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2.5.3
Configuring an expansion card
After installing the expansion card, configure 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.
Assign an IRQ to the card. Refer to the Standard Interrupt assignments table for
2.
more information.
3.
Install the software drivers for the expansion card.
Standard Interrupt assignments
IRQ
Priority
0
1
1
2
2
-
3*
11
4*
12
5*
13
6
14
7*
15
8
3
9*
4
10*
5
11*
6
12*
7
13
8
14*
9
15*
10
* These IRQs are usually available for ISA or PCI devices.
2-40
Standard function
System Timer
Keyboard Controller
Programmable Interrupt
Communications Port (COM2)
Communications Port (COM1)
--
Floppy Disk Controller
--
System CMOS/Real Time Clock
ACPI Mode when used
IRQ Holder for PCI Steering
IRQ Holder for PCI Steering
PS/2 Compatible Mouse Port
Numeric Data Processor
Primary IDE Channel
Secondary IDE Channel
Chapter 2: Hardware Setup
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