Pci Interrupt Request Routing - MSI 845PE Neo Series Manual

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 "AGP/PCI/LAN" IRQ pins are typically connected to the
PCI bus INT A# ~ INT F# pins as follows:
Order1
PCI Slot 1 INT B#
PCI Slot 2 INT C#
PCI Slot 3 INT D#
PCI Slot 4 INT B#
PCI Slot 5 INT A#
(Two Master)
10/100 LAN INT F#
AGP Slot INT A#
Order2 Order3
INT C# INT D#
INT D# INT A#
INT A# INT B#
INT C# INT D#
INT B# INT C#
INT B#
Hardware Setup
Order4
INT A#
INT B#
INT C#
INT A#
INT D#
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