Compaq EV67 User Manual
Alpha 21264/EV67 Hardware Reference Manual
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Preface
Audience
This manual is for system designers and programmers who use the Alpha 21264/EV67
microprocessor (referred to as the 21264/EV67).
microprocessor (referred to as the 21264/EV67).
Content
This manual contains the following chapters and appendixes:
Chapter 1, Introduction, introduces the 21264/EV67 and provides an overview of the
Alpha architecture.
Alpha architecture.
Chapter 2, Internal Architecture, describes the major hardware functions and the inter-
nal chip architecture. It describes performance measurement facilities, coding rules, and
design examples.
nal chip architecture. It describes performance measurement facilities, coding rules, and
design examples.
Chapter 3, Hardware Interface, lists and describes the internal hardware interface sig-
nals, and provides mechanical data and packaging information, including signal pin
lists.
nals, and provides mechanical data and packaging information, including signal pin
lists.
Chapter 4, Cache and External Interfaces, describes the external bus functions and
transactions, lists bus commands, and describes the clock functions.
transactions, lists bus commands, and describes the clock functions.
Chapter 6, Privileged Architecture Library Code, describes the privileged architecture
library code (PALcode).
library code (PALcode).
Chapter 7, Initialization and Configuration, describes the initialization and configura-
tion sequence.
tion sequence.
Chapter 9, Electrical Data, provides electrical data and describes signal integrity issues.
Chapter 10, Thermal Management, provides information about thermal management.
Chapter 11, Testability and Diagnostics, describes chip and system testability features.
Appendix A, Alpha Instruction Set, summarizes the Alpha instruction set.
Appendix B, 21264/EV67 Boundary-Scan Register, presents the BSDL description of
the 21264/EV67 boundary-scan register.
the 21264/EV67 boundary-scan register.