Equipment Are needed to observe a protocol so the interrupt-request (IRQ) strains can be shared. The PCI bus contains four interrupt strains, INTA# as a result of INTD#, all of which are offered to each system. Approximately eight PCI gadgets share exactly the same IRQ line (INTINA# through INTINH#) in https://nathanlabsadvisory.com/pci-pin-service/