Asus P5RD2-VM Manuel d'utilisateur télécharger pdf (Page 32)

1-20 Chapter 1: Product introduction

1.8.3 Interrupt assignments

Standard interrupt assignments

IRQ Standard Function

0 System Timer

1 Keyboard Controller

2 Re-direct to IRQ#9

4 Communications Port (COM1)*

5 IRQ holder for PCI steering*

6 Floppy Disk Controller

7 Printer Port (LPT1)*

8 System CMOS/Real Time Clock

9 IRQ holder for PCI steering*

10 IRQ holder for PCI steering*

11 IRQ holder for PCI steering*

12 PS/2 Compatible Mouse Port*

13 Numeric Data Processor

14 Primary IDE Channel

15 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 Express x16 slot shared — — — — — — —

PCI Express x1 slot — shared — — — — — —

Onboard USB controller 1 — — — — — — — shared

Onboard USB controller 2 — — — shared — — — —

Onboard USB controller 3 — — shared — — — — —

Onboard USB controller 4 — — — shared — — — —

Onboard USB 2.0 controller — — — — — — — shared

Onboard IDE port — — — shared — — — —

Onboard HD audio shared — — — — — — —

Onboard LAN — 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.

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Asus P5RD2-VM Manuel d'utilisateur Page 32