Measurement Computing PCI-COM232 - Manual (Page 3)

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TABLE OF CONTENTS
1.0 INTRODUCTION ............................................................................................................................1
2.0 INSTALLATION..............................................................................................................................2
2.1 Software Installation .....................................................................................................2
2.2 Hardware Installation....................................................................................................2
2.3 Set up the COM port parameters ..................................................................................3
2.4 Test the COM ports for proper operation (ComApp.exe).............................................3
2.5 Extended Baud Rate Operation.....................................................................................4
2.5.1 Windows 95/98 Specific Configuration.............................................................5
2.5.2 Windows NT/2000 Specific Configuration ......................................................5
2.5.3 Resetting Extended Baud Rate Selection on Power Up.....................................6
3.0 HARDWARE CONNECTIONS......................................................................................................7
3.1 Introduction...................................................................................................................7
3.2 DB9M Connections ......................................................................................................7
3.3 DB25M Connections ....................................................................................................7
3.4 PCI-COM232/4 Main DB37M Connector....................................................................8
3.5 Port Identification .........................................................................................................9
3.6 Changing the COM Port assignments...........................................................................9
3.7 Standard COM port configurations: .............................................................................10
4.0 REGISTER MAP..............................................................................................................................11
4.1 Register Map Overview ................................................................................................11
4.2 Register Descriptions....................................................................................................12
4.2.1 INTERRUPT STATUS/CONTROL..................................................................12
4.2.2 PORT 1 CLOCK SELECT / INTERRUPT STATUS .......................................12
4.2.3 PORT 2 CLOCK SELECT / INTERRUPT STATUS .......................................13
4.2.4 PORT 3 CLOCK SELECT / INTERRUPT STATUS .......................................13
4.2.5 PORT4 CLOCK SELECT / INTERRUPT STATUS ........................................14
5.0 SPECIFICATIONS ..........................................................................................................................15
6.0 TROUBLESHOOTING Q & A:......................................................................................................17