Advanced Programmable Interrupt Controller
FAMILY OF COMPUTER INTERRUPT CONTROLLERS
Intel APIC Architecture; Local APIC; IO-APIC; IOAPIC; 82489DX; LAPIC; X2APIC; Advanced PIC; Local Advanced Programmable Interrupt Controller; XAPIC; Intel APIC architecture; I/O APIC
In computing, Intel's Advanced Programmable Interrupt Controller (APIC) is a family of interrupt controllers. As its name suggests, the APIC is more advanced than Intel's 8259 Programmable Interrupt Controller (PIC), particularly enabling the construction of multiprocessor systems.