Products Are needed to comply with a protocol so that the interrupt-request (IRQ) lines is often shared. The PCI bus consists of 4 interrupt lines, INTA# by means of INTD#, all of which can be found to every unit. Around 8 PCI products share the identical IRQ line (INTINA# by https://nathanlabsadvisory.com/stay-safe-with-premium-penetration-testing-services-in-uae/