Equipment are necessary to follow a protocol so that the interrupt-request (IRQ) lines is usually shared. The PCI bus incorporates four interrupt traces, INTA# by INTD#, all of which are available to each unit. Around eight PCI equipment share a similar IRQ line (INTINA# by way of INTINH#) in APIC-enabled https://nathanlabsadvisory.com/certified-data-privacy-professional-cdpp/