Power-on self-test (POST)
When you turn on the computer, the power-on self-test (POST) performs a series of
tests to check the operation of system components and some of the installed
options.
If POST finishes without detecting any problems, the first window of your operating
system or application program appears.
If POST detects a problem, more than one beep sounds and an error message
appears on your screen.
Notes:
1. If you have a user password set, you must type the password and press Enter,
when prompted, before the operating system will start.
2. A single problem might cause several error messages. When this occurs, work
to correct the cause of the first error message. After you correct the cause of
the first error message, the other error messages usually will be resolved the
next time you run the test.
POST beep codes
The possible types of beep codes are:
No beeps
If no beep occurs after your computer completes POST, call for service.
Continuous beep
Your microprocessor has failed, or your system board or speaker
subsystem might contain a failing component. If the system continues
through POST with no errors, call for service. If no video appears, the
microprocessor has failed. Call for service.
POST error messages
The following table provides an abbreviated list of the error messages that might
appear during POST.
Note:
See the
User’s Guide
on the IBM
IntelliStation Documentation
CD for more
information about the POST error messages.
POST
message
Failing device or
problem found
Suggested action
162
Change in device
configuration
Verify that your optional devices are turned on and
installed correctly.
163
Time of day has not
been set
Set the correct date and time.
164
Change in memory
configuration
Verify that your memory is installed properly; then,
restart the computer and run the
Configuration/Setup Utility program.
201
Change in memory
configuration
Verify that your memory is fully seated and installed
properly.
289
Failing DIMM was
disabled
Verify that your memory is correct for your computer
and that it is installed properly.
301 303
Keyboard and keyboard
controller
Ensure that the keyboard cable is connected and
nothing is resting on the keyboard keys.
44
IBM IntelliStation M Pro Type 6219: Installation Guide
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