Gadgets are necessary to observe a protocol so which the interrupt-ask for (IRQ) strains is usually shared. The PCI bus consists of four interrupt strains, INTA# through INTD#, all of which are available to each gadget. Approximately 8 PCI products share a similar IRQ line (INTINA# through INTINH#) in APIC-enabled https://nathanlabsadvisory.com/cis-center-internet-security/