Ibase IB827 Manuel d'utilisateur télécharger pdf (Page 56)

APPENDIX

IB827 User’s Manual

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 Timer

060h - 06Fh Keyboard Controller

070h - 07Fh Real Time Clock, NMI

080h - 09Fh DMA Page Register

0A0h - 0BFh Interrupt Controller #2

0C0h - 0DFh DMA Controller #2

0F0h Clear Math Coprocessor Busy Signal

0F1h Reset Math Coprocessor

1F0h - 1F7h IDE Interface

278 - 27F Parallel Port #2(LPT2)

2F8h - 2FFh Serial Port #2(COM2)

2B0 - 2DF Graphics adapter Controller

378h - 3FFh Parallel Port #1(LPT1)

360 - 36F Network Ports

3B0 - 3BF Monochrome & Printer adapter

3C0 - 3CF EGA adapter

3D0 - 3DF CGA adapter

3F0h - 3F7h Floppy Disk Controller

3F8h - 3FFh Serial Port #1(COM1)

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Ibase IB827 Manuel d'utilisateur Page 56