Tsunami/Typhoon 21272 Chipset

This hardware reference manual provides technical information for engineers using the 21272 core logic chipset with 21264 Alpha microprocessors. It covers architecture, internal design, external interfaces, pinouts, electrical specifications, and programming references. The manual is organized into 12 chapters and two appendices, detailing features like memory configurations, CPU/PCI bus interfaces, chipset registers, reset and initialization sequences, and power management features.