Alpha 21164 Microprocessor Hardware Reference Manual

This document is a preliminary hardware reference manual for the Alpha 21164 microprocessor. It provides comprehensive technical details for system designers and programmers, covering the chip's internal architecture, instruction pipeline organization, hardware interfaces, cache coherency protocols, and internal processor registers (IPRs). The manual also includes electrical, thermal, and mechanical specifications, as well as testability features such as JTAG/IEEE 1149.1 support.