User manual

SOM-5786 User Manual 42
C.3 Interrupt Assignments
Table C.3: Interrupt assignments
Interrupt# Interrupt source
NMI Parity error detected
IRQ 0 System timer
IRQ 1 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
IRQ 2 Available
IRQ 3 Communications Port (COM2)
IRQ 4 Communications Port (COM1)
IRQ 5 Available
IRQ 6 Standard floppy disk controller
IRQ 7 Available
IRQ 8 System CMOS/real time clock
IRQ 9 Microsoft ACPI-Compliant System
IRQ 10 Available
IRQ 11 Available
IRQ 12 PS/2 Compatible Mouse
IRQ 13 Numeric data processor
IRQ 14 Primary IDE Channel
IRQ 15 ntel(R) ICH8 Family SMBus Controller - 283E
IRQ 16
Mobile Intel(R) 965 Express Chipset Family
Intel(R) ICH8 Family USB Universal Host Controller - 2834
IRQ 18
Intel(R) ICH8 Family USB2 Enhanced Host Controller - 283A
Intel(R) ICH8 Family USB Universal Host Controller - 2832
IRQ 19
Intel(R) ICH8 Family USB Universal Host Controller ®C 2831
Intel(R) ICH8M 3 port Serial ATA Storage Controller - 2828
IRQ 20 Intel(R) 82566MM Gigabit Network Connection
IRQ 21 Intel(R) ICH8 Family USB Universal Host Controller - 2835
IRQ 22 Microsoft UAA Bus Driver for High Definition Audio
IRQ 23
Intel(R) ICH8 Family USB Universal Host Controller ®C 2830
Intel(R) ICH8 Family USB2 Enhanced Host Controller - 2836
USB and Ethernet IRQ is automatically set by the system