Advantech PCA-6781 - Page 66

PCA-6781 User Manual 56
C.4 Interrupt Assignments
Table C.4: Interrupt Assignments
Interrupt# Interrupt source
IRQ 0 Interval timer
IRQ 1 Keyboard
IRQ 2 Interrupt from controller 2 (cascade)
IRQ 3 COM2
IRQ 4 COM1
IRQ 5 Unused
IRQ 6 FDD
IRQ 7 LPT1
IRQ 8 RTC
IRQ 9 ACPI
IRQ 10 Unused
IRQ 11 Unused
IRQ 12 PS/2 mouse
IRQ 13 INT from co-processor
IRQ 14 Primary IDE
IRQ 15 Secondary IDE for CFC
* Ethernet interface IRQ select: 5, 9, 10, 11
* PNP USB IRQ select: 5, 9, 10, 11