B.3 Irq Mapping Chart - Aaeon PCM-5895 Manual

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

B.3 IRQ Mapping Chart

IRQ0 System Timer
IRQ1 Keyboard
IRQ2 Cascade to IRQ Controller
IRQ3 COM2
IRQ4 COM1
IRQ5 Unused
IRQ6 Floppy
IRQ7 Printer
B.4 DMA Channel Assignments
DMA Channel
0
1
2
3
P C M - 5 8 9 5 R e v . B
IRQ8 System CMOS / Real time
clock
IRQ9 Microsoft ACPI –
Compliant system
IRQ10 COM3
IRQ11 COM4
IRQ12 PS/2 mouse
IRQ13 FPU
IRQ14 Primary IDE
IRQ15 Reserved
Function
Available
Available
Floppy
Available
Appendix B I/O Information
B - 3