3Com XLPCI manual Frequently Asked Questions, QuestionAnswer

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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.

(continued)

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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 Convention Description ConventionsIcon Description Bold-face typeInstalling Network Interface CardPreparing for Installation NIC Model Cable Connector Transceiver Network SegmentMaximum Inserting the NIC 2Installing the 3C900B NIC Connecting to the Network RJ-45 Port4Connecting to the BNC Port on the 3C900B-COMBO NIC BNC Port5Connecting to the AUI Port on the 3C900B-COMBO NIC AUI PortState Interpreting the Link LEDMeaning RJ-45 OffNetwork Driver WindowsWindows 95 Build Speciﬁed ﬁelds of the Identiﬁcation tab screen, enterEnter 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 NTWindows NT Click the Adapters tabClick Add 8CHAPTER 2 Installing the Network Driver Click Close Click OK in the Network Settings window Click Add AdapterNovell NetWare Client Driver Running AutoLink SoftwareNovell NetWare Server Driver NetWareSave 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 SystemTroubleshooting Running Diagnostic ProgramsRunning NIC Tests 3Com DOS Diagnostic Program3Com NIC Diagnostics Program Double-click the 3Com icon in the Windows system trayClick the Diagnostics tab 13Com NIC Diagnostics General ScreenClick Start Running the Echo TestOn 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 ScreenAccessing the Help System Click the Support tabRemoving NIC Software Windows 95 and Windows NTFrequently Asked Questions QuestionAnswerQuestion 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 SettingsUsing 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 Screen43Com 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 IntervalChanging Operational Settings Disable Receive Packet BufferingChanging 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 cableOnline Technical Services Support from Your Network Supplier3Com Bulletin Board Service Access by Analog ModemWorld Wide Web Site 408 654 3ComFacts Automated Fax ServiceAccess by Digital Modem 408 727Page Index NumbersLANSRV.TXT 10BASE-TA-3 Page 3Com Corporation Limited Warranty FCC Class B Statement FCC Declaration of Conformity