Appendix; I/O Port Address Map - IBASE Technology IB908F User Manual

APPENDIX

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
000h - 01Fh
020h - 021h
040h - 043h
060h - 060h
070h - 077h
081h - 091h
0A0h – 0A1h
081h - 091h
040h – 05Fh
2F8h - 2FFh
3C0h- 3DFh
D000 - FFFh
3F8h - 3FFh
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Device Description
DMA Controller #1
Interrupt Controller #1
Timer
Keyboard Controller
Real Time Clock, NMI
DMA Page Register
Interrupt Controller #2
DMA Controller #2
SMBus Controler
Serial Port #2(COM2)
Graphics adapter Controller
PCI-e Root Ports
Serial Port #1(COM1)
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