Gadgets Are required to stick to a protocol so the interrupt-request (IRQ) traces may be shared. The PCI bus includes four interrupt strains, INTA# by means of INTD#, all of which are available to each machine. Approximately 8 PCI gadgets share the same IRQ line (INTINA# by way of INTINH#) https://nathanlabsadvisory.com/ai-chatbox/