Asus M2N 1394 User Manual
Page 27

ASUS M2N 1394
1-17
IRQ assignments for this motherboard
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.
A
B
C
D
E
F
G
H
PCI Slot 1
shared
PCI Slot 2
shared
PCI Slot 3
shared
Onboard 1394
shared
PCIE x 16 slot 1
shared
PCIE x 16 slot 2
shared
PCIE x 1 slot 1
shared
PCIE x 1 slot 2
shared