Asus Rampage II Extreme User Manual download pdf (Page 51)

2.5.3 Interrupt assignments

Standard interrupt assignments

IRQ assignments for this motherboard

A B C D E F G H

PCI slot 1 shared – – – – – – –

LAN (8056) shared – – – – – – –

SATA (JMB363) shared – – – – – – –

LAN (8056) – shared – – – – – –

PCIe x16_1 shared – – – – – – –

PCIe x16_2 shared – – – – – – –

PCIe x16_3 – – shared – – – – –

PCIe x1_1 – shared – – – – – –

PCIe x1_2 shared – – – – – – –

USB controller 1 – – – – – – shared

USB controller 2 – – – shared – – – –

USB controller 3 – – shared – – – – –

USB controller 4 shared – – – – – – –

USB controller 5 – – – – – shared – –

USB controller 6 – – shared – – – – –

USB 2.0 controller 1 – – – – – – – shared

USB 2.0 controller 2 – – shared – – – – –

SATA controller 1 – – – – – – shared –

SATA controller 2 – – – – – – shared –

Audio Azalia shared – – – – – – –

IEEE 1394 – – – shared – – – –

IRQ Priority Standard function

0 1 System timer

1 2 Keyboard controller

– Re-direct to IRQ#9

3 11 IRQ holder for PCI steering*

4 12 Communications port (COM1)*

13 IRQ holder for PCI steering*

6 14 Floppy disk controller

8 3 System CMOS/Real Time Clock

9 4 IRQ holder for PCI steering*

10 5 IRQ holder for PCI steering*

11 6 IRQ holder for PCI steering*

12 7 PS/2 compatible mouse port*

13 8 Numeric data processor

14 9 Onboard USB Controller

15 10 SATA Primary IDE (legacy mode)

* These IRQs are usually available for PCI devices.

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