AAEON PCM-5895 Rev.B User Manual

Page 69

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C o m p a c t B o a r d

P C M - 5 8 9 5 R e v . B

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 Floppy

IRQ14 Primary

IDE

IRQ7 Printer

IRQ15 Reserved

B.4 DMA Channel Assignments

DMA Channel

Function

0 Available
1 Available

2 Floppy
3 Available

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