Appendix; I/O Port Address Map - American Megatrends MI890 User Manual

Appendix

A. I/O Port Address Map
Each peripheral device in the system is assigned a set of I/O port
addresses that also becomes the identity of the device. The following table
lists the I/O port addresses used.
Address
0000h-0CF7h
0000h-0CF7h
0010h-001Fh
0020h-0021h
0022h-003Fh
0040h-0043h
0044h-005Fh
0060h-0060h
0061h-0061h
0062h-0063h
0064h-0064h
0065h-006Fh
0070h-0071h
0072h-007Fh
0080h-0080h
0081h-0083h
0084h-0086h
0087h-0087h
0088h-0088h
0089h-008Bh
008Ch-008Eh
008Fh-008Fh
0090h-009Fh
00A0h-00A1h
00A2h-00BFh
00C0h-00DFh
00E0h-00EFh
00F0h-00FFh
01F0h-01F7h
0274h-0277h
0279h-0279h
Device Description
PCI bus
Direct memory access controller
Motherboard resources
Programmable interrupt controller
Motherboard resources
System timer
Motherboard resources
Motherboard resources
System speaker
Motherboard resources
Motherboard resources
Motherboard resources
System CMOS/real time clock
Motherboard resources
Motherboard resources
Direct memory access controller
Motherboard resources
Direct memory access controller
Motherboard resources
Direct memory access controller
Motherboard resources
Direct memory access controller
Motherboard resources
Programmable interrupt controller
Motherboard resources
Direct memory access controller
Motherboard resources
Numeric data processor
Primary IDE Channel
ISAPNP Read Data Port
ISAPNP Read Data Port
MI890 User's Manual
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