Asus M3A78-EM User Manual download pdf (Page 35)

ASUS M3A78-EM 1-23

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, conicts will

arise between the two PCI groups, making the system unstable and the card

inoperable.

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Asus M3A78-EM User Manual Page 35