2.7.2 Expansi on card i nstall ati on

To install an expansion card:

1.Before installing the expansion card, read the documentation that came with it and make the necessary hardware settings for the card.

2.Locate and remove one metal bracket lock screw.

3.Remove the metal bracket lock.

4.Align the card connector with the slot, then press firmly.

5.Secure the card with one screw.

6.Replace the metal braket lock, then secure it with one screw.

1

4

5

2

 

 

5

3

Standard i nterrupt assi gnments

IRQ

Standard Function

0System Timer

1Keyboard Controller

2Programmable Interrupt

4

Communications Port (COM1)

6

Floppy Disk Controller

7*

Printer Port (LPT1)

8

System CMOS/Real Time Clock

9*

ACPI Mode when used

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 I RQs are usuall y available for ISA or PCI devices.

2-14

Chapter 2: Basic installation