Asus Motherboard A8V-XE User Manual download pdf (Page 29)

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ASUS A8V-XE

Standard interrupt assignments

IRQ Priority Standard Function

0 1 System Timer

1 2 Keyboard Controller

2 - Programmable interrupt

3 11 Communications Port (COM2)*

4 12 -

5 13 IRQ holder for PCI steering*

6 14 Floppy Disk Controller

7 15 Printer Port (LPT1)*

8 3 System CMOS/Real Time Clock

9 4 IRQ holder for PCI steering*

10 5 MIDI port*

11 6 IRQ holder for PCI steering*

12 7 PS/2 Compatible Mouse Port*

13 8 Numeric Data Processor

14 9 Primary IDE Channel

15 10 Secondary IDE Channel

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

IRQ assignments for this motherboard

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.

A B C D E F G H

PCI slot 1 shared — — — — — — —

PCI slot 2 — shared — — — — — —

PCI slot 3 — — shared — — — — —

PCI Express x16 slot shared — — — — — — —

PCI Express x1 slot 1 shared — — — — — — —

PCI Express x1 slot 2 shared — — — — — — —

Onboard USB controller 0 shared — — — — — — —

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

Onboard USB controller 2 — shared — — — — —

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

Onboard EHCI controller — — shared — — — — —

Onboard SATA Controller — shared — — — — — —

Onboard Audio Controller — shared — — — — — —

Onboard LAN shared — — — — — — —

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Asus Motherboard A8V-XE User Manual Page 29