Asus M2N-MX SE PLUS User Manual - Page 31

IRQ assignments for this motherboard, Standard interrupt assignments - motherboard drivers

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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. IRQ assignments for this motherboard PCI slot 1 PCI slot 2 A B C D used - - - - used - - 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 1-19

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ASUS M2N-MX SE PLUS
1-19
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, conflicts 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
—
—
Standard interrupt assignments