Intel D865PCK D865PCK Technical Product Specification - Page 36
Table 14., PCI Interrupt Routing Map
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Intel Desktop Board D865PCK Technical Product Specification Table 14. PCI Interrupt Routing Map PCI Interrupt Source PIRQA AGP connector INTA ICH5 USB UHCI controller 1 INTA SMBus controller ICH5 USB UHCI controller 2 AC '97 ICH5 Audio ICH5 LAN ICH5 USB UHCI controller 3 ICH5 USB UHCI controller 4 INTA ICH5 USB 2.0 EHCI controller PCI bus connector 1 PCI bus connector 2 PCI bus connector 3 INTD PIRQB INTB INTB INTB INTA ICH5 PIRQ Signal Name PIRQC PIRQD PIRQE PIRQF INTB INTC INTA INTB INTC INTD INTC INTA INTB PIRQG INTB INTA PIRQH INTD INTC INTD NOTE In PIC mode, the ICH5 can connect each PIRQ line internally to one of the IRQ signals (3, 4, 5, 6, 7, 9, 10, 11, 12, 14, and 15). Typically, a device that does not share a PIRQ line will have a unique interrupt. However, in certain interrupt-constrained situations, it is possible for two or more of the PIRQ lines to be connected to the same IRQ signal. Refer to Table 13 for the allocation of PIRQ lines to IRQ signals in APIC mode. 36