A

BOUT

T

HIS

G

UIDE

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