4
T
ROUBLESHOOTING
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
.
