Kontron pITX-SP - Manual (Page 56)

KTD-S0002-I Page 51 Appendix A: System Resources
p ITX-SP User's Guide
Appendix A: System Resources
A.1 Interrupt Request (IRQ) Lines
Please ensure that the chosen interrupt is not already in use by PCI devices. This table is only valid in legacy
mode (e.g. DOS) - most operating systems are using the APIC assignment.
Legacy mode
IRQ # Used for Available Comment
0 Timer 0 No
1 Keyboard No
2 8259 Slave (Cascade) No
3 PCI IRQ [D] for PCI USB 2.0 controller Note (1)
4 Yes
5 PCI IRQ [C] for PCI USB 1.1 controller port 5/6 Note (1)
6 Yes
7 GPIO IRQ No
8 Real Time Clock (RTC) No
9 ACPI Power Management No
10 PCI IRQ [A] for PCI
11 PCI IRQ [B] for PCI
12 Yes
13 Floating Point Unit (FPU) No
14 Parallel-ATA Controller (P-ATA) No
15 Limited Second P-ATA channel (e.g. WIN XP)