Well-known Types
One of the best known PICs, the 8259A, was included in the x86 PC. In modern times, this is not included as a separate chip in an x86 PC, but rather as part of the motherboard's southbridge chipset. In other cases, it has been replaced by the newer Advanced Programmable Interrupt Controllers which support more interrupt outputs and more flexible priority schemas.
Read more about this topic: Programmable Interrupt Controller
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