Interrupt Assignments - Asus P5NT - WS AiLifestyle Series Motherboard Installation Manual

1.8.3

Interrupt assignments

Standard interrupt assignments
IRQ
0
1
2
4
5
6
7
8
9
10
11
12
13
14
15
* These IRQs are usually available for ISA or PCI devices.
IRQ assignments for this motherboard
PCI Express x16 slot 1
PCI Express x16 slot 2
PCI Express x1 slot 1
PCI Express x1 slot 2
PCI Express x1 slot 3
PCI slot 1
PCI slot 2
Onboard USB1.0 controller 1
Onboard USB1.0 controller 2
Onboard USB2.0 controller
Onboard LAN
Onboard IDE controller
Onboard SATA controller
Onboard Audio controller
1-22
Priority
1
2
—
12
13
14
15
3
4
5
6
7
8
9
10
A
—
—
—
—
—
shared
— shared
shared
— shared
—
—
—
shared
shared
Standard Function
System Timer
Keyboard Controller
Re-direct to IRQ#9
Communications Port (COM1)*
IRQ holder for PCI steering*
Floppy Disk Controller
Printer Port (LPT1)*
System CMOS/Real Time Clock
IRQ holder for PCI steering*
IRQ holder for PCI steering*
IRQ holder for PCI steering*
PS/2 Compatible Mouse Port*
Numeric Data Processor
Primary IDE Channel
Secondary IDE Channel
B C D
— — —
— — —
— — —
— — —
— — —
— — —
— —
— — —
— —
— shared —
— shared —
— — —
— — —
— — —
Chapter 1: Product introduction
E F G
shared — —
— — used
shared — —
— used —
— — —
— — —
— — —
— — —
— — —
— — —
— — —
shared — —
— — —
— — —
H
—
—
—
—
used
—
—
—
—
—
—
—
—
—