IntelŪ ItaniumŪ Processor Family Interrupt Architecture Guide
This document is a guide for the Intel® Itanium® architecture Streamlined Advanced Programmable Interrupt Controller (SAPIC). SAPIC is the high performance interrupt architecture for the Intel Itanium architecture. This guide describes the Intel Itanium architecture SAPIC and platform level implementation considerations. It is intended for platform hardware architects (both component and platform) as well as platform software architects (operating system and platform firmware).