IBASE Technology MBD301, User Manual

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Appendix
MBD301
User’s Manual
53
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 4294967291 PCI Express Root Port
IRQ 0 High precision event timer
IRQ 0 System timer
IRQ 8 High precision event timer
IRQ 7 AMD GPIO Controller
IRQ 28 MZ0380 PCI
IRQ 4294967283 AMD USB 3.10 eXtensible Host Controller - 1.10 (Microsoft)
IRQ 4294967282 AMD USB 3.10 eXtensible Host Controller - 1.10 (Microsoft)
IRQ 4294967281 AMD USB 3.10 eXtensible Host Controller - 1.10 (Microsoft)
IRQ 4294967280 AMD USB 3.10 eXtensible Host Controller - 1.10 (Microsoft)
IRQ 4294967279 AMD USB 3.10 eXtensible Host Controller - 1.10 (Microsoft)
IRQ 4 Communications Port (COM1)
IRQ 3 Communications Port (COM2)
IRQ 5 Communications Port (COM3)
IRQ 10 Communications Port (COM4)
IRQ 53 High Definition Audio Bus
IRQ 53 AMD Audio CoProcessor
IRQ 4294967285 Realtek PCIe GBE Family Controller
IRQ 54 AMD High Definition Audio Controller
IRQ 54 ~ IRQ 204 Microsoft ACPI-Compliant System
IRQ 256 ~ IRQ 511 Microsoft ACPI-Compliant System
IRQ 4294967294 PCI Express Root Port
IRQ 4294967293 PCI Express Root Port
IRQ 4294967292 PCI Express Root Port
IRQ 4294967273 AMD Radeon(TM) Vega 8 Graphics
IRQ 4294967272 AMD Radeon(TM) Vega 8 Graphics
IRQ 4294967271 AMD Radeon(TM) Vega 8 Graphics
IRQ 4294967290 PCI Express Root Port
IRQ 4294967289 Standard SATA AHCI Controller
IRQ 4294967288 Standard SATA AHCI Controller
IRQ 4294967284 AMD USB 3.10 eXtensible Host Controller - 1.10 (Microsoft)
IRQ 4294967278 AMD USB 3.10 eXtensible Host Controller - 1.10 (Microsoft)
IRQ 4294967277 AMD USB 3.10 eXtensible Host Controller - 1.10 (Microsoft)