IBASE Technology ASB200-918 Series, User Manual, Page: 64 / 75

56 ASB200-918 User Manual
B. Interrupt Request Lines (IRQ)
C. 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.
D.
Level Function
IRQ 4294967292 PCI Express Root Port
IRQ 0 High precision event timer
IRQ 0 System timer
IRQ 8 High precision event timer
IRQ 7 AMD GPIO Controller
IRQ 4294967265~72 AMD USB 3.10 eXtensible Host Controller - 1.10
(Microsoft)
IRQ 4 Communications Port (COM1)
IRQ 3 Communications Port (COM2)
IRQ 5 Communications Port (COM3)
IRQ 5 Communications Port (COM4)
IRQ 6 Communications Port (COM5)
IRQ 6 Communications Port (COM6)
IRQ 53 High Definition Audio Controller
IRQ 53 AMD Audio CoProcessor
IRQ 54 AMD High Definition Audio Controller
IRQ 54~55 Microsoft ACPI-Compliant System
IRQ 55 AMD SFH KMDF I2C
IRQ 56 ~ IRQ 204 Microsoft ACPI-Compliant System
IRQ 256 ~ IRQ 511 Microsoft ACPI-Compliant System
IRQ 4294967293~94 PCI Express Root Port
IRQ 4294967291 PCI Express Root Port
IRQ 4294967273~75 AMD Radeon(TM) Vega 8 Graphics
IRQ 4294967290 Standard SATA AHCI Controller
IRQ 4294967257~64 AMD USB 3.10 eXtensible Host Controller - 1.10
(Microsoft)
IRQ 4294967282~87 Intel(R) I211 Gigabit Network Connection #5
IRQ 4294967276~81 Intel(R) I211 Gigabit Network Connection #6
IRQ 4294967288~89 AMD PSP 10.0 Device