MSI AmethystM Manual page 30

PCI Interrupt Request Routing
The IRQ, acronym of interrupt request line and pronounced I-R-Q, are hard-
ware lines over which devices can send interrupt signals to the microprocessor. The
PCI IRQ pins are typically connected to the PCI bus pins as follows:
Order 1
PCI Slot 1 INT E#
PCI Slot 2 INT F#
PCI Slot 3 INT G#
Order 2 Order 3
INT F# INT G#
INT G# INT H#
INT H# INT E#
Hardware Setup
Order 4
INT H#
INT E#
INT F#
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