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Table A.2: UNO-3072A/3074A Interrupt Assignments
Interrupt Number Interrupt source
NMI
IRQ 0
IRQ 1
IRQ 2
IRQ 3
IRQ 4
IRQ 5
IRQ 6
IRQ 7
IRQ 8
IRQ 9
IRQ 10
IRQ 11
IRQ 12
IRQ 13
IRQ 14
IRQ 15
IRQ 16
UNO-3072A/3074A User Manual
Parity error detected
System timer
Standard 101/102-Key or Microsoft Natural PS/2 Key-
board
Interrupt from controller 2 (cascade)
Communications Port (COM2)
Communications Port (COM1)
Communications Port (COM4)
Standard floppy disk controller
DIO
System CMOS/real time clock
Microsoft ACPI-Compliant System
Communications Port (COM3)
Reserved for watchdog timer
PS/2 Compatible Mouse
Numeric data processor
Primary IDE Channel
Intel ICH8 Family SMBus Controller - 283E
Mobile Intel 965 Express Chipset Family
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