IBASE MB968 - Manual (Page 71)

DRIVERS INSTALLATION
71
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 System Timer
060h - 064h Keyboard Controller
070h - 07Fh Real Time Clock
080h - 09Fh DMA Controller #2
0A0h - 0BFh Interrupt Controller #2
0C0h - 0DFh DMA Controller #3
0F0h Clear Math Coprocessor Busy Signal
0F1h Reset Math Coprocessor
3B0h- 3DFh Graphics adapter Controller
3F8h - 3FFh Serial Port #0 (COM1)
2F8h - 2FFh Serial Port #1 (COM2)
3E8h – 3EFh Serial Port #2 (COM3)
2E8h – 2EFh Serial Port #3 (COM4)
3E8h - 3EFh Serial Port #4 (COM5)
2E8h - 2EFh Serial Port #5 (COM6)
360h - 36Fh Network Ports