User`s guide

Preface
This guide describes the AlphaPC64 Evaluation Board. The board is an
evaluation and development module for computing systems based on the
Alpha 21064A microprocessor.
Audience
This guide is written for system designers and others who use the AlphaPC64
to design or evaluate computer systems based on the Alpha 21064A
microprocessor.
Scope
This guide describes the features, configuration, functional operation, and
interfaces of the AlphaPC64. Additional information is available in the
AlphaPC64 schematics and program source files. Appendix D provides a list of
related documentation and technical support information.
Document Content
This guide contains the following chapters and appendixes:
• Chapter 1, AlphaPC64 Introduction, introduces the AlphaPC64, including
its components, uses, and features.
• Chapter 2, System Jumpers and Connectors, describes the user
environment configuration, board connectors and functions, jumper
functions and logic states; and identifies jumper and connector locations.
• Chapter 3, Functional Description, provides a functional description of
the board, including the DECchip 21072 chipset, Level 2 (L2) cache and
memory subsystems, systems interrupts, clock and power subsystems, and
PCI and ISA devices.
• Chapter 4, System Address Mapping, describes the mapping of the 34-bit
processor address space into memory and I/O space addresses.
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