Devices are required to stick to a protocol so the interrupt-ask for (IRQ) traces is usually shared. The PCI bus includes four interrupt lines, INTA# as a result of INTD#, all of which are offered to every gadget. Approximately 8 PCI units share precisely the same IRQ line (INTINA# as https://nathanlabsadvisory.com/building-an-effective-incident-response-team-roles-and-responsibilities/