IBASE Technology MI981, User Manual, Page: 63 / 68

APPENDIX
MI981 User’s Manual 59
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
0000h-001Fh Direct memory access controller
0000h-001Fh PCI bus
0040h-0043h System timer
0050h-0053h System timer
0070h-0077h System CMOS/real time clock
0081h-0091h Direct memory access controller
0093h-009Fh Direct memory access controller
00C0h-00DFh Direct memory access controller
00F0h-00F0h Numeric data processor
02E0h-02E7h Communications Port (COM6)
02E8h-02EFh Communications Port (COM4)
02F0h-02F7h Communications Port (COM5)
02F8h-02FFh Communications Port (COM2)
03B0h-03BBh Intel(R) HD Graphics 4600
03C0h-03DFh Intel(R) HD Graphics 4600
03E8h-03EFh Communications Port (COM3)
03F8h-03FFh Communications Port (COM1)
0D00h-FFFFh PCI bus
E000h-EFFFh Intel(R) 8 Series/C220 Series PCI Express Root Port #7
- 8C1C
F000h-F03Fh Intel(R) HD Graphics 4600
F040h-F05Fh Intel(R) 8 Series/C220 Series SMBus Controller - 8C22
F060h-F07Fh Intel(R) 8 Series/C220 Series SATA AHCI Controller -
8C02
F0A0h-F0A3h Intel(R) 8 Series/C220 Series SATA AHCI Controller -
8C02
F0B0h-F0B7h Intel(R) 8 Series/C220 Series SATA AHCI Controller -
8C02
F0C0h-F0C3h Intel(R) 8 Series/C220 Series SATA AHCI Controller -
8C02
F0D0h-F0D7h Intel(R) 8 Series/C220 Series SATA AHCI Controller -
8C02
F0E0h-F0E7h Intel(R) Active Management Technology - SOL
(COM7)