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C. Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the service required.
The following table shows the IRQ used by the devices on board.
Communications Port (COM2)
Communications Port (COM1)
Communications Port (COM3)
Communications Port (COM4)
System CMOS/real time clock
Communications Port (COM5)
Communications Port (COM6)
High Definition Audio Controller
PCI standard PCI-to-PCI bridge
Standard Enhanced PCI to USB Host Controller
Standard Enhanced PCI to USB Host Controller
High Definition Audio Controller
Standard Open HCD USB Host Controller
Standard Open HCD USB Host Controller
Standard Open HCD USB Host Controller
Standard Open HCD USB Host Controller
PCI standard PCI-to-PCI bridge
AMD SATA Controller (IDE Mode)
