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MSI IM-GS45-D User Manual

Page 64

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4-10

SYSTEM RESOURCES

I/O Map

I/O Port

Description

0000-000F

DMA Controller 1

0020-0021

Interrupt Controller 1

002E-002F

SIO Port 1

0040-0043

System Timer

004E-004F

SIO Port 2

0060,0064

Keyboard Controller

0070-0073

RTC and CMOS

0080-0090

DMA Controller Page Registers

00A0-00A1

Interrupt Controller 2

00B2-00B3

APM Register

00C0-00DF

DMA Controller 2

00F0-00FF

Numeric Data Processor

01F0-01F7

Primary IDE Controller

02E0-03E8

COM2, COM3, COM4, COM5

03F8-03FF

COM1

0400-045F

ACPI I/O Space

0500-050F

SMBus I/O Space

0CF8-0CFF

PCI Configuration Port