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3 interrupt assignments, These irqs are usually available for pci devices – Asus P5KPL/1600 User Manual

Page 35

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ASUS P5KPL/1600

1-23

1.8.3

Interrupt assignments

IRQ

Priority

Standard Function

0

1

System Timer

1

2

Keyboard Controller

2

3

11

IRQ holder for PCI steering*

4

12

Communications Port (COM1)

5

13

Standard IRQ holder for PCI steering

6

14

Floppy Disk Controller

7

15

Printer Port (LPT1)

8

3

System CMOS/Real Time Clock

9

4

Microsoft ACPI-Compliant Sytem

10

5

IRQ holder for PCI steering*

11

6

IRQ holder for PCI steering*

12

7

PS/2 Compatible Mouse Port

13

8

Numeric Data Processor

14

9

Primary IDE Channel

* These IRQs are usually available for PCI devices.

A

B

C

D

E

F

G

H

PCI1

— shared —

PCI2

— shared —

PCI3

— shared —

PCIEX16_1

shared —

PCIEX16_2

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

Standard interrupt assignments

IRQ assignments for this motherboard