Irq Mapping Chart; Dma Channel Assignments - Aaeon PFM-620S Manual

P C / 1 0 4 C P U M o d u l e
B.3 IRQ Mapping Chart
IRQ0 System Timer
IRQ1 Keyboard
IRQ2 Cascade to IRQ Controller
IRQ3 COM2
IRQ4 COM1
IRQ5 Unused
IRQ6 Unused
IRQ7 Printer
B.4 DMA Channel Assignments
DMA Channel
0
1
2
3
4
5
6
7
P F M - 6 2 0 S R e v . B
IRQ8 System CMOS / Real
time clock
IRQ9 Unused
IRQ10 Unused
IRQ11 Unused
IRQ12 PS/2 mouse
IRQ13 FPU
IRQ14 Primary IDE
IRQ15 Secondary IDE
Function
Available
Available
Unused
Available
Direct Memory Access Controller
Available
Available
Available
Appendix B I/O Informaion
B - 3