Standard Interrupt Assignments; Irq Assignments For This Motherboard - Asus Motherboard M2N-MX SE PLUS User Manual

Standard interrupt assignments

IRQ Priority
0
1
2
3 11
4 12
5 13
6 14
7 15
8
9
10
11
12
13
14
15 10
* These IRQs are usually available for ISA or PCI devices.

IRQ assignments for this motherboard

PCI slot 1
PCI slot 2
When using PCI cards on shared slots, ensure that the drivers support "Share
IRQ" or that the cards do not need IRQ assignments; otherwise, conflicts will
arise between the two PCI groups, making the system unstable and the card
inoperable.
ASUS M2N-MX SE PLUS
Standard Function
1 System Timer
2 Keyboard Controller
– Re-direct to IRQ#9
IRQ holder for PCI steering*
Communications Port (COM1)*
IRQ holder for PCI steering*
Floppy Disk Controller
Printer Port (LPT1)*
3 System CMOS/Real Time Clock
4 IRQ holder for PCI steering*
5 IRQ holder for PCI steering*
6 IRQ holder for PCI steering*
7 PS/2 Compatible Mouse Port*
8 Numeric Data Processor
9 Primary IDE Channel
Secondary IDE Channel
A
used —
— used
B C D
— —
— —
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