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Preface iii
Preface
This book is the primary reference and technical manual for the
LSI53C875A PCI to Ultra SCSI Controller. It contains a complete
functional description for the product and also includes complete physical
and electrical specifications.
Audience
This manual provides reference information on the LSI53C875A PCI to
Ultra SCSI Controller. It is intended for system designers and
programmers who are using this device to design an Ultra SCSI port for
PCI-based personal computers, workstations, servers or embedded
applications.
Organization
This document has the following chapters and appendixes:
• Chapter 1, General Description includes general information about
the LSI53C875A.
• Chapter 2, Functional Description describes the main functional
areas of the chip in more detail, including interfaces to the SCSI bus
and external memory.
• Chapter 3, Signal Descriptions contains pin diagrams and signal
descriptions.
• Chapter 4, Registers describes each bit in the operating registers,
and is organized by register address.
• Chapter 5, SCSI SCRIPTS Instruction Set defines all of the SCSI
SCRIPTS instructions that are supported by the LSI53C875A.