Directing PCI interrupts to an IRQ in the PC. There are four PCI interrupts used by PCI plug-in cards or onboard devices such as the USB. These are directed to one of the available IRQs by the BIOS or operating system. See IRQ and PCI.
"PCI steering." YourDictionary, n.d. Web. 17 August 2018. <http://www.yourdictionary.com/pci-steering>.
PCI steering. (n.d.). Retrieved August 17th, 2018, from http://www.yourdictionary.com/pci-steering