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ASUS M2N / M2N DH 2-17
2.5.3 Interrupt assignments
Standard interrupt assignments
* These IRQs are usually available for ISA or PCI devices.
IRQ Priority Standard function
0 1 System Timer
1 2
Keyboard Controller
2 – Redirect to IRQ#9
4 12 Communications Port (COM1)*
5 13 IRQ Holder for PCI Steering*
6 14 Floppy Disk Controller
7 15 Printer Port (LPT1)*
8 3 System CMOS/Real Time Clock
9 4 IRQ Holder for PCI Steering*
10 5 IRQ Holder for PCI Steering*
11 6 IRQ Holder for PCI Steering*
12 7 PS/2 Compatible Mouse Port*
13 8 Numeric Data Processor
14 9 Primary IDE Channel
15 10 Secondary IDE Channel
A B C D E F G H
PCI Slot 1 shared - - - -- - - -
PCI Slot 2 - shared - - - - - -
PCI Slot 3 - - shared - - - - -
PCIe x16 slot - - - - - - - shared
PCIe x1 slot 1 - - - - - shared - -
PCIe x1 slot 2 - - - - shared - - -
IRQ assignments for this motherboard