Asus P4V800-X User Manual download pdf (Page 24)

1-14

Chapter 1: Product introduction

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 and 0.8V 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 Communications Port (COM2)

4* 12 Communications Port (COM1)

5* 13 Sound card (sometimes LPT2)

6 14 Floppy Disk Controller

7* 15 Printer Port (LPT1)

8 3 System CMOS/Real Time Clock

9* 4 ACPI Mode when used

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

ABCD

PCI slot 1 — shared — —

PCI slot 2 — — shared —

PCI slot 3 — — — used

PCI slot 4 shared — — —

PCI slot 5 — shared — —

AGP slot shared — — —

Onboard USB controller HC0 shared — — —

Onboard USB controller HC1 shared — — —

Onboard USB controller HC2 — shared — —

Onboard USB controller HC3 — shared — —

Onboard USB 2.0 controller — — shared —

Onboard LAN shared — — —

Onboard audio — — shared —

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Asus P4V800-X User Manual Page 24

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