Labels:text | poster | screenshot | rectangle | red | design OCR: CPI CPU? KPU Local APIC Local APIC Local APIC Local APIC Interrupt Controller Communications (ICC) bus I/O APIC 1/0 APIC 1/O APIC Figure 3: The Intel Multiprocessor Specification defines the basic BIOS functions and interrupt architecture for a shared-memory multiprocessing system. The interrupt system is based upon Advanced Programmable Interrupt Controller (APIC) architecture that can mimic the single-processor" interrupt system found in a basic AT-compatible PC, as well as a distributed interrupt system used by multiprocessing operating systems.
