Asus V3-P5G965 User Manual download pdf (Page 32)

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2-14 Chapter 2: Basic installation

* These IRQs are usu all y a vai lab le for IS A o r P CI dev ice s.

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.

Standard interrupt assignments

IRQ Priority Standard Function

0 1 System Timer

1 2 Keyboard Controller

2 — Re-direct to IRQ#9

3 12 IRQ holder for PCI steering*

4 13 Communications Port (COM1)*

5 14 IRQ holder for PCI steering*

6 15 Floppy Disk Controller

7 16 Printer Port (LPT1)*

8 3 System CMOS/Real Time Clock

9 4 ACPI*

10 5 SMBus Controller*

11 6 IRQ holder for PCI steering*

12 7 PS/2 Compatible Mouse Port*

13 8 Numeric Data Processor

14 9 IDEIRQ (legacy mode, combined mapped as primary),

SMasterATA1 (Master), SATA3 (Secondary)

15 10 IDEIRQ (legacy mode, combined mapped as secondary),

SATA2 (Master), SATA4 (Secondary)

IRQ assignments for this motherboard

A B C D E F G H

PCI1 shared — — — — — — —

PCI2 — shared — — — — — —

PCIEX16_1 shared — — — — — — —

PCIEX4_1 shared — — — — — — —

On-board ESATA, SATA_RAID shared — — — — — — —

On-board PRI_IDE shared — — — — — — —

On-board HD Audio (AD1988) — — — — — — shared —

On-board GbEthernet (RTL8111B) — shared — — — — — —

USB 2.0 EHCI#1 — — — — — — — shared

USB 2.0 EHCI#2 — — — — — — shared —

USB12 UHCI#1 — — — — — — — shared

USB34 UHCI#2 — — — shared — — — —

USB56 UHCI#3 — — shared — — — — —

USB78 UHCI#4 shared — — — — — — —

USB910 UHCI#5 shared — — — — — — —

SATA1, SATA2 (ICH8) — — shared — — — — —

SATA3, SATA4 (ICH8) — — — shared — — — —

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