9-2 CHAPTER 9: TROUBLESHOOTING NIC INSTALLATION
When the green LED (labeled “4”) is lit, it indicates that
the 3C319 NIC is set to 4 Mbps speed and is correctly
inserted into the token ring network.
When the yellow LED (labeled “16”) is lit, it indicates that
the 3C319 NIC is set to 16 Mbps and is correctly inserted
into the token ring network.
Using the Configuration and Diagnostic Program
You can run the Configuration and Diagnostic Program
on TokenDisk diskette #1 to test the setup or
configuration and test for physical board problems.
The diagnostic program tests the 3C319 NIC, not the
network. Boot from DOS before running the diagnostic
program. Connect the 3C319 NIC to the network for all
diagnostic tests.
The Configuration and Diagnostic Program is a DOS
application that does not function properly if the 3C319
NIC drivers are already installed. The program also
indicates memory conflicts if you run it with a memory
manager without excluding the memory range used by
the 3C319 NIC. You must bypass the drivers and the
memory manager before you run the diagnostic program.
Use a DOS diskette if you are running DOS 5.0 or earlier.
If you are running Windows NT, boot from the DOS
partition or boot from a DOS diskette to run the
diagnostic program. If you use Windows 95 or Windows
for Workgroups, exit Windows and restart the PC in
MS-DOS mode, or boot from a floppy that has the
operating system installed on it.
Diagnostic Test Types
There are two groups of Configuration and Diagnostic
Program tests.
A lobe cable must be connected from the 3C319 NIC to a
retiming concentrator or MAU for all Group 1 tests. A
lobe cable is the section of cable that attaches a ring
station or network device to a MAU or wiring hub.