6.10 System Interrupts
| Table | |
| System Interrupts | |
Hardware IRQ | System Function | |
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IRQ0 | System timer | |
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IRQ1 | Keyboard controller | |
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IRQ2 | Cascaded | |
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IRQ3 | COM2 | |
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IRQ4 | COM1 | |
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IRQ5 | Audio (default)* | |
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IRQ6 | Diskette drive | |
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IRQ7 | Parallel port | |
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IRQ8 | Real Time Clock (RTC) | |
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IRQ9 | Infrared | |
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IRQ10 | System use | |
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IRQ11 | System use | |
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IRQ12 | Internal Point Stick or External Mouse | |
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IRQ13 | Coprocessor (Not available to any peripheral) | |
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IRQ14 | IDE Interface (Hard Disk and | |
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IRQ15 | Fixed Disk Drives on the ArmadaStation/Armada | |
| MiniStation | |
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Notes:
PCMCIA cards may assert IRQ3, IRQ4, IRQ5, IRQ7, IRQ9, IRQ10, IRQ11, or IRQ15. Either the infrared or the serial port may assert IRQ3 or IRQ4.
*Default configuration; audio possible configurations are: IRQ5, IRQ7, IRQ9, IRQ10, or none.
Specifications