Manual

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