User Guide

Chapter 2: Hardware Information
2-28
2.5.2 Configuring an expansion card
Afterinstallingtheexpansioncard,congurethesoftwaresettingsifneeded.
1. TurnonthesystemandchangeanynecessaryBIOSsettings.See
Chapter 5
for
informationontheBIOSsetup.
2. AssignanIRQtothecard.Refertothefollowingtable.
3. Installthesoftwaredriversfortheexpansioncard.
* These IRQs are usually available for ISA or PCI devices.
Standard Interrupt assignments
IRQ Priority Standard function
0 1 System Timer
1 2 KeyboardController
2 - ProgrammableInterrupt
3* - --
4* 9 CommunicationsPort(COM1)
5* 10 PrintPort(LPT1)
6 - --
7* - --
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* - --
15* - --