SCSI Controller Printers Host Computer Peripheral Peri
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Introduction to SCSI-2 1 The SCSI-2 architecture allows for multiple devices on the bus where more than one host computer can communicate with more than one target at a time. They can be daisy-chained together in a narrow configuration using a 50-conductor, 8-bit cable to connect up to 8 SCSI devices on the bus. A wide configuration expands the bus to a 68-conductor, 16-bit bus that can handle up to 16 SCSI devices. They can be intermixed on the same bus. Peripheral Host SCSI Comp
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Introduction 1 All SCSI devices are required to operate using asynchronous data transfers. Synchronous transfers are optional, and negotiated between the host and target during power-up. There are two electrical alternatives, single-ended and differential. They are electronically incompatible and can not be mixed on the same physical bus. Cable lengths up to 25 meters can be used for differential systems. Single-ended configurations can be up to 6 meters. The overall performance of the t
