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Table 2. Numeric error codes (continued)
Symptom or error
FRU or action, in sequence
0250
System battery error—System battery is dead.
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.
0251
System CMOS checksum bad— Default conguration
used.
1. Charge the backup battery for more than 8 hours
by connecting the ac adapter.
2. Replace the backup battery and run BIOS Setup
Utilityto reset the time and date.
0252
Password checksum bad—The password is cleared.
Reset the password by running BIOS Setup Utility.
0260
System timer error.
1. Charge the backup battery for more than 8 hours
by connecting the ac adapter.
2. Replace the backup battery and run BIOS Setup
Utilityto reset the time and date.
3. System board.
0270
Real-time clock error.
1. Charge the backup battery for more than 8 hours
by connecting the ac adapter.
2. Replace the backup battery and run BIOS Setup
Utilityto reset the time and date.
3. System board.
0271
Date and time error—Neither the date nor the time is set
in the computer.
Run BIOS Setup Utility to reset the time and date.
0280
Previous boot incomplete— Default conguration used.
1. Load “Setup Default” in BIOS Setup Utility.
2. DIMM.
3. System board.
02B2
Incorrect drive A type.
1. Diskette drive.
2. External FDD cable.
3. I/O card.
02D0
System cache error.
02F0
CPU ID:xx Failed.
1. CPU.
2. System board.
02F4
EISA CMOS not writable.
1. Load Setup Defaults in BIOS Setup Utility.
2. Replace the backup battery.
3. System board.
02F5
DMA test failed.
1. DIMM.
2. System board.
02F6
Software NMI failed
1. DIMM.
2. System board.
Chapter 4. Related service information 53