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Specifications
6-7
6.7 System Interrupts
Table 6-7
System Interrupts
Hardware IRQ
System Function
IRQ1
Timer Interrupt
IRQ2
Cascaded
IRQ3
PCMCIA
IRQ4
Modem (COM1)
IRQ5
Audio (default)*
IRQ6
Diskette drive
IRQ7
Parallel
IRQ8
RTC
IRQ9
Infrared
IRQ10
PCMCIA
IRQ11
Network Interface on ArmadaStation/Armada
MiniStation**
IRQ12
Internal Point Stick or External Mouse
IRQ13
Coprocessor (Not available to any peripheral)
IRQ14
IDE Interface (Hard Disk and CD-ROM Drive)
IRQ15
Fixed Disk Drives on the ArmadaStation/Armada
MiniStation
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.
**
Default configuration; possible configurations for ArmadaStation or Armada MiniStation network interface
adapter are IRQ9, IRQ10, IRQ11, or none.