IBM ThinkPad R30 Hardware Maintenance Manual page 46

Error Message
Code
0220 Monitor type does
not match CMOS
Run SETUP
0230 Shadow RAM
failed at offset :
nnnn
0231 System RAM
failed at offset :
nnnn
0232 Extended RAM
Failed at offset :
nnnn
0250 System battery is
dead Replace and
run SETUP
0251 System CMOS
checksum
bad-default
configuration
*0260 System timer error The timer test
0270 Real time clock
error
40
ThinkPad R30 and R31 HMM
Meanings
Monitor type not
correctly identified
is Setup.
Shadow RAM failed
at offset nnnn of
the 64k block at
which the error was
detected.
System RAM failed
at offset nnnn of in
the 64k block at
which the error was
detected.
Extended memory
not working or not
configured properly
at offset nnnn,
The CMOS clock
battery indicator
shows the battery
is dead. Replace
the battery and run
Setup to
reconfigure the
system.
System CMOS has
been corrupted or
modified incorrectly,
perhaps by an
application program
that changes data
stored in CMOS.
The BIOS installed
Default Setup
Values. If you do
not want these
values, enter Setup
and enter your own
values. If the error
persists, check the
system battery or
contact your dealer.
failed. Requires
repair of system
board.
Real-Time Clock
fails BIOS
hardware test. May
require board
repair.
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