Products Are required to abide by a protocol so the interrupt-ask for (IRQ) strains might be shared. The PCI bus includes 4 interrupt traces, INTA# through INTD#, all of which can be obtained to every system. Nearly eight PCI units share the exact same IRQ line (INTINA# through INTINH#) in https://nathanlabsadvisory.com/beta-testing-software-applocation/