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50
Chapter 3
BIOS Configuration
IRQn
The following is a list of IRQs (Interrupt Request Lines) assigned to common
system peripherals.
IRQ3 (COM2) IRQ10 (Reserved)
IRQ4 (COM1) IRQ11 (Reserved)
IRQ5 (LPT2) IRQ12 (PS/2 Mouse)
IRQ6 (Floppy Disk) IRQ13 (Coprocessor)
IRQ7 (LPT1) IRQ14 (Hard Disk)
IRQ8 (RTC Alarm) IRQ15 (Reserved)
IRQ9 (IRQ2 Redir)
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