Known as the Advanced Programmable Interrupt Controller, it is the successor to the 8259A interrupt controller. The 82489DX is enhanced for multiprocessing. See IRQ and PIC.
"82489DX." YourDictionary, n.d. Web. 06 December 2018. <https://www.yourdictionary.com/82489dx>.
82489DX. (n.d.). Retrieved December 06th, 2018, from https://www.yourdictionary.com/82489dx
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