IRQ assignments for this motherboard

 

A

B

C

D

E

F

G

H

I

PCIEX1 Slot

shared

–

–

–

–

–

–

–

–

PCIEX16 Slot

–

–

shared

–

–

–

–

–

–

Onboard USB1.1 Controller 1

shared

–

–

–

–

–

–

–

–

Onboard USB1.1 Controller 2

–

–

–

–

–

–

–

–

–

Onboard USB1.1 Controller 3

–

–

shared

–

–

–

–

–

–

Onboard USB1.1 Controller 4

–

–

–

–

–

–

–

–

–

Onboard USB1.1 Controller 5

–

–

shared

–

–

–

–

–

–

Onboard USB2.0 Controller 1

–

–

–

–

–

–

–

–

–

Onboard USB2.0 Controller 2

–

–

–

–

–

–

–

–

–

Onboard ATI RS780G AZALIA

–

–

shared

–

–

–

–

–

–

Onboard IDE PORT

shared

–

–

–

–

–

–

–

–

Onboard HD Audio

shared

–

–

–

–

–

–

–

–

Onboard LAN

–

–

shared

–

–

–

–

–

–

Onboard VGA

–

–

shared

–

–

–

–

–

–

Onchip SATA

–

–

–

–

–

–

shared

–

–

JMB1394

–

shared

–

–

–

–

–

–

–

PCI Card1

–

–

–

–

shared

–

–

–

–

PCI Card2

–

–

–

–

–

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 M3A78-EM

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