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Symptom
or
error
FRU
or
action,
in
sequence
0250
System
battery
error—System
battery
is
dead.
Replace
the
backup
battery
and
run
IBM
BIOS
Setup
Utility
to
reset
the
time
and
date
.
0251
System
CMOS
checksum
bad—Default
configuration
used.
Replace
the
backup
battery
and
run
IBM
BIOS
Setup
Utility
to
reset
the
time
and
date
.
0252
Password
checksum
bad—The
password
is
cleared.
Reset
the
password
by
running
IBM
BIOS
Setup
Utility.
0260
System
timer
error
1.
Replace
the
backup
battery
and
run
IBM
BIOS
Setup
Utility
to
reset
the
time
and
date
.
2.
System
board.
0270
Real
time
clock
error
1.
Replace
the
backup
battery
and
run
IBM
BIOS
Setup
Utility
to
reset
the
time
and
date
.
2.
System
board.
0271
Date
and
time
error—Neither
the
date
nor
the
time
is
set
in
the
computer.
Run
IBM
BIOS
Setup
Utility
to
reset
the
time
and
date
.
0280
Previous
boot
incomplete—Default
configuration
used.
1.
Load
“Setup
Default”
in
IBM
BIOS
Setup
Utility
.
2.
DIMM.
3.
System
board.
02B2
Incorrect
drive
A
type
1.
Diskette
drive
.
2.
External
FDD
cable.
3.
I/O
card.
02F4
EISA
CMOS
not
writable
1.
Load
Setup
Defaults
in
IBM
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.
1801
Attached
docking
station
is
not
supported
Shut
down
the
computer
and
remove
it
from
the
docking
station.
1802
Unauthorized
network
card
is
plugged
in—Power
off
and
remove
the
miniPCI
network
card.
1.
Remove
Mini
PCI
network
card.
2.
System
board.
Symptom-to-FRU
index
ThinkPad
R40
55
Summary of Contents for ThinkPad R40 2681
Page 6: ...2 ThinkPad R40...
Page 88: ...3 Removing and replacing a FRU 84 ThinkPad R40...
Page 93: ...Modem daughter card MDC 3 4 5 continued Removing and replacing a FRU ThinkPad R40 89...
Page 105: ...7 7 Removing and replacing a FRU ThinkPad R40 101...
Page 132: ...5 6 7 8 10 11 12 13 14 9 1 2 3 4 15 16 Locations 128 ThinkPad R40...
Page 165: ...LCD FRUs 1 2 3 4 5 Parts list ThinkPad R40 161...
Page 183: ...Notices ThinkPad R40 179...
Page 184: ...Part Number 13N6183 Printed in Korea 1P P N 13N6183...