Multifunctional expansion cards or expansion cards with integrated
These expansion cards require up to four PCI interrupts: INT A, INT B, INT C, INT D. How many and which of these interrupts are used is specified in the documentation provided with the card.
The assignment of the PCI interrupts to the IRQ Lines is shown in the following table:
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| Controller or slot INT |
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| On board controller |
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| Mechanical slot |
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PCI |
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| 1 | 2 | 3 | 4 | 5 |
| 6 | 7 | ||||
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| USB 1.1 |
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| Slot PCI |
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INT |
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| USB 2.0 |
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| PCI Slot 1 |
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| SMBus | LAN |
| PCIe x8 | PCIe x1 |
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LINE |
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| 1st | 2nd | 3rd |
| 4th |
| 2 | 3 |
| 4 | 5 | ||||||
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1 (A) | – |
| – |
| – | – | – | – |
| A | – | C | – | – |
| – | – |
2 (B) | – | – | – |
| – | – | – | – |
| B | – | D | – | – |
| – | A |
3 (C) | – | – | – |
| – | – | – | X |
| – | D | A | C | A |
| D | B |
4 (D) | – | – | – |
| – | – | X | – |
| – | C | B | D | B |
| A | C |
5 (E) | – | – | – |
| X | – | – | – |
| – | – | – | – | – |
| – | – |
6 (F) | – | – | X |
| – | – | – | – |
| – | B | – | A | C |
| B | D |
7 (G) | – | X | – |
| – | – | – | – |
| – | A | – | B | D |
| C | – |
8 (H) | X | – | – |
| – | X | – | – |
| – | – | – | – | – |
| – | – |
Use first PCI/PCI Express slots that have a single PCI IRQ Line (no IRQ sharing). If you must use another PCI/PCI Express slot with IRQ sharing, check whether the expansion card properly supports IRQ sharing with the other devices on this PCI IRQ Line. The drivers of all cards and components on this PCI IRQ Line must also support IRQ sharing.
24 | D1859 (Econel 50) |
