1.10 Expansion slots

The motherboard has five PCI slots and one Accelerated Graphics Port (AGP) slot.

To install and configure an expansion card:

1.Install an expansion card following the instructions that came with the chassis. NOTE: The AGP slot supports only 1.5V AGP cards.

2.Turn on the system and change the necessary BIOS settings, if any. See Chapter 2 for BIOS information.

3.Assign an IRQ to the card. Refer to the tables below.

4.Install the drivers and/or software applications for the expansion card according to the card documentation.

1.10.1 Standard interrupt assignments

IRQ

Priority

Standard Function

0

1

System Timer

1

2

Keyboard Controller

2

N/A

Programmable Interrupt

3*

11

IRQ holder for PCI steering

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

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

1.10.2 IRQ assignments for this motherboard

 

A

B

C

 

D

E

F

G

H

PCI slot 1

—

—

—

—

—

shared

—

—

 

PCI slot 2

—

—

—

—

—

—

shared

—

 

PCI slot 3

—

—

—

—

—

—

— shared

 

PCI slot 4

—

—

—

—

shared —

—

—

 

PCI slot 5

—

—

—

—

—

shared

—

—

 

AGP slot

used

—

—

—

—

—

—

—

 

Onboard USB 1.1/2.0 controller —

—

—

—

shared shared shared shared

Onboard LAN

—

—

—

—

—

—

shared

—

 

Onboard Audio

—

—

used

—

—

—

—

—

 

ASUS P4P800S SE motherboard user guide

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