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CSS Laboratories
Section 4 – Technical References
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IRQ9, IRQ10, IRQ11, IRQ12, IRQ15, IRQ3, IRQ4, IRQ5 and IRQ7 can be
redirected to PCI add-in boards.
The PCI standard has a 4-IRQ limitation. Some PCI add-in boards do not require
IRQs. Some can share an IRQ with another board of the same model and
manufacture. Check the add-in board documentation for IRQ information.