5HP BIOS BIOS Addresses
I/O APIC | IRQ | Interrupt Request Description | |
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INTIN0 | ICH |
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INTIN1 | IRQ1 | Super I/O Keyboard Controller | |
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INTIN2 | IRQ0 | ICH System Timer | |
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INTIN3 | IRQ3 | Super I/O - Used by serial port if enabled | |
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INTIN4 | IRQ4 | Super I/O - Used by serial port if enabled | |
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INTIN5 | IRQ5 | Free if not used for parallel port or audio | |
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INTIN6 | IRQ6 | Super I/O - Floppy Disk Controller | |
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INTIN7 | IRQ7 | Super I/O - LPT1 | |
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INTIN8 | IRQ8 | ICH - RTC | |
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INTIN9 | IRQ9 | Available for PCI devices | |
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INTIN10 | IRQ10 | Available for PCI devices | |
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INTIN11 | IRQ11 | Available for PCI devices | |
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INTIN12 | IRQ12 | Super I/O - Mouse | |
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INTIN13 | IRQ13 | ||
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INTIN14 | IRQ14 | ICH - Integrated IDE Controller (primary) | |
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INTIN15 | IRQ15 | ICH - Integrated IDE Controller (secondary). | |
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INTIN16 | PCINTA |
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INTIN17 | PCINTB |
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INTIN18 | PCINTC |
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INTIN19 | PCINTD |
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INTIN20 | TFPC IRQ |
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INTIN21 | SCI IRQ |
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INTIN22 | not connected |
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INTIN23 | ICH SMI |
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