Devices Are needed to adhere to a protocol so that the interrupt-ask for (IRQ) lines might be shared. The PCI bus involves four interrupt lines, INTA# by way of INTD#, all of which are offered to every unit. Up to eight PCI devices share the identical IRQ line (INTINA# through https://nathanlabsadvisory.com/iso-27701-privacy-information-management-system-pims/