Onyx ONYX-1721 - A.3 IRQ Mapping Chart; A.4 DMA Channel Assignments

Slim Medical Panel PC ONYX-1721/1921
Appendix A I/O Information A-3
A.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 Unused
IRQ3 COM2 IRQ11 Unused
IRQ4 COM1 IRQ12 PS/2 mouse
IRQ5 Unused IRQ13 FPU
IRQ6 Unused IRQ14 Primary IDE
IRQ7 Printer IRQ15 Secondary
IDE
A.4 DMA Channel Assignments
DMA
Channel
Function
0 Available
1 Available
2 Unused
3 Available
4 Direct Memory Access Controller
5 Available
6 Available
7 Available