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[ The PC Guide | Systems and Components Reference Guide | Motherboard and System Devices | System Chipset and Controllers | Chipset Functions and Features | Chipset Peripheral and I/O Bus Control ]

Interrupt Controller

The interrupt controller provides the means by which I/O devices request attention from the processor to deal with data transfers. This work is performed by a pair of Intel 8259 interrupt controllers (now integrated into the chipset). Interrupts are discussed in detail here.

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