Symptom/Error
FRU/Action in Sequence
0230
Shadow RAM
Failed at
offset:nnnn
1. BIOS ROM
2. Planar board
0231
System RAM
Failed at
offset:nnnn
1. DIMM
2. Planar board
0232
Extended
RAM Failed
at offset:nnnn
1. DIMM
2. Planar board
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. Planar board
0270
Real time
clock error
1. Backtup battery (RTC)
2. Run BIOS Setup Utility to reconfigure
the system, then reboot the system.
3. Planar board
0280
Previous boot
incomplete —
Default con-
figuration
used
1. Load Setup Defaults in the BIOS
Setup Utility.
2. Backup battery (RTC)
3. Planar board
0281
Memory size
found by
POST dif-
fered from
CMOS
1. Load Setup Defaults in the BIOS
Setup Utility.
2. DIMM
3. Planar 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 25.
ThinkPad 390/i Series 1700
35