Appendix, A. i/o port address map – IBASE IB965 User Manual

Page 75

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APPENDIX

IB965 User’s Manual

71

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

DMA Controller #1

0020h - 003Fh

Interrupt Controller #1

0040h - 0043h

Timer

0050h - 0053h

Timer

0060h

Keyboard Controller

0064h

Keyboard Controller

0070h - 0077h

Real Time Clock

00A0h - 00BFh

Interrupt Controller #2

00C0h - 00DFh

DMA Controller #2

02E8h - 02EFh

Serial Port #4(COM4)

02F8h - 02FFh

Serial Port #2(COM2)

0378h - 037Fh

Parallel Port #1(LPT1)

03E8h - 03EFFh

Serial Port #3(COM3)

03F8h - 03FFh

Serial Port #1(COM1)

E000h - E01Fh

82583V Gigabit Network

F000h - F03Fh

Graphics adapter Controller

F060h - F07Fh

82579V Gigabit Network

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