3Com 3CR990SVR97, 3CR990-TX-97, 3CR990-TX-95, 3CR990SVR95 manual Tip Description

134CHAPTER 8: TROUBLESHOOTING THE NIC

Tip	Description
Check the NIC	■ Make sure that the NIC is installed correctly in a PCI slot.
hardware		Check for specific hardware problems, such as broken traces
installation		or loose or broken solder connections. See Installing and
		Connecting the NIC on page 34.
Check the NIC	■ Make sure that the NIC software is installed correctly in the
software		computer. See Verifying Successful Installation on page 48.
installation
Check the	■ Inspect all cables and connections. Make sure that the
network		cable complies with length and rating specifications
connection		described in Installing and Connecting the NIC on page 34.
	■	Examine the cable for obvious signs of damage, wear, or
		crimping. Substitute a known working cable. Check the
		length and rating of the cable. Make sure that the cable
		complies with 10BASE-T or 100BASE-TX recommendations.
Check the	■ Make sure that you are running the latest BIOS for your
computer BIOS		computer. If the BIOS has not been upgraded in the previous
		12 months, contact the computer manufacturer to obtain
		the current version of the BIOS software.
Run the NIC	Run the NIC and Network Tests, as described in Running NIC
diagnostic tests	Diagnostics on page 143.
	If the tests fail, replace the NIC with a known working NIC and
	run the tests again, using the same configuration settings as
	those used on the failed NIC. If the working NIC passes all
	tests, the original NIC is probably defective. For information on
	product repair, see Technical Support on page 171.
Check the	Review the known problems and solutions found in the
3Com support	following areas:
databases	■	3Com Knowledgebase
	■	3Com NIC Help system
	■	Release Notes and Frequently Asked Questions
	See Accessing 3Com Support Databases on page 131 for
	instructions on using these databases.
Download the	The 3Com Software Library is your World Wide Web
latest NIC driver	connection to software, drivers, and INF files for all 3Com
	products. Point your browser to the 3Com home page
	(http://www.3com.com/). Under Service and Support, click
	Software, Drivers & INFs.
Run the Clean Up	The Clean Up Failed Installation program is located on the
Failed Installation	EtherCD. See Cleaning Up a Failed Installation on page 132
program	for instructions.