About this Guide, If you are looking for Turn to | 3Com XLPCI

ABOUT THIS GUIDE

About This Guide provides an overview of this guide, describes guide conventions, and tells you where to look for speciﬁc information.

This guide describes how to install, conﬁgure, and troubleshoot 3Com® EtherLink® XL PCI 10 Mbps (3C900B) network interface cards (NICs).

If a release note is shipped with this product, and the information in the release note differs from the information in this guide, follow the instructions in the release note.

This guide is for network administrators and users who are familiar with PCs and Ethernet networks.

Finding Speciﬁc Information in This Guide

This table shows the location of speciﬁc information in this guide.

If you are looking for	Turn to

NIC installation and cabling information	Chapter 1
Network driver installation instructions	Chapter 2
Information about troubleshooting installation problems	Chapter 3
Information about changing NIC configuration settings	Chapter 4
Specifications, cable requirements, and RJ-45 pin assignments	Appendix A
Information about advanced PACE™ options	Appendix B
Information about crossover cables and troubleshooting techniques	Appendix C
Technical support	Appendix D

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3Com XLPCI manual About this Guide, Finding Speciﬁc Information in This Guide, If you are looking for Turn to

Contents

EtherLink XL PCI 10 Mbps Network Interface Cards User Guide 3Com Corporation 5400 Bayfront Plaza Santa Clara, California Contents Changing Configuration Settings Troubleshooting Network Connection Problems Page Figures Tables About this Guide Finding Speciﬁc Information in This GuideIf you are looking for Turn to Icon Description ConventionsConvention Description Bold-face type Network Interface Card Installing Preparing for Installation NIC Model Cable Connector Transceiver Network SegmentMaximum Inserting the NIC 2Installing the 3C900B NIC RJ-45 Port Connecting to the Network BNC Port 4Connecting to the BNC Port on the 3C900B-COMBO NIC AUI Port 5Connecting to the AUI Port on the 3C900B-COMBO NIC Meaning RJ-45 Interpreting the Link LEDState Off Windows Network Driver Speciﬁed ﬁelds of the Identiﬁcation tab screen, enter Windows 95 Build Enter your user name and password, and then click OK Click CloseClick Yes Windows 95 OSR2 Insert EtherDisk diskette 2 in drive a and click NextClick Finish Windows 95 prompts you to reboot Windows NT Conﬁrming Installation Windows NT Click the Adapters tabClick Add 8CHAPTER 2 Installing the Network Driver Click Add Adapter Click Close Click OK in the Network Settings window Running AutoLink Software Novell NetWare Client Driver NetWare Novell NetWare Server Driver Save and exit the ﬁle, and then reboot the server NetWare 4.10Multiple NICs 3c90xcfg.exe Network Text File Name Network Driver Name Operating System Supported Network Drivers Running Diagnostic Programs Troubleshooting 3Com NIC Diagnostics Program 3Com DOS Diagnostic ProgramRunning NIC Tests Double-click the 3Com icon in the Windows system tray 13Com NIC Diagnostics General Screen Click the Diagnostics tab Running the Echo Test Click Start On both PCs On the responding PCOn the sending PC Close all open windows when the Echo test is ﬁnished 63Com NIC Diagnostics Support Screen 3Com Support Services Click the Support tab Accessing the Help System Windows 95 and Windows NT Removing NIC Software QuestionAnswer Frequently Asked Questions Question Answer Make sure that your IP protocol does not compute the CRC Fast IP is designed to bypass the router, particularly where Page Option Default Setting Available Settings Changing Configuration Settings Using the DOS Conﬁguration Program Running the 3Com NIC Diagnostics ProgramDisplaying Conﬁguration Settings Running the 3Com NIC Diagnostics Program 33Com NIC Diagnostics Properties Screen Changing Conﬁguration Settings Enabling Pace Support 43Com DynamicAccess Setup ScreenPage Specifications SpeciﬁcationsCabling Requirements Twisted-Pair Cable 10BASE-T OperationCategory Use 10BASE-T Speciﬁcations RJ-45 Connector Pin AssignmentsPage Operational Settings Fifo Packet ThresholdConcurrent UDP Streams Option Descriptions Disable Switch Packet PrioritizationLow-Priority Ratio Natural Packet Interval Disable Receive Packet Buffering Changing Operational Settings Changing Ranges and Protocols Troubleshooting Network Connection Problems Eliminating Potential Causes of ProblemsConnect a straight-through cable from the PC to the hub Crossover cable Troubleshooting Hubs with Crossover Cable Support from Your Network Supplier Online Technical Services 3Com Bulletin Board Service Access by Analog ModemWorld Wide Web Site Access by Digital Modem 3ComFacts Automated Fax Service408 654 408 727Page Numbers Index LANSRV.TXT 10BASE-TA-3 Page 3Com Corporation Limited Warranty FCC Class B Statement FCC Declaration of Conformity