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7–14 Maintenance and Service Guide
Specifications
Table 7-11
System Interrupts
IRQ System Function
IRQ0 System timer
IRQ1 Standard 101-/102-Key or Microsoft Natural Keyboard
IRQ2 Cascaded
IRQ3 SMC IrCC - Fast Infrared Port
IRQ4 COM1
IRQ5* Not assigned
IRQ6 Diskette drive
IRQ7* Parallel port
IRQ8 System CMOS/real-time clock
IRQ9* Microsoft ACPI-compliant system
IRQ10* Mobile Intel 915GM/PM Express PCI Express Root Port - 2591
Intel 82801FB/FBM USB Universal Host Controller - 2658
Intel 82801FB/FBM USB Universal Host Controller - 265B
Intel 82801FB/FBM USB2 Enhanced Host Controller - 265C
Intel 82801FB/FBM PCI Express Root Port - 2660
ATI MOBILILITY RADEON X300
SDA Standard Compliant Secure Digital Host Controller
TI OHCI Compliant IEEE 1394 Host Controller
TI PCI GemCore based SmartCard Controller
TI PCIxx21 Integrated FlashMedia Controller
TI PCIxx21/x515 Cardbus controller
Agere System AC '97 Modem