Alpha 21164 Microprocessor Hardware Reference Manual

This document is a comprehensive hardware reference manual for the Compaq Alpha 21164 microprocessor. It provides detailed technical information on the chip's internal architecture, including the instruction fetch/decode unit, integer and floating-point execution units, and cache organization. It further details the external hardware interface, clocking schemes, and bus transactions. Additional sections cover privileged architecture library code (PALcode), initialization and configuration procedures, error detection and handling, thermal management, and mechanical/packaging data.