Hardware Specifications and Configurations 1-51
System Interrupt Specification
Hardware IRQ System Function
IRQ0 System timer
IRQ1 Standard PS/2 Keyboard
IRQ2 Not in use
IRQ3 Not in use
IRQ4* Direct memory access controller
IRQ5* Not in use
IRQ6 Not in use
IRQ7* Not in use
IRQ8 System CMOS/real-time clock
IRQ9* Not in use
IRQ10* Not in use
IRQ11* Not in use
IRQ12 Synaptics PS/2 Port Touchpad
IRQ13 Numeric data processor
IRQ14* Not in use
IRQ15* Not in use
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