User manual

39 SOM-4461 A2 Version User Manual
Appendix B System Assignments
B.2 DMA Channel Assignments
0x00000070-0x00000073 System CMOS/real time clock
0x00000061-0x00000061 System speaker
0x000000F0-0x000000FF Numeric data processor
0x000003F8-0x000003FF Communications Port (COM1)
0x000002F8-0x000002FF Communications Port (COM2)
0x00000378-0x0000037F Printer Port (LPT1)
0x00000778-0x0000077B Printer Port (LPT1)
0x00000060-0x00000060 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0x00000064-0x00000064 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
0x000003E8-0x000003EF Communications Port (COM3)
0x000002E8-0x000002EF Communications Port (COM4)
0x00000400-0x000004BF Motherboard resources
0x0000F800-0x0000F80F
Intel(R) 82801G (ICH7 Family) Ultra ATA Storage Controllers -
27DF
0x000001F0-0x000001F7 Primary IDE Channel
0x000003F6-0x000003F6 Primary IDE Channel
0x0000F700-0x0000F707
Intel(R) 82801GBM/GHM (ICH7-M Family) Serial ATA Storage
Controller - 27C4
0x0000F600-0x0000F603
Intel(R) 82801GBM/GHM (ICH7-M Family) Serial ATA Storage
Controller - 27C4
0x0000F500-0x0000F507
Intel(R) 82801GBM/GHM (ICH7-M Family) Serial ATA Storage
Controller - 27C4
0x0000F400-0x0000F403
Intel(R) 82801GBM/GHM (ICH7-M Family) Serial ATA Storage
Controller - 27C4
0x0000F300-0x0000F30F
Intel(R) 82801GBM/GHM (ICH7-M Family) Serial ATA Storage
Controller - 27C4
0x00000500-0x0000051F Intel(R) 82801G (ICH7 Family) SMBus Controller - 27DA
Table B.1: System I/O Ports
Table B.2: DMA Channel Assignments
Resource Device
Channel 4 Direct memory access controller
Note! SOM-4461 supports DMA function by request.