Equipment Are necessary to observe a protocol so the interrupt-request (IRQ) lines can be shared. The PCI bus contains four interrupt traces, INTA# by way of INTD#, all of which can be obtained to each unit. Around eight PCI equipment share a similar IRQ line (INTINA# by INTINH#) in APIC-enabled https://nathanlabsadvisory.com/cis-center-internet-security/