Moxa Technologies RS-422, RS-485 user manual PC I/O Port Address Map, IO/ Addr ess Device

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Technical Reference

PC I/O Port Address Map

The following is the list of the I/O port addresses commonly used, which is good for preventing I/O address conflict when configuring Industio CI-134 Series.

IO/ Addr ess

Device

000-01F

DMA controller 1

020-03F

interrupt controller

040-05F

Timer

060-06F

Keyboard

070-07F

Real-time clock

080-09F

DMA page register

0A0-0BF

Interrupt controller 2

0C0-0DF

DMA controller

0F0-0FF

Math coprocessor

100-1EF

not usable

1F0-1F8

Fixed disk

200-207

Game I/O

278-27F

Parallel printer port 2 ( LP2: )

2F8-2FF

Serial Port 2 ( COM2: )

300-31F

Prototype card

360-36F

Reserved

378-37F

Parallel printer port 1 ( LP1: )

3B0-3BF

Monochrome display

3C0-3CF

Reserved

3D0-3DF

Color graphics display

3F0-3F7

Diskette controller

3F8-3FF

Serial port 1 ( COM 1: )

Industio CI-134 Series User’s Manual A-3

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Contents Mar 1st Edition Industio CI-134 Series User’s ManualCopyright Notice Industio CI-134 Series User’s ManualTrademarks DisclaimerMoxa Internet Services Software Installation Hardware InstallationConnection Cable and Cable Wiring TroubleshootingTable of Contents Technical Reference Connection Cable and Cable WiringTroubleshooting Overview Industio The Industrial Multiport Async SolutionIntroduction Termination Resistors Ready for RS-422/RS-485 Automatic Data Direction Control for RS-485Surge/Isolation Protection Asic Design, Compact SizeIntroduction Quick InstallationOperating System Support Moxa Serial Comm ToolsBroad Applications FeaturesSCO Xenix QNX Check ListInstallation Guide First Thing to Do Interface Settings Hardware Installation0x1C0 Quick Hardware InstallationHow to Do Quick Hardware Installation Hardware Installation with IO-IRQ Utility IO-IRQ Utility and Hardware Configuration 6Industio CI-134 Series User’s Manual Speed Port IndexAddress Nor mal Speed Spectr um High Speed Spectr um Press F10 to save the configuration and exit the utility 10Industio CI-134 Series User’s Manual Windows NT Software InstallationInstalling Driver Software Installation 4Industio CI-134 Series User’s Manual Tx Fifo Size Port NumberRx Fifo Trigger 6Industio CI-134 Series User’s Manual Configuring Board and Port 8Industio CI-134 Series User’s Manual Removing Driver Updating DriverWindows 95/98 Software Installation 12Industio CI-134 Series User’s Manual Rx Fifo Trigger 14Industio CI-134 Series User’s Manual Updating Driver 16Industio CI-134 Series User’s Manual DOS Driver Setup Software Installation 20Industio CI-134 Series User’s Manual Por t number TxD buf size RxD buf size F5 Gr oup edit 22Industio CI-134 Series User’s Manual Unloading Driver Loading DriverWindows Software Installation Configuring Driver Baud Rate Settings 28Industio CI-134 Series User’s Manual Windows NT and Windows 95/98 PComm InstallationSerial Programming Tools Utilities Diagnostic for Moxa boards onlyPComm Programming Library Industio CI-134 Series User’s Manual Terminal Emulator Data Scope Installing API-232DOS API-232 Library 6Industio CI-134 Series User’s Manual Serial Programming Tools Diagnose Utility Windows Comm API Library Win16Existing Applications RS-485 Programming Automatic Data Direction Control Mode RecommendedBy RTS Mode For back-compatibility Solution 12Industio CI-134 Series User’s Manual CI-134 Connection Cable and Cable WiringRS-422 Cable Wiring RS-422 Point-to-point RS-422 Broadcasting RS-485 Cable Wiring Impedance Matching and Termination Resistors For RS-485 Mode DB-37 Connector Pin OutsFor RS-422 Mode 6Industio CI-134 Series User’s Manual Hardware causes and solutions TroubleshootingGeneral Troubleshooting Software Causes and Solutions Io-ir q Remove the jumper on position JP1 Windows NT system panic blue scr een DOS Technical Reference SpecificationsUart TI550C IO/ Addr ess Device PC I/O Port Address MapProblem Report Form Return Procedure