User Guide

Chapter 2: Hardware Setup
2-26
2.7.3 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
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
*TheseIRQsareusuallyavailableforPCIdevices.