Hardware Specifications and Configurations 1-41
System Interrupt Specification (Discrete)
Hardware IRQ System Function
IRQ0 System timer
IRQ1 Standard PS/2 keyboard
IRQ2 Not in use
IRQ3 Not in use
IRQ5 Not in use
IRQ6 Not in use
IRQ7 Not in use
IRQ8 System CMOS/real time clock
IRQ9 Broadcom xD Picture Card Host Controller
IRQ10 Not in use
IRQ11 Not in use
IRQ12 PS/2 port Touchpad
IRQ13 Numeric data processor
IRQ14 Not in use
IRQ15 Not in use
IRQ 16 NVIDIA GeForce GT 620M
IRQ 16 Intel(R) 7 Series/C216 Chipset Family PCI Express Root Port 1 -
1E10
IRQ 16 Intel(R) Management Engine Interface
IRQ 16 Xeon E3-1200/2nd Generation Intel(R) Core(TM) Processor Family
PCI Express Root Port - 0101
IRQ 16 Intel(R) 7 Series/C216 Chipset Family USB Enhanced Host
Controller - 1E2D
IRQ 0 System timer
IRQ 4294967291 Realtek PCIE CardReader
IRQ 18 Intel(R) 7 Series/C216 Chipset Family PCI Express Root Port 3 -
1E14
IRQ 1 Standard PS/2 Keyboard
IRQ 4294967294 Realtek PCIe GBE Family Controller
IRQ 19 Intel(R) 7 Series/C216 Chipset Family PCI Express Root Port 4 -
1E16
IRQ 19 Qualcomm Atheros AR5BWB222 Wireless Network Adapter
IRQ 19 Intel(R) 7 Series Chipset Family SATA AHCI Controller
IRQ 8 System CMOS/real time clock
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