MSI 845PE-V2 Series Manuale di istruzioni - Pagina 15
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PCI Interrupt Request Routing
The IRQ, abbreviation of interrupt request line and pronounced I-R-Q, are hardware lines over which
devices can send interrupt signals to the microprocessor. The PCI IRQ pins are typically connected to
the PCI bus INT A# ~ INT D# pins as follows:
Order1
PCI Slot 1
INT B#
PCI Slot 2
INT C#
PCI Slot 3
INT D#
PCI Slot 4
INT B#
Order2
Order3
INT C#
INT D#
INT D#
INT A#
INT A#
INT B#
INT C#
INT D#
Order4
INT A#
INT B#
INT C#
INT A#
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