beautypg.com

3 interrupt assignments, 4 pci slots, Standard interrupt assignments – Asus M2R-FVM User Manual

Page 30

background image

1-18

Chapter 1: Hardware information

1.8.3 Interrupt assignments

Standard interrupt assignments

* These IRQs are usually available for ISA or PCI devices.

IRQ

Priority Standard function

0

1

System Timer

1

2

Keyboard Controller

2

Redirect to IRQ#9

4

12

Communications Port (COM1)*

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

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

Primary IDE Channel

15

10

Secondary IDE Channel

1.8.4 PCI slots

The PCI slots support cards such as

a LAN card, SCSI card, USB card, and

other cards that comply with PCI

specifications. The figure shows a

LAN card installed on a PCI slot.