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OpenPIC

(OPEN Programmable Interrupt Controller) An SMP chip architecture endorsed by AMD and Cyrix Corporation that provides symmetric multiprocessing (SMP) for x86 and PowerPC systems. It can support up to 32 processors. See APIC.



APIC

(Advanced Programmable Interrupt Controller) A circuit that handles the priority of interrupts in a computer. Designed to support symmetric multiprocessing (SMP), the APIC handles more interrupts and is more flexible than the programmable interrupt controller (PIC), which it replaced. See PIC and OpenPIC.



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