
Chapter 2
2-26
Order 1 Order 2 Order 3 Order 4
AGP INT A# INT B#
PCI Slot 1 INT D# INT A# INT B# INT C#
PCI Slot 2 INT C# INT D# INT A# INT B#
PCI Slot 3 INT C# INT D# INT A# INT B#
PCI Slot 4 INT A# INT B# INT C# INT D#
PCI Slot 5 INT D# INT A# INT B# INT C#
Promise RAID INT B#
LAN INT A#
AGP & PCI Slot 4 & LAN shared.
PCI Slot 1 & PCI Slot 5 shared.
PCI Slot 2 & PCI Slot 3 shared.
PCI Slot 1~5: 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/Promise RAID/LAN” IRQ pins are typically connected
to the PCI bus INTA#-INTD# pins as follows:
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