UNO-2272G User Manual 14
A.1 System I/O Address and Interrupt Assignment
Table A.1: Interrupt Assignments
Interrupt No. Interrupt Source
NMI Parity Error Detected
IRQ0 System timer
IRQ1 Standard 101/102-Key or Microsoft Natural PS/2Keyboard
IRQ2 Interrupt from controller 2 (cascade)
IRQ3 Communications Port (COM2)
IRQ4 Communications Port (COM1)
IRQ6 Available
IRQ8 System CMOS/Real-time clock
IRQ9 Microsoft ACPI-Compliant System
IRQ12 PS/2 Compatible Mouse
IRQ13 Numeric data processor
IRQ14 Reserved
IRQ15 Reserved