A.1
System I/O Address and Interrupt Assignment
Table A.1: Interrupt Assignments
Interrupt No.
NMI
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ8
IRQ9
IRQ10
IRQ12
IRQ13
IRQ14
IRQ15
UNO-2483G/2473G User Manual
Interrupt Source
Parity Error Detected
System timer
Standard 101/102-Key or Microsoft Natural PS/2Keyboard
Interrupt from controller 2 (cascade)
Communications Port (COM2)
Communications Port (COM1)
Communications Port (COM4)
Available
System CMOS/Real-time clock
Microsoft ACPI-Compliant System
Communications Port (COM3)
PS/2 Compatible Mouse
Numeric data processor
Reserved
Reserved
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