User manual

SOM-4461 A2 Version User Manual 40
B.3 Interrupt Assignments
Table B.3: Interrupt Assignments
Resource Device
IRQ 0 System timer
IRQ 1 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
IRQ 3 Communications Port (COM2)
IRQ 4 Communications Port (COM1)
IRQ 5 Communications Port (COM4)
IRQ 8 System CMOS/real time clock
IRQ 9 Microsoft ACPI-Compliant System
IRQ 10 Communications Port (COM3)
IRQ 12 PS/2 Compatible Mouse
IRQ 13 Numeric data processor
IRQ 14 Primary IDE Channel
IRQ 15 Intel(R) 82801G (ICH7 Family) SMBus Controller - 27DA
IRQ 16 Mobile Intel(R) 945 Express Chipset Family
IRQ 16 Intel(R) 82801G (ICH7 Family) PCI Express Root Port - 27D0
IRQ 16 Realtek PCIe FE Family Controller #2
IRQ 16 Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27CB
IRQ 17 Realtek AC'97 Audio
IRQ 18 Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27CA
IRQ 19 Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27C9
IRQ 19 Intel(R) 82801GBM/GHM (ICH7-M Family) Serial ATA Storage Controller - 27C4
IRQ 23 Intel(R) 82801G (ICH7 Family) USB Universal Host Controller - 27C8
IRQ 23 Intel(R) 82801G (ICH7 Family) USB2 Enhanced Host Controller - 27CC