Gadgets are necessary to adhere to a protocol so which the interrupt-request (IRQ) traces is often shared. The PCI bus features four interrupt traces, INTA# through INTD#, all of which are available to each machine. As much as eight PCI equipment share a similar IRQ line (INTINA# through INTINH#) in https://nathanlabsadvisory.com/ciso-services-virtual-ciso/