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APPENDIX

IB530F User’s Manual 47

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 Keyboard Controller (1)

0601h Control Port

064h Real Time Clock

070h - 07Fh Keyboard Controller (2)

080h - 09Fh DMA Page Register

0A0h - 0BFh Interrupt Controller #2

0C0h - 0DFh DMA Controller #2

0F0h – 00FFh Coprocessor

01F0h – 01F7h

03F6h

IDE (Primary)

02F8h - 02FFh Serial Port #2(COM2)

0378h – 037Ah Parallel Port #1(LPT1)

03C0h – 03DFh Reserved for VGA

03F0h – 03F5h

03F7h

FDD Controller

03F8h - 3FFh Serial Port #1(COM1)

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Ibase IB530 Manual de usuario Pagina 51