IBASE IB905 - Manual (Page 57)

APPENDIX
IB905 User’s Manual 53
Appendix
A. I/O Port Address Map
Each peripheral device in the system is assigned a set of I/O port
addresses which also becomes the identity of the device. The following
table lists the I/O port addresses used.
Address Device Description
000h - 01Fh DMA Controller #1
020h - 03Fh Interrupt Controller #1
040h - 05Fh Timer
060h - 064h Keyboard Controller
070h - 07Fh Real Time Clock, NMI
080h - 09Fh DMA Page Register
0A0h - 0BFh Interrupt Controller #2
0C0h - 0DFh DMA Controller #2
0F0h Clear Math Coprocessor Busy Signal
0F1h Reset Math Coprocessor
E000-E01F Network Connection
F060-F07F Network Connection
F080-F0D7 SATA Storage Controller
2F8h - 2FFh Serial Port #2(COM2)
3B0h- 3BBh Graphics adapter Controller
3F8h - 3FFh Serial Port #1(COM1)
3D0h - 3DFh CGA adapter