Lenovo 3000 N500 - Manual (Page 45)

Table 1. Numeric error codes (continued)
Symptom or error FRU or action, in sequence
0232
Extended
RAM error— Extended RAM fails
at offset nnnn.
1. DIMM.
2. System board.
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
configuration 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 Utility to reset the time and date.
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 Utility to 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 Utility to reset the time and date.
3. System board.
0280
Previous
boot incomplete— Default
configuration used.
1. Load “Setup Default” in BIOS Setup
Utility.
2. DIMM.
3. 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.
02F7
Fail-safe
timer NMI failed
1. DIMM.
2. System board.
Related service information 37