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IRQ Numbers

IRQ 0 - System timer

IRQ 1 - Standard 101/102-Key or Microsoft Natural PS/2 Keyboard

IRQ 3 - Communications Port (COM2)

IRQ 4 - Communications Port (COM1)

IRQ 8 - System CMOS/real time clock

IRQ 9 - Microsoft ACPI-Compliant System

IRQ 11 - Intel(R) 82801G (ICH7 Family) SMBus Controller - 27DA

IRQ 12 - PS/2 Compatible Mouse

IRQ 13 - Numeric data processor

IRQ 14 - Primary IDE Channel

IRQ 15 - Secondary IDE Channel

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