HP Armada m300 Specifications Page 96

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Specifications 6-7
6.8 System Interrupts
Table 6-10
System Interrupts
Hardware IRQ System Function
IRQ1 Timer Interrupt
IRQ2 Cascaded
IRQ3 PCMCIA
IRQ4 COM1
IRQ5 Audio (default)*
IRQ6 Diskette drive
IRQ7 Parallel
IRQ8 RTC
IRQ9 Infrared
IRQ10 PCMCIA
IRQ12 Internal Point Stick or External Mouse
IRQ13 Coprocessor (Not available to any peripheral)
IRQ14 IDE Interface (Hard Disk)
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.
6.9 System DMA
Table 6-11
System DMA
Hardware DMA System Function
DMA0 Available for audio
DMA1 Entertainment Audio (Default; Alternate = DMA0, DMA3, None)
DMA2 Diskette Drive
DMA3 ECP Parallel Port LPT1 (Default; Alternate = DMA0, None)
DMA4 DMA Controller Cascading (Not available)
DMA5 Available for PC Card
DMA6 Not Assigned
DMA7 Not Assigned
Note: PC Card controller can use DMA 1, 2, or 5.
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