IBM 2074 Installation And Maintenance Information page 47

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Shutdown the 2074. Shutdown OS/2 by right clicking on the OS/2 desktop and selecting
'Shut down...' Select 'Yes' on any confirmation windows. DO NOT reboot until you see the
message indicating that is OK to do so.
Insert the Token-Ring Diagnostic diskette. See "Creating Diagnostic Diskettes" on page 3-10
if you need to create the diagnostic diskette.
Reboot the 2074 by pressing the reset button on the front panel. If the 2074 will not boot
with the adapter installed, remove the adapter and retry. If it will boot with the adapter
removed, replace the adapter.
At the DOS 7.0 Boot Menu, select option 2, IBM PCI Token-Ring Extended Diagnostics.
Option 2 must be selected as soon as the screen appears. If not, the diagnostics default to
running option 1. Select the specific Token-Ring adapter to be tested. A selection menu is
listed identifying each adapter by its universally administered address. Use the cursor keys
or the mouse to select the adapter for test.
Connect the adapter to the network and press the Test (ENTER) key. There are two test
options: wrap test and on-ring test. The wrap test tests the adapter and cable through the
hub or concentrator, or through a wrap plug attached to the cable. The on-ring test requires
that the adapter is connected to a network with other adapters, so the ring speed of the
network can automatically be sensed. If the adapter is the only one on the network, the
on-ring test will fail.
Run the default option first. If an error is detected, then run the wrap test to isolate the TR
adapter.
If the test indicates there is no adapter in the system, or that diagnostics cannot be run:
v Check that the adapter is correctly seated in the slot.
v Make sure that the LEDs blink alternately amber and green after you power up your
computer.
v See "Identifying problems using LEDs" in step 6.
v If the tests are completed successfully, and your computer is still not communicating,
contact your network administrator.
If the wrap test and on-ring test run without errors, the adapter is ready for use. Exit the
diagnostic program, and follow the directions for reactivating the computer.
If a network error occurs, record any messages that appear, record the LED sequences,
and contact your network administrator.
This procedure does not verify that the data rate of the device driver setting matches the
data rate of the LAN segment.
If more than one Token-Ring is in your machine, and you have not run this diagnostic disk
already, the diagnostic will reboot your computer, after updating the disk for the correct
number of Token-Rings.
When testing is complete, remove the diagnostic diskette, and reboot the system by
pressing the reset switch on the front panel.
If you have replaced the Token Ring card, the customer may need to know the MAC
address of the new card. To display the MAC addresses of all adapters in the 2074, type in
the following from an OS/2 window: NETSTAT -N | MORE
End Token-Ring Adapter Diagnostic
Start Ethernet PCI Adapter Diagnostic
Chapter 2. Maintenance Information
2-23