Frequently Asked Questions, QuestionAnswer | 3Com XLPCI specification

3-10CHAPTER 3: TROUBLESHOOTING INSTALLATION PROBLEMS

3Click Yes.

The Network Settings window is displayed. The 3C900B NIC no longer appears in the Installed Adapter Cards panel.

4Click OK.

The 3C900B NIC driver and diagnostic software are removed from the PC.

The Network Settings Change dialog box is displayed, prompting you to restart.

■If you are physically removing the NIC from the PC, click No. Do not restart the PC until you shut down the system, turn the power off, and remove the NIC from the PC.

■If you are reinstalling the NIC software, click Restart Now.

Frequently Asked Questions

Table 3-1 describes some common questions and answers about the 3C900B NIC.

Table 3-1Frequently Asked Questions

QuestionAnswer

Which PCI slot should I 3Com PCI NICs are designed to work in any bus-mastering

use for my PCI NIC?	PCI slot, preferably slot 1. Avoid any PCI slot next to an ISA
	slot. This is often a shared slot and does not support bus
	mastering. The NICs perform best in those slots that
	support bus-mastering data transfers. Refer to your PC
	manual for information on which slots support
	bus-mastering data transfers.

Do I have to configure	PCI is a self-configuring bus architecture. Most of the time
the 3C900B NIC?	you only need to install the board in your PC; PCI does the
	rest. However, on some PCI computers, you may be required
	to configure the computer’s BIOS manually after installing
	your PCI NIC. Refer to the owner’s guide for your PC.

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3Com XLPCI manual Frequently Asked Questions, QuestionAnswer

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 Convention Description ConventionsIcon Description Bold-face type Installing Network Interface Card Preparing for Installation NIC Model Cable Connector Transceiver Network SegmentMaximum Inserting the NIC 2Installing the 3C900B NIC Connecting to the Network RJ-45 Port 4Connecting to the BNC Port on the 3C900B-COMBO NIC BNC Port 5Connecting to the AUI Port on the 3C900B-COMBO NIC AUI Port State Interpreting the Link LEDMeaning RJ-45 Off Network Driver Windows Windows 95 Build Speciﬁed ﬁelds of the Identiﬁcation tab screen, enter 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 Conﬁrming Installation Windows NT Windows NT Click the Adapters tabClick Add 8CHAPTER 2 Installing the Network Driver Click Close Click OK in the Network Settings window Click Add Adapter Novell NetWare Client Driver Running AutoLink Software Novell NetWare Server Driver NetWare Save and exit the ﬁle, and then reboot the server NetWare 4.10Multiple NICs 3c90xcfg.exe Supported Network Drivers Network Text File Name Network Driver Name Operating System Troubleshooting Running Diagnostic Programs Running NIC Tests 3Com DOS Diagnostic Program3Com NIC Diagnostics Program Double-click the 3Com icon in the Windows system tray Click the Diagnostics tab 13Com NIC Diagnostics General Screen Click Start Running the Echo Test On both PCs On the responding PCOn the sending PC Close all open windows when the Echo test is ﬁnished 3Com Support Services 63Com NIC Diagnostics Support Screen Accessing the Help System Click the Support tab Removing NIC Software Windows 95 and Windows NT Frequently Asked Questions QuestionAnswer Question Answer Make sure that your IP protocol does not compute the CRC Fast IP is designed to bypass the router, particularly where Page Changing Configuration Settings Option Default Setting Available Settings Using the DOS Conﬁguration Program Running the 3Com NIC Diagnostics ProgramDisplaying Conﬁguration Settings Running the 3Com NIC Diagnostics Program Changing Conﬁguration Settings 33Com NIC Diagnostics Properties Screen 43Com DynamicAccess Setup Screen Enabling Pace SupportPage Specifications SpeciﬁcationsCabling Requirements Twisted-Pair Cable 10BASE-T OperationCategory Use RJ-45 Connector Pin Assignments 10BASE-T SpeciﬁcationsPage Operational Settings Fifo Packet ThresholdConcurrent UDP Streams Low-Priority Ratio Disable Switch Packet PrioritizationOption Descriptions Natural Packet Interval Changing Operational Settings Disable Receive Packet Buffering Changing Ranges and Protocols Troubleshooting Network Connection Problems Eliminating Potential Causes of ProblemsConnect a straight-through cable from the PC to the hub Troubleshooting Hubs with Crossover Cable Crossover cable Online Technical Services Support from Your Network Supplier 3Com Bulletin Board Service Access by Analog ModemWorld Wide Web Site 408 654 3ComFacts Automated Fax ServiceAccess by Digital Modem 408 727Page Index Numbers LANSRV.TXT 10BASE-TA-3 Page 3Com Corporation Limited Warranty FCC Class B Statement FCC Declaration of Conformity