3Com XL PCI 4

4TROUBLESHOOTING

This chapter explains how to isolate and solve NIC problems,

including the following topics:

■Status LEDs

■3Com NIC Diagnostics program

■Accessing the 3C905B-TX Help system

■3Com support services

■Removing the 3C905B-TX software

■Checking Remote Wake-Up

■Crossover cable troubleshooting tips

■Frequently Asked Questions

■Accessing the 3Com World Wide Web page

The 3Com World Wide Web site offers the latest drivers,

troubleshooting information, and software updates in the

Support area. To access the Web site, enter the 3Com URL

address into your Internet browser:

http://infodeli.3com.com/infodeli/swlib/n_i_c.htm/

Status LEDs

Before the LEDs can be used for troubleshooting, the NIC

must be connected to the network (Chapter 2) and the

network driver must be installed (Chapter 3).

The 3C905B-TX NIC has three status LEDs, as shown in

Figure 4-1 and described in Table 4-1.

Book Page 1 Thursday, April 2, 1998 9:28 AM

Contents

Main 3Com Corporation 95052-8145 Santa Clara, California 5400 Bayfront Plaza C RIVER D ETWORK T ROUBLESHOOTING ONFIGURATION C HANGING A B Page F IGURES T ABLES A Finding Specic Information in This Guide UIDE Conventions Table 1 and Table 2 list conventions that are used throughout this guide. 1 Industry-Leading Performance DynamicAccess Software Remote Wake-up Installation and Conguration 10/100 Mbps Support PC and Server Requirements How Do I Install the 3C905B-TX NIC? 2 Page Connecting to the Network Connecting the Remote Wake-up Cable 3 N ETWORK D Windows 95 Page Page Conrming Installation Windows NT Windows NT Version 4.0 Page Windows NT Version 3.51 Page NetWare for Windows 3.1x, Windows for Workgroups, and DOS AutoLink Requirements Running the AutoLink Program Installing the Novell NetWare Server Driver NetWare Version 4.1 Multiple NICs Supported Network Drivers 4 Status LEDs 3Com NIC Diagnostics Program Accessing the 3C905B-TX Help System Displaying Release Notes, Frequently Asked Questions, and the KnowledgeBase Running the NIC Self-Test Page Running the Echo Test 3Com Support Services Generating a Problem Report Page Page Removing the 3C905B-TX NIC PACE and 3NICDIAGS Software Windows 95 and Windows NT 4.0 DOS Checking the Remote Wake-up Function 3Com DOS Diagnostic Program Crossover Cable Troubleshooting Tips Troubleshooting Hubs with Crossover Cable Frequently Asked Questions Table 4-2 describes some common questions and answers about the 3C905B-TX NIC. Page Page Page Accessing the 3Com World Wide Web Page Page 5 Conguration Settings Displaying Conguration Settings Changing Conguration Settings Page Changing PACE Conguration Selecting PACE Applications Changing PACE Ranges and Protocols PACE Advanced Options Setting Fast IP Using the DOS Conguration Program A Specications A-2 APPENDIX A: SPECIFICATIONS RJ-45 Connector Pin Assignments Figure A-1 shows the RJ-45 connector pin assignments for the 3C905B-TX NIC. Figure A-1 RJ-45 Connector Pin Assignments B Support from Your Network Supplier Online Technical Services World Wide Web Site 3Com Bulletin Board Service 3ComFacts Automated Fax Service Page G Page I Numbers A B C K L M N O W Page 3Com Corporation L IMITED W H S STANDARD WARRANTY SERVICE WARRANTIES EXCLUSIVE FCC C LASS B S FCC D ECLARATION OF C 3COM END USER SOFTWARE LICENSE AGREEMENT IMPORTANT: Read Before Using This Product