Gadgets Are required to comply with a protocol so the interrupt-ask for (IRQ) traces might be shared. The PCI bus features four interrupt traces, INTA# through INTD#, all of which can be obtained to each unit. Nearly eight PCI products share precisely the same IRQ line (INTINA# through INTINH#) in https://nathanlabsadvisory.com/business-process-re-engineering/