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EtherFast 10/100 LAN Card
13. Running the Card's Diagnostics if you suspect that there may be a problem with the Card, or if you
need to identify the Card's MAC address.
To run the program, start up your computer in DOS. The program only works in standard "real DOS mode"
DOS – it will not work in a Windows DOS window. To get into "real DOS mode," do the following:
• In Windows 95, start your computer. When the Starting Windows... message appears, press the F8 key.
You will then get to the Microsoft Window Startup Menu.
• In Windows 98, start your computer (No Starting Windows... message will appear). Immediately and
rapidly press the F8 key until you get the Microsoft Window Startup Menu.
2. Choose the Safe mode command prompt only option. Press Enter on the keyboard.
3. Insert the EtherFast® 10/100 LAN Card Setup Utility CD into your CD-ROM drive. Enter the appropriate
commands after the following prompts:
• When "C:\>" appears, type d: then press Enter.
• When "D:\>" appears, type cd diag then press Enter.
When "D:\diag>" appears, type diag then press Enter.
• You can also copy the software to your local (c:\) drive and run DIAG from your hard disk.
4. The Fast Ethernet Diagnostics Program will appear, providing a display of the Card's basic information
(Ethernet Address, IRQ, I/O Port and Media Type). Press Enter to begin the testing cycle. If the Card
isn't found, power off the PC and verify that the Card is properly seated in the PCI slot.
5. The word "passed" will appear next to each successful test. If the Card fails the Peer-to-Peer, Ping, or
Bandwidth tests, any network problems that you are experiencing are external to the Card; check your
cabling and hub connections. If the Card fails the Loopback or Register tests, check your computer's
settings, then contact Linksys Customer Support for help.
Appendix A: Troubleshooting
Common Problems and Solutions
38
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