IBM 6862 - PC 300 PL, User Manual

Page: 126 / 208

POST message charts
The computer might display more than one error message. Often, the first error to
occur causes subsequent errors. When using the POST message charts in this
section, always begin by following the suggested action for the first error message
that appears on your computer screen. Note that, in these charts, “X” can be any
alphanumeric character.
Important
If you find it necessary to remove the computer cover, first read "Removing the
Cover" in Installing Options in Your Personal Computer for important safety
information and instructions.
POST Message Description
101
102
106 A failure occurred during testing of the system board and microprocessor.
Action: Have the computer serviced.
110
111 A memory parity failure occurred during testing of the system board.
Action: Run the diagnostic programs to verify that a problem exists in a
DIMM. See “Diagnostic programs” on page 136.
If you cannot identify the defective DIMM in this way, have the computer
serviced.
114 An adapter read-only memory (ROM) error occurred.
Action:
Remove all adapters that are not required for system startup and
reinstall them one at a time, retesting after each is reinstalled. When an
adapter fails, replace it.
If the problem cannot be isolated and corrected, have the computer
serviced.
151 A real-time clock (RTC) error occurred.
Action:
Have the computer serviced.
161 The battery on the system board is dead.
CAUTION:
Danger of explosion if lithium battery is incorrectly replaced.
Replace the battery with the same or equivalent type recommended by
the manufacturer. Dispose of batteries as required by local ordinances or
regulations. (See “Lithium battery notice” on page xi and “Replacing the
battery” on page 101 for important information on battery use, disposal,
and replacement.)
Action: Replace the battery.
Note: The computer can be used until you replace the battery.
108
Using Your Personal Computer