IBASE Technology MI963F, User Manual

Page: 62 / 68

54 MI963F
User’s Manual
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
0000h-0000h Direct memory access controller
0010h-001Fh Motherboard resources
0020h-0021h Programmable interrupt controller
0022h-003Fh Motherboard resources
0040h-0043h System timer
0044h-005Fh Motherboard resources
0061h-0061h System speaker
0063h-0063h Motherboard resources
0065h-0065h Motherboard resources
0070h-0071h System CMOS/real time clock
0072h-007Fh Motherboard resources
0081h-0083h Direct memory access controller
00F0h-00FFh Numeric data processor
03B0h-03BBh
AMD Radeon™ R5E Graphic
0238H-023Fh Communications Port (COM5)
02E8H-02EFh Communications Port (COM4)
02F8H-02FFh Communications Port (COM2)
0338H-033Fh Communications Port (COM6)
03E8H-03EFh Communications Port (COM3)
03F8H-03FFh Communications Port (COM1)