Interrupt Assignments - Asus P5N-MX - Motherboard - Micro ATX User Manual

1.8.3

Interrupt assignments

Standard interrupt assignments
IRQ
0
1
4
6
8
9
12
13
11
20
21
21
22
22
23
* These IRQs are usually available for ISA or PCI devices.
1-22
Standard Function
High precision event timer
Standard 101/102-key or Microsoft PS/2 keyboard
Communicators Port (COM1)
Standard floppy disk controller
High precision event timer
Microsoft ACPI-Compliant System
PS/2 Compatible Mouse
Numeric data processor
NVIDIA nForce PCI System Management
Standard OpenHCD USB Host Controller
Microsoft UAA Bus Driver for High Definition Audio
Standard Dual Channel PCI IDE Controller
NVIDIA GeForce 7050 / nForce 610i
Standard Enhanced PCI to USB Host Controller
NVIDIA Network Bus Enumerator
Chapter 1: Product introduction