Asus P5GC-MX User Manual download pdf (Page 31)

ASUS P5GC-MX 1-19

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

* 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 — — — — — non-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,

conicts will arise between the two PCI groups, making the system

unstable and the card inoperable.

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Asus P5GC-MX User Manual Page 31