Chapter 2
2-24
Order 1 Order 2 Order 3 Order 4
AGP
INT E# INT A#
PCI Slot 1 INT A# INT B# INT C# INT D#
PCI Slot 2 INT B# INT C# INT D# INT A#
PCI Slot 3 INT C# INT D# INT A# INT B#
PCI Slot 1~3: Bus Master.
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 IRQ pins are typically connected to the PCI bus INTA#-
INTE# pins as follows:
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