IBASE Technology IB919 Series, User Manual, Page: 80 / 86

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IB919 Series User’s Manual
B. Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the service
required. The following table shows the IRQ used by the devices on board.
For IB919AF:
Level Function
IRQ 4294967292 Intel(R) Ethernet Connection (6) I219-LM
IRQ 4294967283 Intel(R) Management Engine Interface
IRQ 4 Communications Port (COM1)
IRQ 3 Communications Port (COM2)
IRQ 5 Communications Port (COM3)
IRQ 6 Communications Port (COM4)
IRQ 0 System timer
IRQ 11 Intel(R) Thermal Subsystem - 9DF9
IRQ 11 Intel(R) SMBus - 9DA3
IRQ 4294967291 Intel(R) UHD Graphics 620
IRQ 16 High Definition Audio Controller
IRQ 16 Intel SD Host Controller
IRQ 4294967294 Intel(R) PCI Express Root Port #8 - 9DBF
IRQ 55 - 511 Microsoft ACPI-Compliant System
IRQ 4294967289 Intel(R) I211 Gigabit Network Connection #2
IRQ 4294967288 Intel(R) I211 Gigabit Network Connection #2
IRQ 4294967287 Intel(R) I211 Gigabit Network Connection #2
IRQ 4294967286 Intel(R) I211 Gigabit Network Connection #2
IRQ 4294967285 Intel(R) I211 Gigabit Network Connection #2
IRQ 4294967284 Intel(R) I211 Gigabit Network Connection #2
IRQ 4294967293 Standard SATA AHCI Controller
IRQ 1 Standard PS/2 Keyboard
IRQ 12 Microsoft PS/2 Mouse
IRQ 4294967290 Intel(R) USB 3.1 eXtensible Host Controller - 1.10
(Microsoft)
IRQ 14 Intel(R) Serial IO GPIO Host Controller - INT34BB