User manual

25 SOM-7565 A2 User Manual
Appendix C System Assignments
C.2 DMA Channel Assignments
C.3 Interrupt Assignments
0A00 - 0A0F Motherboard resources
0A79 - 0A79 ISAPNP Read Data Port
0D00 - FFFF PCI bus
D080 - D087 Intel(R) Graphic Media Accelerator 3150
D400 - D41F Intel 82567V-3 Gigabit Network Connection
D480 - D49F Standard Universal PCI to USB Host Controller
D800 - D81F Intel ICH8 Family USB Universal Host Controller - 2832
D880 - D89F Intel ICH8 Family USB Universal Host Controller - 2831
DC00 - DC1F Intel ICH8 Family USB Universal Host Controller - 2830
E080 - E08F Intel ICH8M 3 port Serial ATA Storage Controller - 2828
E400 - E40F Intel ICH8M 3 port Serial ATA Storage Controller - 2828
E480 - E483 Intel ICH8M 3 port Serial ATA Storage Controller - 2828
E800 - E807 Intel ICH8M 3 port Serial ATA Storage Controller - 2828
E880 - E883 Intel ICH8M 3 port Serial ATA Storage Controller - 2828
EC00 - EC07 Intel ICH8M 3 port Serial ATA Storage Controller - 2828
FFA0 - FFAF Intel ICH8M Ultra ATA Storage Controller - 2850
Table C.1: System I/O ports
Table C.2: DMA channel assignments
Channel Function
0 Available
1 Available
2 Available
3 Available
4 Direct memory access controller
5 Available
6 Available
7 Available
Table C.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
IRQ2 Available
IRQ3 Available
IRQ 4 Communications Port (COM1)
IRQ 5 Available
IRQ 6 Available
IRQ 7 Available
IRQ 8 System CMOS/real time clock