Equipment Are required to abide by a protocol so the interrupt-request (IRQ) strains is usually shared. The PCI bus includes 4 interrupt traces, INTA# via INTD#, all of which are offered to every product. Nearly 8 PCI gadgets share exactly the same IRQ line (INTINA# by way of INTINH#) in https://nathanlabsadvisory.com/soc-1/