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2-14 Chapter 2: Basic installation
2.7.2 Expansion card installation
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 rmly.
5. Secure the card with one screw.
6. Replace the metal braket lock, then secure it with one screw.
Standard interrupt assignments
IRQ Standard Function
0 System Timer
1 Keyboard Controller
2 Programmable 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 IRQs are usually available for ISA or PCI devices.
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