4 standard interrupt assignments, 5 irq assignments for this motherboard – Asus Terminator A7VT User Manual

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Chapter 2: Basic Installation

2.8.4 Standard interrupt assignments

IRQ

Priority

Standard Function

0

1

System Timer

1

2

Keyboard Controller

2

N/A

Programmable Interrupt

3*

11

USB Universal Host Controller

4*

12

Communications Port (COM1)

5*

13

USB Enhanced Host Controller

6

14

Standard Floppy Disk Controller

7*

15

Printer Port (LPT1)

8

3

System CMOS/Real Time Clock

9*

4

ACPI Mode when used

10*

5

Multimedia Device

11*

6

Network Controller

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

2.8.5 IRQ assignments for this motherboard

PCI slot

used

AGP slot

used

USB 1.1 UHCI 1

— shared

USB 1.1 UHCI 1

used

USB 1.1 UHCI 1

shared

USB 2.0 EHCI

used

Onboard Audio

shared

Onboard LAN

— shared

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