1-44 Hardware Specifications and Configurations
System Interrupt Specification
Hardware IRQ System Function
IRQ0 System timer
IRQ1 Microsoft® Natural Keyboard
IRQ2 Cascaded
IRQ3 SerialPort2 (Reserved)
IRQ4 SerialPort1 (Reserved)
IRQ5
SATA Controller #2, Bus0, Dev11h, Func0.
Wireless LAN Controller, Bus3, Dev0, Func0.
IRQ6 Diskette drive (Reserved)
IRQ7
USB #1 OHCI Controller #0, Bus0, Dev12h, Func0.
USB #2 OHCI Controller #0, Bus0, Dev13h, Func0.
USB #3 OHCI Controller #0, Bus0, Dev16h, Func0.
USB #4 OHCI Controller, Bus0, Dev14h, Func5.
IRQ8 System CMOS/real-time clock
IRQ9 Microsoft ACPI-compliant system
IRQ10
Integrate Graphic Controller, Bus0, Dev1h, Func1.
USB #1 EHCI Controller, Bus0, Dev12h, Func2.
USB #2 EHCI Controller, Bus0, Dev13h, Func2.
USB #3 EHCI Controller, Bus0, Dev16h, Func2.
Card Reader Controller, Bus2, Dev0, Func1~3.
IRQ11
Integrate Graphic Controller, Bus0, Dev1h, Func0.
Discrete Graphic Controller, Bus1, Dev0, Func0.
High Definition Audio, Bus0, Dev14, Func2.
Ethernet Controller, Bus2, Dev0, Func0.
IRQ12 Synaptics PS/2 TouchPad
IRQ13 Numeric data processor
IRQ14 Primary IDE channel (Reserved)
IRQ15 Secondary IDE channel (Reserved)