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Symptom or error
0220
Monitor type error—Monitor
type does not match the one
specified in CMOS.
0230
Shadow RAM error—Shadow
RAM fails at offset nnnn.
0231
System RAM error—System
RAM fails at offset nnnn.
0232
Extended RAM error—
Extended RAM fails at offset
nnnn.
0250
System battery error—System
battery is dead.
0251
System CMOS checksum
bad— Default configuration
used.
0252
Password checksum bad—The
password is cleared.
0260
System timer error.
0270
Real-time clock error.
0271
Date and time error—Neither
the date nor the time is set in
the computer.
0280
Previous boot incomplete—
Default configuration used.
02F5
DMA test failed.
02F6
Software NMI failed
02F7
Fail-safe timer NMI failed
1802
Unauthorized network card is
plugged in—Turn off and
remove the miniPCI network
card.
FRU or action, in sequence
Load Setup Defaults in BIOS
Setup Utility.
System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
Replace the backup battery
and run BIOS Setup Utility to
reset the time and date.
Replace the backup battery
and run BIOS Setup Utility to
reset the time and date.
Reset the password by
running BIOS Setup Utility.
1. Replace the backup
2. System board.
1. Replace the backup
2. System board.
Run BIOS Setup Utility to
reset the time and date.
1. Load "Setup Default" in
2. DIMM.
3. System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
1. DIMM.
2. System board.
1. Remove Mini PCI network
2. System board.
ThinkPad R50e and R52 Series
Symptom-to-FRU index
battery and run BIOS
Setup Utility to reset the
time and date.
battery and run BIOS
Setup Utility to reset the
time and date.
BIOS Setup Utility.
card.
61
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