Lenovo ThinkCentre M50 Hardware Maintenance Manual (HMM) - Page 99

Post/bios

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POST Error Code 111 I/O channel parity error 114 Adapter ROM error 129 Internal cache test error 135 Fan failure 151 System board failure 161 Bad CMOS battery 162 Configuration mismatch 163 Date and Time Incorrect 164 Memory Size Error 166 Boot Block Check Sum Error FRU/Action 1. Reseat adapters 2. Any adapter 3. Riser card 4. System Board 1. Adapter Memory 2. System Board 3. Riser card 1. Processor 2. L2 Cache Memory 3. System Board 1. Fan 2. System board System Board 1. Run Setup 2. CMOS Backup Battery. Go to "Replacing the battery (all machine types)" on page 56 3. System Board 1. Run Setup and verify Configuration 2. Had a device been added, removed, changed location? If not, suspect that device. 3. Power-on external devices first, then power-on computer 4. CMOS Backup Battery. Go to "Replacing the battery (all machine types)" on page 56 5. System Board 1. Time and Date Set 2. CMOS Backup Battery. Go to "Replacing the battery (all machine types)" on page 56 3. System Board 1. Run Setup. Check System Summary menu for memory size change. (See Chapter 5, "IBM Setup Utility program," on page 19.) 2. Run the Extended Memory Diagnostic tests 1. Run Flash Recovery using Boot Block. See "Recovering from a POST/BIOS update failure" on page 114. 2. System Board Chapter 7. Symptom-to-FRU Index 93

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POST
Error
Code
FRU/Action
111
I/O
channel
parity
error
1.
Reseat
adapters
2.
Any
adapter
3.
Riser
card
4.
System
Board
114
Adapter
ROM
error
1.
Adapter
Memory
2.
System
Board
3.
Riser
card
129
Internal
cache
test
error
1.
Processor
2.
L2
Cache
Memory
3.
System
Board
135
Fan
failure
1.
Fan
2.
System
board
151
System
board
failure
System
Board
161
Bad
CMOS
battery
1.
Run
Setup
2.
CMOS
Backup
Battery.
Go
to
“Replacing
the
battery
(all
machine
types)”
on
page
56
3.
System
Board
162
Configuration
mismatch
1.
Run
Setup
and
verify
Configuration
2.
Had
a
device
been
added,
removed,
changed
location?
If
not,
suspect
that
device.
3.
Power-on
external
devices
first,
then
power-on
computer
4.
CMOS
Backup
Battery.
Go
to
“Replacing
the
battery
(all
machine
types)”
on
page
56
5.
System
Board
163
Date
and
Time
Incorrect
1.
Time
and
Date
Set
2.
CMOS
Backup
Battery.
Go
to
“Replacing
the
battery
(all
machine
types)”
on
page
56
3.
System
Board
164
Memory
Size
Error
1.
Run
Setup.
Check
System
Summary
menu
for
memory
size
change.
(See
Chapter
5,
“IBM
Setup
Utility
program,”
on
page
19.)
2.
Run
the
Extended
Memory
Diagnostic
tests
166
Boot
Block
Check
Sum
Error
1.
Run
Flash
Recovery
using
Boot
Block.
See
“Recovering
from
a
POST/BIOS
update
failure”
on
page
114.
2.
System
Board
Chapter
7.
Symptom-to-FRU
Index
93