LSI53C875 LSI Logic, LSI53C875 Datasheet - Page 15
LSI53C875
Manufacturer Part Number
LSI53C875
Description
PCI to Ultra SCSI I/O Processor
Manufacturer
LSI Logic
Datasheet
1.LSI53C875.pdf
(314 pages)
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Chapter 1
General Description
Chapter 1 is divided into the following sections:
This manual combines information on the LSI53C875 and LSI53C875E,
which are PCI to Ultra SCSI I/O Processors. The LSI53C875E is a minor
modification of the existing LSI53C875 product. It has all the functionality
of the LSI53C875 with the addition of features to enable it to comply with
the Microsoft PC 97 Hardware Design Guide. Specifically, the
LSI53C875E has a Power Management Support enhancement. Because
there are only slight differences between them, the LSI53C875 and
LSI53C875E are referred to as LSI53C875 throughout this technical
manual. Only the new enhancements are referred to as LSI53C875E.
This technical manual assumes the user is familiar with the current and
proposed standards for SCSI and PCI. For additional background
information on these topics, please refer to the list of reference materials
provided in the
The LSI53C875 brings high-performance I/O solutions to host adapter,
workstation, and general computer designs, making it easy to add SCSI
to any PCI system. The LSI53C875 has a local memory bus for local
storage of the device’s BIOS ROM in Flash memory or standard
EPROMs. Most versions of the LSI53C875 support big and little endian
byte addressing to accommodate a variety of data configurations. The
LSI53C875 supports programming of local Flash memory for updates to
BIOS or SCRIPTS™ programs.
LSI53C875/875E PCI to Ultra SCSI I/O Processor
Section 1.1, “Package and Feature Options”
Section 1.2, “Benefits of Ultra SCSI”
Section 1.3, “TolerANT
Section 1.4, “LSI53C875 Benefits Summary”
Preface
of this document.
®
Technology”
1-1
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