Equipment are necessary to follow a protocol so which the interrupt-request (IRQ) strains could be shared. The PCI bus incorporates four interrupt lines, INTA# as a result of INTD#, all of which are offered to every gadget. As many as 8 PCI products share precisely the same IRQ line (INTINA# https://nathanlabsadvisory.com/ce-marking-services-european-notified-body/