Advantech SOM-4463 B2, User Manual

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SOM-4463 B2 User Manual 42
B.3 Interrupt Assignments
*USB and Ethernet IRQ is automatically set by the system.
Table B.3: Interrupt Assignments
Interrupt# Interrupt source
IRQ 0 System timer
IRQ 1 Standard 101/102-key or Microsoft Natural PS/2 keyboard
IRQ 2 Available
IRQ 3 Communications Port (COM 2)
IRQ 4 Communications Port (COM 1)
IRQ 5 Available
IRQ 6 Available
IRQ 7 Available
IRQ 8 System CMOS/ real-time clock
IRQ 9 Microsoft ACPI-compliant system
IRQ 10 Intel ICH8 Family SMBus Controller - 283E
IRQ 11 Available
IRQ 12 PS/2-compatible Mouse
IRQ 13 Numeric data processor
IRQ 14 Primary IDE channel
IRQ 15 Available
IRQ 16 Intel Graphics Media Accelerator 3150
IRQ 16 Realtek PCIe FE Family Controller
IRQ 18 Intel ICH8M three-port Serial ATA Host Controller - 2828
IRQ 19 Intel ICH8 Family USB Universal Host Controller - 2831*
IRQ 21 Microsoft UAA Bus Driver for High Definition Audio
IRQ 22 Intel ICH8 Family PCI-E Root Port 1 - 283F
IRQ 22 Intel ICH8 Family PCI-E Root Port 5 - 2847
IRQ 23 Intel ICH8 Family USB Universal Host Controller - 2830*
IRQ 23 Intel ICH8 Family USB Universal Host Controller - 2836*