Appendix a. address mapping, Io address map – Acrosser AR-B1790 User Manual
Page 37
Advertising

AR-B1790 User’s Guide
37
APPENDIX A. ADDRESS MAPPING
IO Address Map
I/O MAP
ASSIGNMENT
000-01F
DMA controller (Master)
020-021
Interrupt controller (Master)
022-023
Chipset controller registers I/O ports.
040-05F
Timer control registers.
060-06F
Keyboard interface controller
070-07F
RTC ports & CMOS I/O ports
080-09F
DMA register
0A0-0BF
Interrupt controller (Slave)
0C0-0DF
DMA controller (Slave)
0F0-0FF
Math coprocessor
1F0-1F7
Primary IDE Channel
170-177
Secondary IDE Channel
2E8-2EF
Serial port-4
2F8-2FF
Serial port-2
378-37F
Parallel port
3B0-3DF
Graphics Controller
3E8-3EF
Serial port-3
3F0-3F7
Floppy disk controller
3F8-3FF
Serial port-1
Advertising