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Symptom/Error FRU/Action in Sequence
0250
System
battery is
dead —
Replace and
run SETUP
Replace backup battery (RTC) and run
BIOS Setup Utility to reconfigure the
system time, then reboot the system.
0251
System
CMOS
checksum
bad —
Default con-
figuration
used
1. Backup battery (RTC)
2. Run BIOS Setup Utility to reconfigure
the system, then reboot the system.
0260
System timer
error
1. Backtup battery (RTC)
2. Run BIOS Setup Utility to reconfigure
the system, then reboot the system.
3. System board
0270
Real time
clock error
1. Backtup battery (RTC)
2. Run BIOS Setup Utility to reconfigure
the system, then reboot the system.
3. System board
0280
Previous boot
incomplete —
Default con-
figuration
used
1. Load Setup Defaults in the BIOS
Setup Utility.
2. Backup battery (RTC)
3. System board
0281
Memory size
found by
POST dif-
fered from
CMOS
1. Load Setup Defaults in the BIOS
Setup Utility.
2. DIMM
3. System board
02B0
Diskette drive
A error
1. Check that the drive is defined with
the proper diskette type in BIOS
Setup Utility.
2. Go to “Diskette Drive Checkout” on
page 28.
02B2
Incorrect
Drive A type
— run
SETUP
1. Check that the drive is defined with
the proper diskette type in BIOS
Setup Utility.
2. Go to “Diskette Drive Checkout” on
page 28.
02D0
System
cache error
— Cache dis-
abled
1. CPU card
2. System board
02F0
CPU ID:
1. CPU card
2. System board
ThinkPad 390E 41