1.9.2

Standard Interrupt Assignments

IRQ

Standard Function

0

System Timer

 

 

1

Keyboard Controller

 

 

2

Programmable Interrupt Controller

 

 

3*

USB Universal Host Controller

 

 

4*

Communications Port (COM1)

 

 

5*

Onboard Audio

 

 

6

Standard Floppy Disk Controller

 

 

7*

Printer Port (LPT1)

 

 

8

System CMOS/Real Time Clock

 

 

9*

Onboard LAN

 

 

10*

USB Universal Host Controller

 

 

11*

Onboard VGA

 

 

12*

PS/2 Compatible Mouse Port

 

 

13

Numeric Data Processor

 

 

14*

Ultra ATA Controller

 

 

15*

Secondary Ultra ATA Controller

*These IRQs are usually available for ISA or PCI devices.IRQ assignments for this motherboard

 

A

B

C

D

E

F

G

PCI slot 1

used

–

–

–

–

–

–

PCI slot 2

–

–

–

used

–

–

–

PCI slot 3

–

–

used

–

–

–

–

AGP slot

–

used

–

–

–

–

–

1.9.3 AGP slot

This motherboard has an Accelerated Graphics Port (AGP) slot that supports +1.5V AGP 8X cards. Note the notches on the card golden fingers to ensure that they fit the AGP slot on your motherboard.

AGP Card without Retention Notch

A7N8X-VM

A7N8X-VM Accelerated

Graphics Port (AGP8X)

1-10

Chapter 1: Product Information