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UNO-2184G/2174G/2174GL User Manual
22
A.1
System I/O Address and Interrupt Assignment
Table A.1: Interrupt Assignments
Interrupt No.
Interrupt Source
NMI
Parity Error Detected
IRQ 0
Interval Timer
IRQ 1
Keyboard
IRQ 2
Interrupt from Controller 2 (cascade)
IRQ 3
COM 2
IRQ 4
COM 1
IRQ 8
Real-Time Clock
IRQ 9
Microsoft ACPI-Compliant System
IRQ 10
COM 3~4
IRQ 11
SMBus
IRQ 16
LAN and Graphics
IRQ 17
LAN
IRQ 19
LAN, AMT and SATA
IRQ 20
LAN
IRQ 22
Audio
IRQ 23
USB