User Guide

Chapter 2: Hardware setup
2-20
2.5.3 Configuring an expansion card
Afterinstallingtheexpansioncard,congureitbyadjustingthesoftwaresettings.
1. Turn on the system and change the necessary BIOS settings, if any. See Chapter 5 for
information on BIOS setup.
2. Assign an IRQ to the card. Refer to the following tables.
3. Install the software drivers for the expansion card.
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 - Programmable Interrupt
3* 11 CommunicationsPort(COM2)
4* 12 CommunicationsPort(COM1)
5* 13 --
6 14 Floppy Disk Controller
7* 15 --
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