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Interrupt Assignments - Asus P5B-PLUS User Manual

P5b-plus series user's manual

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2.5.3

Interrupt assignments

Standard interrupt assignments

IRQ

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

* These IRQs are usually available for PCI devices.

IRQ assignments for this motherboard

PCI slot 1

PCI slot 2

PCI slot 3

PCIEX16_1

PCIEX1_1

PCIEX1_2

PCIEX1_3

GbEthernet

ESATA, SATA_RAID

PRI_IDE (JMicron363)

IEEE 1394a (VIA 6307)

HD Audio (ADI1988A)

USB 2.0 EHCI#1

USB 2.0 EHCI#2

USB12 OBCI#1

USB34 OBCI#2

USB56 OBCI#3

USB78 OBCI#4

USB910 OBCI#5

SATA1,2, 3, 4, 5, 6 (ICH8)

2-20

Priority

1

2

—

12

13

14

15

16

3

4

5

6

7

8

9

10

A

—

—

—

shared

shared

—

shared

—

—

shared

shared

—

—

—

—

—

—

—

shared

—

shared

—

Standard Function

System Timer

Keyboard Controller

Re-direct to IRQ#9

IRQ holder for PCI steering*

Communications Port (COM1)*

IRQ holder for PCI steering*

Floppy Disk Controller

Printer Port (LPT1)*

System CMOS/Real Time Clock

ACPI*

SMBus Controller*

IRQ holder for PCI steering*

PS/2 Compatible Mouse Port*

Numeric Data Processor

IDEIRQ Compatible mode, Mapped as

Primary Channel/Master-SATA1/Slave-SATA3

IDEIRQ Compatible mode, Mapped as

Secondary Channel/Master-SATA2/Slave-SATA4

B

C

D

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

shared

—

—

—

shared —

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

shared

—

—

—

—

—

—

—

—

shared

—

—

—

—

—

—

—

shared —

Chapter 2: Hardware information

E

F

G

used

—

—

—

shared

—

—

—

shared

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

—

shared

—

—

—

shared

—

—

—

—

—

—

—

—

—

—

—

shared

—

—

—

—

—

—

—

—

—

—

H

—

—

—

—

—

—

—

—

—

—

—

—

shared

—

shared

—

—

—

—

—

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