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PCI Interrupt Request Routing
The IRQ, acronym of interrupt request line and pronounced
| Order 1 | Order 2 | Order 3 | Order 4 |
PCI Slot 1 | INT A# | INT B# | INT C# | INT D# |
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PCI Slot 2 | INT B# | INT C# | INT D# | INT A# |
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PCI Slot 3 | INT D# | INT A# | INT B# | INT C# |
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PCI Slot 4 | INT C# | INT D# | INT A# | INT B# |
PCI Slot 5 | INT B# | INT C# | INT D# | INT A# |