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. 12 October 2018. <http://www.yourdictionary.com/82489dx>.
82489DX. (n.d.). Retrieved October 12th, 2018, from http://www.yourdictionary.com/82489dx
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