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46 User Guide
section, alwaysbegin by following the suggested action for the first error message
that is displayed. Note that, in these tables, x can be any alphanumeric character.
Code Description Action
151 Real time clock failure Go to “Starting and using the IBM
Setup Utility program” on page 27,and
follow the instructions to reset the time
and date.
If the problem persists, have the
computer serviced.
161 Defective CMOS Battery Replace the battery. See “Replacing the
battery” on page 66.
162 A change in the device
configuration occurred
Go to “Starting and using the IBM
Setup Utility program” on page 27,and
follow the instructions to load the
Default Settings.
If the problem persists, have the
computer serviced.
163 Clock not updating Go to “Starting and using the IBM
Setup Utility program” on page 27,and
follow the instructions to reset the time
and date.
If the problem persists, have the
computer serviced.
164 CMOS RAM memory size does not
match
This is expected if you have removed
memory. Otherwise,
Go to “Running the IBM Enhanced
Diagnostics program” on page 66 for
instructions on running memory
diagnostics.
301 Keyboard error 1. Makesure thekeyboardisproperly
connected.
2. If thekeyboard is properly
connected, have the computer
serviced.