Asus P5L 1394 Motherboard Installation Guide - Page 38

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Chapter 2: Hardware information

2.5.3 Interrupt assignments

IRQ

Priority

Standard Function

0

1

System Timer

1

2

Keyboard Controller

2

—

Re-direct to IRQ#9

3

11

—

4

12

Communications Port (COM1)*

5

13

IRQ holder for PCI steering*

6

14

Floppy Disk Controller

7

15

Printer Port (LPT1)*

8

3

System CMOS/Real Time Clock

9

4


10

5


11

6


12

7

PS/2 Compatible Mouse Port*

13

8

Numeric Data Processor

14

9

Primary IDE Channel

15

10

Secondary IDE Channel

* These IRQs are usually available for ISA or PCI devices.

A

B

C

D

E

F

G

H

PCI slot 1

—

shared

—

—

—

—

—

—

PCI slot 2

—

—

—

—

—

shared

—

—

PCI slot 3

—

—

—

—

—

—

shared

—

PCI E x16 slot

shared

—

—

—

—

—

—

—

PCI E x1 slot 1

shared

—

—

—

—

—

—

—

PCI E x1 slot 2

—

shared

—

—

—

—

—

—

Onboard USB controller 0

shared

—

—

—

—

—

—

—


—

shared

—

—

—

—

—

—


—

—

shared

—

—

—

—

—


—

—

—

shared

—

—

—

—

Onboard EHCI controller

shared

—

—

—

—

—

—

—

Onboard IDE port

—

—

—

—

—

—

shared

—

Onboard SATA port

—

—

—

—

—

—

—

shared

Onboard Audio controller

—

—

—

shared

—

—

—

—

Onboard LAN controller

—

—

shared

—

—

—

—

—

Onboard 1394 controller

—

—

—

—

—

—

—

shared

Onboard SATA controller

—

—

—

shared

—

—

—

—

Standard

interrupt assignments

IRQ assignments for this

motherboard

Asus P5L 1394 Motherboard Installation Guide - Page 38

Interrupt assignments

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