Interrupt Assignments; Irq Assignments For This Motherboard - Asus M2N-VM DVI User Manual

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
13 Numeric data processor
10 NVIDIA nForce PCI System Management
20 NVIDIA Network Bus Enumerator
20 Standard Enhanced PCI to USB Host Controller
21 Standard Enhanced PCI to USB Host Controller
21 Standard Dual Channel PCI IDE Controller
22 Microsoft UAA BUS Driver for High Definition Audio
22 NVIDIA Geforce 7025 / NVIDIA Host Controller
23 Standard OpenHCD USB Host Controller
23 Standard OpenHCD USB Host Controller
* These IRQs are usually available for ISA or PCI devices.

IRQ assignments for this motherboard

PCI slot 1
PCI slot 2
PCI Express x16 slot
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-CM DVI
A B C
– shared –
– shared –
– shared –
D
–
–
–
1-21