Hardware Setup
2-31
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 as
follows:
Order 1
Order 2
Order 3
Order 4
PCI Slot 1
INT C#
INT F#
INT G#
INT A#
PCI Slot 2
INT F#
INT G#
INT A#
INT C#
PCI Slot 3
INT G#
INT A#
INT C#
INT F#
PCI Slot 4
INT A#
INT C#
INT F#
INT G#
