SYMPTOM-TO-FRU INDEX
Symptom / Error
FRU / Action in Sequence
110
(Planar parity.)
1. Go to “Memory
Checkout” on
page 33.
2. DIMM card
3. Detach the expansion
unit if it is attached to
the computer.
4. System board
111
(I/O parity.)
1. Go to “Memory
Checkout” on
page 33.
2. Expansion unit or port
replicator
3. System board
11XX
1101: Serial_A test failure.
1. Serial device
2. Communication cable
3. System board
12XX
1201: Serial_B test failure.
1. System board
(infrared)
158
(The hard disk password
was not set even though the
supervisor password is set.)
Set the password for the
hard disk drive.
159
(The hard disk password is
not set the same as the
supervisor password.)
Set the correct password
for the hard disk drive.
161
(Dead battery.)
1. Go to “Checking the
Backup Battery” on
page 38.
2. Backup battery
3. System board
163
(Time and date were not
set.)
1. Set time and date.
2. System board
173
(Configuration data was
lost.)
1. Select OK in the error
screen; then set the
time and date.
2. Backup battery
3. System board
174
(Configuration error:
Perform“Checking the
Installed Devices List” on
page 43 before changing
any FRUs.)
1. Check device
configuration.
2. Hard disk drive
assembly
3. System board
175, 177, 178
175: EEPROM CRC
#1 error.
177: Supervisor
password check sum
error.
178: EEPROM is not
functional.
1. System board
ThinkPad 770, 770E, 770X and 770Z
53
Summary of Contents for ThinkPad 770E
Page 80: ...FRU REMOVALS AND REPLACEMENTS 74...
Page 102: ...FRU REMOVALS AND REPLACEMENTS Locate the microphone spacer and cable 96...
Page 111: ...FRU REMOVALS AND REPLACEMENTS ThinkPad 770 770E 770X and 770Z 105...
Page 123: ...PARTS LIST Parts List ThinkPad 770 770E 770X and 770Z 117...
Page 136: ...IBM Part Number 37L5152 Printed in U S A S1 L 9621 2...
