IRQ assignments for this motherboardExternal devices interrupt

 

PIRQ1

PIRQ2

PIRQ3

PIRQ4

PIRQ5

PIRQ6

PIRQ7

PIRQ8

PCI slot 1

shared

PCI slot 2

shared

Onboard USB controller

Onboard USB 2.0 controller

shared

Onboard IDE controller

Onboard HD Audio

PCI Express x16 slot

shared

PCI Express x1 slot

shared

Onboard SATA controller

Onboard LAN

Onboard VGA

Internal devices interrupt

 

MCP

MCP

MCP

MCP

MCP

MCP

MCP

 

_USB

_MAC

_AZA

_IGPU

_IDE

_USB2

_AHCI

PCI slot 1

PCI slot 2

Onboard USB controller

shared

Onboard USB 2.0 controller

shared

Onboard IDE controller

shared

Onboard HD Audio

PCI Express x16 slot

PCI Express x1 slot

Onboard SATA controller

shared

Onboard LAN

shared

Onboard VGA

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 P5N73-AM

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