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9 Running NIC Diagnostics
The 3Com 10/100 PCI (3C990B) NIC uses two types of NIC diagnostics programs: a
Windows-based diagnostics program and a DOS-based diagnostics program.
Use the Windows-based 3Com NIC Diagnostics program if you are running any of the
following operating systems:
■ Windows 2000
■ Windows NT 4.0
■ Windows Me
■ Windows 98
■ Windows 95
Use the 3Com DOS Diagnostics program if you are running any of the following operating
systems:
■ DOS
■ NetWare
This chapter explains how to:
■ Run the NIC diagnostic tests.
■ View the NIC LEDs in the NIC Diagnostics program.
■ View network statistics.
■ Use the 3Com icon in the Windows system tray.
■ Remove the 3Com NIC Diagnostics program.
Running the 3Com DOS Diagnostics Program
To start the 3Com DOS diagnostics program for DOS and NetWare installations:
1 Copy 3c99xcfg.exe from the EtherCD to the root directory of a DOS-bootable diskette.
NOTE: Before starting any diagnostics program, close all running applications.
NOTE: The following sections explain how to start both NIC diagnostics programs.
However, specific instructions are provided only for using the Windows-based
3Com NIC Diagnostics program.
CAUTION: If you are running Japanese DOS, you must switch to U.S. mode DOS
before running the 3Com DOS diagnostics program.
NOTE: If you do not have a DOS-bootable diskette, see “Making a DOS-Bootable
Diskette” on page 15 for instructions.