Lenovo THINKPAD E40 Hardware Maintenance Manual page 72

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ThinkPad Edge 14", Edge 15", E40, and E50 Hardware Maintenance Manual
Table 2. Numeric error codes (continued)
Symptom or error (beeps, if any)
0211
Keyboard error
(two short beeps)
0230
Shadow RAM error—Shadow RAM fails at
offset nnnn.
(two short beeps)
0231
System RAM error—System RAM fails at
offset nnnn.
(two short beeps)
0232
Extended RAM error— Extended RAM fails
at offset nnnn.
(two short beeps)
0250
System battery error—System battery is
dead.
(two short beeps)
0251
System CMOS checksum bad— Default
configuration used.
(two short beeps)
0254
System NV7 Volume checksum bad- Default
configuration used
(two short beeps)
0260
System timer error.
(two short beeps)
0270
Real-time clock error.
(two short beeps)
0271
Date and time error—Neither the date nor
the time is set in the computer.
(two short beeps)
0280
Previous boot incomplete— Default
configuration used.
(two short beeps)
02D0
System cache error.
(two short beeps)
FRU or action, in sequence
Run interactive tests of the keyboard and
the auxiliary input device.
System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
1. Charge the backup battery for more
than 8 hours by connecting the ac
adapter.
2. Replace the backup battery and run BIOS
Setup Utility to reset the time and date.
1. Charge the backup battery for more
than 8 hours by connecting the ac
adapter.
2. Replace the backup battery and run BIOS
Setup Utility to reset the time and date.
Turn off the computer and discharge
CMOS. Then restart the computer.
1. Charge the backup battery for more
than 8 hours by connecting the ac
adapter.
2. Replace the backup battery and run BIOS
Setup Utility to reset the time and date.
3. System board.
1. Charge the backup battery for more
than 8 hours by connecting the ac
adapter.
2. Replace the backup battery and run BIOS
Setup Utility to reset the time and date.
3. System board.
Run BIOS Setup Utility to reset the time
and date.
1. Load "Setup Default" in BIOS Setup
Utility.
2. DIMM.
3. System board.
1. CPU.
2. System board.