Gadgets Are necessary to abide by a protocol so which the interrupt-ask for (IRQ) lines is usually shared. The PCI bus contains four interrupt traces, INTA# by INTD#, all of which are offered to each device. Approximately 8 PCI equipment share precisely the same IRQ line (INTINA# via INTINH#) in https://nathanlabsadvisory.com/iso-27001-information-security/