Intel PCM-9452 User Manual Page 61

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Compact Board PCM-9452
Appendix B I/O Information B - 3
B.3 IRQ Mapping Chart
IRQ0 System Timer IRQ8 System CMOS / Real
time clock
IRQ1 Keyboard IRQ9 Microsoft ACPI –
Compliant system
IRQ2 Cascade to IRQ Controller IRQ10 COM3
IRQ3 COM2 IRQ11 COM4
IRQ4 COM1 IRQ12 PS/2 mouse
IRQ5 Unused IRQ13 FPU
IRQ6 Reserved IRQ14 Primary IDE
IRQ7 Printer IRQ15 Reserved
B.4 DMA Channel Assignments
DMA Channel Function
0 Available
1 Available
2 Available
3 Available
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