3 interrupt assignments, Standard interrupt assignments, Irq assignments for this motherboard – Asus P5KPL-AM/PS User Manual
Page 34
1-22
Chapter 1: Product introduction
1.8.3
Interrupt assignments
* These IRQs are usually available for PCI devices.
Standard interrupt assignments
IRQ
Priority
Standard Function
0
1
System Timer
1
2
Keyboard Controller
2
—
Re-direct to IRQ#9
3
10
Communications Port (COM1)
4
11
IRQ holder for PCI steering*
5
12
Standard Floppy Disk Controller
6
13
Printer Port (LPT1)
7
3
System CMOS/Real Time Clock
8
4
IRQ holder for PCI steering*
9
5
IRQ holder for PCI steering*
10
6
IRQ holder for PCI steering*
11
7
PS/2 Compatible Mouse Port
12
8
Numeric Data Processor
13
9
Primary IDE Channe
IRQ assignments for this motherboard
A
B
C
D
E
F
G
H
PCI1
—
—
—
shared —
—
—
—
PCI2
shared
—
—
—
—
—
—
—
PCIEX16_1
shared
—
—
—
—
—
—
—
PCIEX1_1
shared
—
—
—
—
—
—
—
Onboard USB controller 1
—
—
—
—
—
—
— shared
Onboard USB controller 2
—
—
—
shared —
—
—
—
Onboard USB controller 3
—
— shared
—
—
—
—
—
Onboard USB controller 4
shared
—
—
—
—
—
—
—
Onboard USB 2.0 controller
—
—
—
—
—
—
— shared
Onboard HD audio
shared
—
—
—
—
—
—
—
Onboard LAN
—
Used
—
—
—
—
—
—