User manual

67 SOM-5894 User Manual
Appendix D System Assignments
D.2 DMA Channel Assignments
D.3 Interrupt Assignments
F060-F07F Ethernet Controller
F080-F08F Standard Dual Channel PCI IDE Controller
F090-F09F Standard Dual Channel PCI IDE Controller
F0A0-F0A3 Standard Dual Channel PCI IDE Controller
F0B0-F0B7 Standard Dual Channel PCI IDE Controller
F0C0-F0C3 Standard Dual Channel PCI IDE Controller
F0D0-F0D7 Standard Dual Channel PCI IDE Controller
F0E0-F0EF Standard Dual Channel PCI IDE Controller
F0F0-F0FF Standard Dual Channel PCI IDE Controller
F100-F103 Standard Dual Channel PCI IDE Controller
F110-F117 Standard Dual Channel PCI IDE Controller
F120-F123 Standard Dual Channel PCI IDE Controller
F130-F137 Standard Dual Channel PCI IDE Controller
FFFF-FFFF Motherboard resources
Table D.2: DMA Channel Assignments
Channel Function
3 ECP Printer Port (LPT1)
4 Direct memory access controller
Table D.3: Interrupt Assignments
Interrupt# Interrupt Source
NMI Parity error detected
IRQ 0 System timer
IRQ 1 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
IRQ 3 Communications Port (COM2)
IRQ 4 Communications Port (COM1)
IRQ 8 System CMOS/real time clock
IRQ 9 Microsoft ACPI-Compliant System
IRQ 12 PS/2 Compatible Mouse
IRQ 13 Numeric data processor