1-40 Hardware Specifications and Configurations
System Interrupt Specification
Hardware IRQ System Function
IRQ0 High precision event 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 High precision event timer
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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