Pci Interrupt Request Routing - VIA Technologies VIA P4PB 266E User Manual

PCI Interrupt Request Routing

IRQ allows devices to send interrupt signals to the microprocessor. The PCI
IRQ pins are typically connected to the PCI bus INT A# ~ INT D# pins as
follows:
PCI Slot 1
PCI Slot 2
PCI Slot 3
PCI Slot 4
PCI Slot 5
Order 1 Order 2
INT A# INT B#
INT B# INT C#
INT C# INT D#
INT D# INT A#
INT A# INT B#
2-23
Installation
Order 3 Order 4
INT C# INT D#
INT D# INT A#
INT A# INT B#
INT B# INT C#
INT C# INT D#