Asus M2N DH Specifications download pdf (Page 31)

ASUS M2N - V M D H 1-21

Standard interrupt assignments

IRQ Priority Standard Function

0 1 System Timer

1 2 Keyboard Controller

2 – Re-direct to IRQ#9

3 11 IRQ holder for PCI steering*

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

* These IRQs are usually available for ISA or PCI devices.

When using PCI cards on shared slots, ensure that the drivers support

“Share IRQ” or that the cards do not need IRQ assignments; otherwise,

conicts will arise between the two PCI groups, making the system

unstable and the card inoperable.

IRQ assignments for this motherboard

A B C D

PCI slot 1 — used —

PCI slot 2 — — used —

1 2 ... 26 27 28 29 30 31 32 33 34 35 36 ... 101 102

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Asus M2N DH Specifications Page 31