2-15
ASUS V2/V3-M3A3200
* These IRQs are usually available for ISA or PCI devices.
Interrupt assignments
IRQ
Standard function
0
System timer
1
Standard 101/102-Key or Microsoft Natural Keyboard
2
Programmable interrupt controller
3
Standard OpenHCI USB Host Controller
4
Communications Port (COM 1)
5
ACPI IRQ Holder for PCI IRQ Steering
6
(free)
7
(free)
8
System CMOS / Real Time Clock
9
SCI IRQ used by ACPI bus
10
Standard PCI Graphics Adapter (VGA)
11
(free)
12
Microsoft PS/2 Port Mouse
13
Numeric data processor
14
Primary IDE controller (single fifo)
15
Secondary IDE controller (single fifo)