Asus A8N-SLI A8N-SLI English edition user's manual, version E1815b - Page 41

ASUS A8N-SLI

ASUS A8N-SLI

ASUS A8N-SLI

ASUS A8N-SLI

ASUS A8N-SLI

2-15

2-15

2-15

2-15

2-15

2.5.3

2.5.3

2.5.3

2.5.3

2.5.3

Interrupt assignments





Standard interrupt assignments





IRQ

IRQ

IRQ

IRQ

IRQ

Priority

Priority

Priority

Priority

Priority

Standard Function

Standard Function

Standard Function

Standard Function

Standard Function

0

1

System Timer

1

2

Keyboard Controller

2

–

Re-direct to IRQ#9

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.

IRQ assignments for this motherboard





A

B

C

D

E

F

G

H

PCI slot 1

shared

—

—

—

—

—

—

—

PCI slot 2

—

shared

—

—

—

—

—

—

PCI slot 3

—

—

shared

—

—

—

—

—

Onboard USB 1.0 controller

shared

—

—

—

—

—

—

—

Onboard USB 2.0 controller

shared

—

—

—

—

—

—

—

Onboard LAN1

shared

—

—

—

—

—

—

—

Onboard PCI SATA RAID (SI)

—

—

—

shared

—

—

—

—

Onboard 1394a

shared

—

—

—

—

—

—

—

When using PCI cards on shared slots, ensure that the drivers support

“Share IRQ” or that the cards do not need IRQ assignments. Otherwise,

conflicts will arise between the two PCI groups, making the system

unstable and the card inoperable.

Asus A8N-SLI A8N-SLI English edition user's manual, version E1815b - Page 41

Interrupt assignments

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