IBM 6644 - Manual (Page 68)

55
Optional-device problems
Symptom Action
An IBM option that was
just installed does not
work. Verify that:
1. The option is designed for your computer.
2. You followed the installation instructions supplied with
the option and in “Chapter 5. Installing options,” on
page 33.
3. All option files (if required) are installed correctly. See
“Chapter 5. Installing options,” on page 33 for
information about installing option files.
4. You have not loosened other installed options or cables.
5. If the option is an adapter, you have provided enough
hardware resources for the adapter to function correctly.
See the documentation supplied with the adapter (as
well as the documentation for any other installed
adapters) to determine the resources required for each
adapter.
6. You updated the configuration information in the
Configuration/Setup Utility program, if necessary, and
have no conflicts. For more information, see “Chapter 4.
Using the Configuration/Setup Utility program,” on
page 27.
If the problem persists, run the diagnostic programs. (See
“Running the IBM Enhanced Diagnostics program” on page
57 for information about diagnostic programs provided with
your computer.)
If you cannot correct the problem, have the computer and the
option serviced.
An IBM option that
previously worked does
not work now. Verify that all option hardware and cable connections are
secure.
If the option comes with its own test instructions, use those
instructions to test the option.
If you cannot correct the problem, have the computer
serviced.