ASUS M2N68-VM
1-21
* 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.
Interrupt assignments
IRQ
Standard function
0
High precision event timer
1
Standard 101/102-Key or Microsoft Natural PS/2 keyboard
4
Communications Port (COM1)*
6
Standard floppy disk controller
8
High precision event timer
9
Microsoft ACPI-Compliant System
12
PS/2 Compatible Mouse
13
Numeric data processor
14
Primary IDE Channel
10
NVIDIA nForce PCI System Management
16
NVIDIA nForce 6800 LE
20
Microsoft UAA Bus Driver for High Definition Audio
21
Standard Enhanced PCI to USB Host Controller
21
Standard Dual Channel PCI IDE Controller
22
NVIDIA network Bus Enumerator
22
Standard Enhanced PCI to USB Host Controller
23
Standard OpenHCD USB Host Controller
23
Standard OpenHCD USB Host Controller
IRQ assignments for this motherboard
A
B
C
D
PCI slot 1
–
shared
–
–
PCI slot 2
–
shared
–
–
PCI Express x1 slot
–
shared
–
–
PCI Express x16 slot
–
shared
–
–
