IBASE Technology MBN500, Руководство пользователя

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APPENDIX
40 MBN500 Series User’s Manual
B. 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.
Level Function
IRQ 0 System timer
IRQ 3 Communications Port (COM2)
IRQ 4 Communications Port (COM1)
IRQ 8 High precision event timer
IRQ 13 Numeric data processor
IRQ 18 Standard Enhanced PCI to USB Host Controller
IRQ 18 Standard Enhanced PCI to USB Host Controller
IRQ 19 AMD SATA Controller
IRQ81 Microsoft ACPI-Compliant System
IRQ82 Microsoft ACPI-Compliant System
IRQ83 Microsoft ACPI-Compliant System
IRQ84 Microsoft ACPI-Compliant System