Products Are necessary to adhere to a protocol so the interrupt-request (IRQ) lines can be shared. The PCI bus involves four interrupt strains, INTA# through INTD#, all of which can be found to each machine. Up to 8 PCI equipment share the same IRQ line (INTINA# by INTINH#) in APIC-enabled https://nathanlabsadvisory.com/swift-csp-assessments/