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3 interrupt assignments, Interrupt assignments -21, Chapter 2 – Asus P7P55D-E EVO User Manual

Page 39: Standard interrupt assignments, Irq assignments for this motherboard

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ASUS P7P55D-E EVO

2-21

Chapter 2

2.5.3

Interrupt assignments

Standard interrupt assignments

* These IRQs are usually available for PCI devices.

IRQ

Priority Standard function

0

1

System Timer

1

2

Keyboard Controller

2

Redirect to IRQ#9

4

12

Reserved

5

13

IRQ Holder for PCI Steering*

6

14

Reserved

7

15

Reserved

8

3

System CMOS/Real Time Clock

9

4

IRQ Holder for PCI Steering*

10

5

IRQ Holder for PCI Steering*

11

6

IRQ Holder for PCI Steering*

12

7

Reserved

13

8

Numeric Data Processor

14

9

Primary IDE Channel

IRQ assignments for this motherboard

A

B

C

D

E

F

G

H

PCIE x16_1

shared

PCIE x16_2

shared

PCIE x1_1

shared

PCIE x1_2

shared

PCIE x1_3

shared

PCI_1

shared

PCI_2

shared

LAN_1

shared

LAN_2

shared

USB 2.0 Controller 1

shared

USB 2.0 Controller 2

shared

USB 3.0 Controller

shared

SATA Controller

shared

SATA 6G Controller

shared

1394 Controller

shared

HD Audio

shared