Manual

SubCompact Board GENE-5315
Appendix B I/O Information B - 3
B.3 IRQ Mapping Chart for Rev.A
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 Floppy IRQ14 Primary IDE
IRQ7 Printer IRQ15 Reserved
B.4 IRQ Mapping Chart for Rev.B
IRQ0 System Timer IRQ8 System CMOS / Real
time clock
IRQ1 Keyboard IRQ9 COM6
IRQ2 Cascade to IRQ Controller IRQ10 COM3
IRQ3 COM2 IRQ11 Microsoft ACPI –
Compliant system
IRQ4 COM1 IRQ12 PS/2 mouse
IRQ5 COM4 IRQ13 FPU
IRQ6 Floppy IRQ14 Primary IDE
IRQ7 COM5/ Printer IRQ15 Reserved
B.5 DMA Channel Assignments
DMA Channel Function
0 Available
1 Available
2 Floppy
3 Available