3Com XLPCI manual About this Guide, Finding Speciﬁc Information in This Guide

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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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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 typeNetwork Interface Card InstallingPreparing for Installation NIC Model Cable Connector Transceiver Network SegmentMaximum Inserting the NIC 2Installing the 3C900B NIC RJ-45 Port Connecting to the NetworkBNC Port 4Connecting to the BNC Port on the 3C900B-COMBO NICAUI Port 5Connecting to the AUI Port on the 3C900B-COMBO NICMeaning RJ-45 Interpreting the Link LEDState OffWindows Network DriverSpeciﬁed ﬁelds of the Identiﬁcation tab screen, enter Windows 95 BuildEnter 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 InstallationWindows NT Click the Adapters tabClick Add 8CHAPTER 2 Installing the Network Driver Click Add Adapter Click Close Click OK in the Network Settings windowRunning AutoLink Software Novell NetWare Client DriverNetWare Novell NetWare Server DriverSave 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 DriversRunning Diagnostic Programs Troubleshooting3Com NIC Diagnostics Program 3Com DOS Diagnostic ProgramRunning NIC Tests Double-click the 3Com icon in the Windows system tray13Com NIC Diagnostics General Screen Click the Diagnostics tabRunning the Echo Test Click StartOn 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 ServicesClick the Support tab Accessing the Help SystemWindows 95 and Windows NT Removing NIC SoftwareQuestionAnswer Frequently Asked QuestionsQuestion 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 SettingsUsing 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 SettingsEnabling 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 IntervalDisable Receive Packet Buffering Changing Operational SettingsChanging 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 CableSupport from Your Network Supplier Online Technical Services3Com Bulletin Board Service Access by Analog ModemWorld Wide Web Site Access by Digital Modem 3ComFacts Automated Fax Service408 654 408 727Page Numbers IndexLANSRV.TXT 10BASE-TA-3 Page 3Com Corporation Limited Warranty FCC Class B Statement FCC Declaration of Conformity