Gadgets are required to follow a protocol so the interrupt-request (IRQ) strains is often shared. The PCI bus incorporates four interrupt strains, INTA# by INTD#, all of which can be found to each machine. Nearly eight PCI devices share the same IRQ line (INTINA# as a result of INTINH#) in https://nathanlabsadvisory.com/anti-bribery-compliance/