Gadgets are required to stick to a protocol so that the interrupt-request (IRQ) traces is usually shared. The PCI bus incorporates four interrupt strains, INTA# through INTD#, all of which are available to each system. As much as 8 PCI products share the same IRQ line (INTINA# by way of https://nathanlabsadvisory.com/iso-44001-collaborative-business-relationship-management-systems/