3Com Server manual Further Testing, Symptom Tip

4-6CHAPTER 4: TROUBLESHOOTING

Further Testing

If you need to test the NIC further, you can use the troubleshooting tips in Table 4-4. You can find the latest troubleshooting tips at the 3Com World Wide Web site on the Customer Support page. To access the site, set your Internet browser to the 3Com URL:

http://www.3com.com/

CAUTION: Before inserting or removing the NIC from the PC, turn off the PC.

Table 4-4Troubleshooting Tips

Symptom	Tip
The Configuration and	Be sure that you booted the PC under DOS. No device
Diagnostic Program	drivers or memory managers can be loaded before you run
does not run.	the diagnostic tests.
The LNK LED does not	■	Check the NIC installation.
light when you turn on		Review Chapter 2. Make sure that the board is seated
the PC.
		correctly in the slot. Check for specific hardware
		problems, such as broken traces or loose/broken solder
		connections.
	■	Inspect all cables and connections.
		Check the length and rating of the UTP cable connection.
		Make sure that the cable segment complies with
		100BASE-TX recommendations. Maximum cable length
		for this NIC is 100 meters.
	■	Try inserting the NIC in another slot. The original slot
		may be defective.
	■	Check the BIOS.
		Make sure that you are running the latest BIOS for your
		PC.

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