Via EPIA-5000 User Manual - Page 31

PCI Interrupt Request Routing

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Hardware Setup PCI Interrupt Request Routing The IRQ (Interrupt ReQuest) is the mechanism for devices to request services from the microprocessor. The "PCI & LAN" IRQ pins are typically connected to the PCI bus INT A# ~ INT D# pins as follows: PCI Slot 1 LAN Order 1 INT B# INT B# Order 2 INT C# Order 3 INT D# Order 4 INT A# 2-19

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Hardware Setup
2-19
The IRQ (Interrupt ReQuest) is the mechanism for devices to request
services from the microprocessor. The “PCI & LAN” IRQ pins are typically
connected to the PCI bus INT A# ~ INT D# pins as follows:
PCI Interrupt Request Routing
Order 1
Order 2
Order 3
Order 4
PCI Slot 1
INT B#
INT C#
INT D#
INT A#
LAN
INT B#